wp code utils

wp-code-utils.php

<?php
************ Debug, Debuging  ************
//Activate log files in wp-config.php
define( 'WP_DEBUG', true ); // Enabling WP_DEBUG will cause all PHP errors, notices and warnings to be displayed.
define( 'WP_DEBUG_LOG', true ); // Enable Debug logging to the /wp-content/debug.log file
define( 'WP_DEBUG_DISPLAY', true ); // Controls whether debug messages are shown inside the HTML of pages or not.

// use this
define( 'WP_DEBUG', true );
define( 'WP_DEBUG_LOG', true ); 
define( 'WP_DEBUG_DISPLAY', false );

define( 'SMTP_DEBUG',   0 );   


// Disable Cron
define('DISABLE_WP_CRON', true);

//Return a comma-separated string of functions that have been called to get to the current point in code.
var_dump(	wp_debug_backtrace_summary()); 

// Increase memory limit
define('WP_MEMORY_LIMIT', '128M');


// Increase Maximum Upload File Size in WordPress
https://help.servmask.com/2018/10/27/how-to-increase-maximum-upload-file-size-in-wordpress/
// 1. Update .htaccess file
php_value upload_max_filesize 128
php_value post_max_size 128
php_value memory_limit 256
php_value max_execution_time 300
php_value max_input_time 300

// 2. Update wp-config.php file
@ini_set( 'upload_max_filesize' , '128M' );
@ini_set( 'post_max_size', '128M');
@ini_set( 'memory_limit', '256M' );
@ini_set( 'max_execution_time', '300' );
@ini_set( 'max_input_time', '300' );


Connect external file to WP
//Include the wp-load.php file
include('wp-load.php');

// Example to find path in external file
$parse_uri = explode( 'wp-content', $_SERVER['SCRIPT_FILENAME'] );
require_once( $parse_uri[0] . 'wp-load.php' );


// example
define("WP_ROOT", __DIR__);
define("DS", DIRECTORY_SEPARATOR);
echo WP_ROOT;

// Optional, adding the WP blog header which will include the wordpress head in the file
require('wp-blog-header.php');

// check if file connected, wp version
echo $wp_version;



WordPress Error class. - https://developer.wordpress.org/reference/classes/wp_error/
get_error_message();
get_error_code();



Cod pentru dezactivarea formatarii automate a codului html in redactor text.
// functions.php;
// De inclus la final de cod
remove_filter('the_content' , 'wpauto');
remove_filter('the_excerpt' , 'wpauto');
remove_filter('comment_text', 'wpauto');



Hook pentru a citi variabilele din admin
function dwwp(){
	global $wp_admin_bar;

	echo "<pre>";
	// var_dump($wp_admin_bar);
	print_r($wp_admin_bar);
	echo "</pre>";
}

add_action('wp_before_admin_bar_render', 'dwwp');



//-------------- debug --------------//
// will load jQuery Migrate in debug mode, and output stack traces in your JavaScript developer console.
define( 'SCRIPT_DEBUG', true );





https://developer.wordpress.org/reference/functions/wp_mail/


// Function for send mails
wp_mail( string|array $to, string $subject, string $message, string|array $headers = '', string|array $attachments = array() )


add_action('phpmailer_init','send_smtp_email');
function send_smtp_email( $mail ) {
    // Define that we are sending with SMTP
	$mail->IsSMTP();
	$mail->CharSet = 'UTF-8';
	$mail->Host = 'mail.servername.com';
	$mail->Port = '587';//'465';
	$mail->SMTPAuth = true;//true;
	$mail->Username = "";
	$mail->Password = "";
	$mail->SMTPSecure = "tls";
	$mail->IsHTML(true);
}


// Send HTML Content
function claim_location_send_mail(){
	global $post;
	
	function wpdocs_set_html_mail_content_type() {
    return 'text/html';
	}
	add_filter( 'wp_mail_content_type', 'wpdocs_set_html_mail_content_type' );
	
	$to      = get_option('admin_email');
	$subject = 'Claim location notification';
	$body    = 'User Claim Location Event: <a href=' . get_permalink( $post->ID ) . '>' . $post->post_title . '</a>';
	
	wp_mail( $to, $subject, $body );
 
	// Reset content-type to avoid conflicts -- https://core.trac.wordpress.org/ticket/23578
	remove_filter( 'wp_mail_content_type', 'wpdocs_set_html_mail_content_type' );
}

// Setup SMTP 
add_action('phpmailer_init','send_smtp_email');
function send_smtp_email( $phpmailer )
{
    // Define that we are sending with SMTP
    $phpmailer->isSMTP();
 
    // The hostname of the mail server
    $phpmailer->Host = "your server smtp address";
 
    // Use SMTP authentication (true|false)
    $phpmailer->SMTPAuth = true;
 
    // SMTP port number - likely to be 25, 465 or 587
    $phpmailer->Port = "587";
 
    // Username to use for SMTP authentication
    $phpmailer->Username = "user name";
 
    // Password to use for SMTP authentication
    $phpmailer->Password = "password";
 
    // The encryption system to use - ssl (deprecated) or tls
    $phpmailer->SMTPSecure = "tls";
 
    $phpmailer->From = "Mail account";
    $phpmailer->FromName = "Name account";
}

// example of a basic error logging:
add_action('wp_mail_failed', 'log_mailer_errors', 10, 1);
function log_mailer_errors( $wp_error ){
  $fn = $_SERVER['DOCUMENT_ROOT'] . '/mail.log'; // say you've got a mail.log file in your server root
  $fp = fopen($fn, 'a');
  fputs($fp, "Mailer Error: " . $wp_error->get_error_message() ."\n");
  fclose($fp);
}

// put this in functions.php
// define the wp_mail_failed callback 
function action_wp_mail_failed($wp_error) 
{
    return error_log(print_r($wp_error, true));
}
          
// add the action 
add_action('wp_mail_failed', 'action_wp_mail_failed', 10, 1);

// send HTML mail, change mail headers
https://wordpress.stackexchange.com/questions/27856/is-there-a-way-to-send-html-formatted-emails-with-wordpress-wp-mail-function
$headers = array('Content-Type: text/html; charset=UTF-8');
wp_mail( $to, $subject, $body, $headers );

//-------------- Header Social OG setup  --------------//
// Codes and plugin
https://premium.wpmudev.org/blog/wordpress-open-graph/
// Description
https://www.addthis.com/academy/open-graph-tags-in-wordpress/




//-------------- Comments --------------//
// Dissable comments feature
// First, this will disable support for comments and trackbacks in post types
function df_disable_comments_post_types_support() {
   $post_types = get_post_types();
   foreach ($post_types as $post_type) {
      if(post_type_supports($post_type, 'comments')) {
         remove_post_type_support($post_type, 'comments');
         remove_post_type_support($post_type, 'trackbacks');
      }
   }
}
add_action('admin_init', 'df_disable_comments_post_types_support');

// Then close any comments open comments on the front-end just in case
function df_disable_comments_status() {
   return false;
}
add_filter('comments_open', 'df_disable_comments_status', 20, 2);
add_filter('pings_open', 'df_disable_comments_status', 20, 2);

// Finally, hide any existing comments that are on the site. 
function df_disable_comments_hide_existing_comments($comments) {
   $comments = array();
   return $comments;
}
add_filter('comments_array', 'df_disable_comments_hide_existing_comments', 10, 2);



//-------------- AJAX --------------//
https://wp-kama.ru/id_2018/ajax-v-wordpress.html
https://codex.wordpress.org/AJAX

// Needed hooks
add_action('wp_ajax_(action)', 'my_action_callback');
add_action('wp_ajax_nopriv_(action)', 'my_action_callback'); // for unregistered users

// Recommended way
if( wp_doing_ajax() ){
	add_action('wp_ajax_(action)', 'my_action_callback');
	add_action('wp_ajax_nopriv_(action)', 'my_action_callback'); // for unregistered users	
}


// For include JS script with defined variable AJAX Path
wp_localize_script( $handle, $object_name, $l10n );

https://wp-kama.ru/id_2018/ajax-v-wordpress.html
add_action( 'wp_enqueue_scripts', 'myajax_data', 99 );
function myajax_data(){

	// Первый параметр 'twentyfifteen-script' означает, что код будет прикреплен к скрипту с ID 'twentyfifteen-script'
	// 'twentyfifteen-script' должен быть добавлен в очередь на вывод, иначе WP не поймет куда вставлять код локализации
	// Заметка: обычно этот код нужно добавлять в functions.php в том месте где подключаются скрипты, после указанного скрипта
	wp_localize_script( 'twentyfifteen-script', 'myajax', 
		array(
			'url' => admin_url('admin-ajax.php')
		)
	);  

}

// example 
// --- Front Part --- //
add_action('wp_ajax_front', 'front_action_call');
add_action('wp_ajax_nopriv_front', 'front_action_call'); // for unregistered users
function front_action_call(){
  echo 'S-a primit';
  wp_die();
}


add_action( 'wp_enqueue_scripts', 'myajax_data', 99 );
function myajax_data(){

	wp_localize_script( 'jquery', 'myajax', 
		array(
			'url' => admin_url('admin-ajax.php')
		)
	);  

}


add_action('wp_footer', 'front_action_javascript', 99);
function front_action_javascript() {
	?>
	<script>
	jQuery(document).ready(function($) {
		var data = {
			action: 'front'
			// whatever: 1234
		};

		jQuery.post( myajax, data, function(response) {
      console.log('Server Response from Front Page: ' + response)
		});
	});
	</script>
<?php }

// AJAX debug, ajax security
// Connect function to view AJAX errors,
if( WP_DEBUG && WP_DEBUG_DISPLAY && (defined('DOING_AJAX') && DOING_AJAX) ){
	@ ini_set( 'display_errors', 1 );
}
// Error log file
error_log( print_r($myvar, true) );




//-------------- Widget --------------//
//Widget, display post by ID

class Show_Contacts extends WP_Widget{
	
	//setup the widget name, description, etc...
	public function __construct(){

		 $widget_ops = array(
		 	'classname' => 'show_contacts_widget', 
		 	'description' => 'Show Contacts Widget', 
		 );

		 parent::__construct( 'show_contacts', 'Show Contacts', $widget_ops );
	}

	function widget( $args, $instance ) {
		// Widget output
				 // echo "Widget plugin";
		
		$post = get_post(372);
		print_r($post);
		// echo $post[post_title];
		echo $post->post_title;
		echo $post->post_type;
		echo $post->post_content;
	}
}


add_action( 'widgets_init', function(){
	register_widget( 'Show_Contacts' );
});





//-------------- Add setting option in "Settings General" panel --------------//


//******* Plugins *******// 

//CF7, contact form 7
// [contact-form-7 id="1135" title="Contact form 1" html_class="form-inline"] add class name (html_class="form-inline")

// Disable Auto <p> tag and others https://contactform7.com/controlling-behavior-by-setting-constants/
// add_filter( 'wpcf7_autop_or_not', '__return_false' ); also disable tag p
// .wpcf7 general class tu apply for custom elements

// CF 7 Settigns
define('WPCF7_AUTOP', false);

// If CF7 shortoce dosn't work in widgets
add_filter( 'widget_text', 'wpcf7_widget_text_filter', 9 );
function wpcf7_widget_text_filter( $content ) {
	$pattern = '/\[[\r\n\t ]*contact-form(-7)?[\r\n\t ].*?\]/';

	if ( ! preg_match( $pattern, $content ) ) {
		return $content;
	}

	$content = do_shortcode( $content );

	return $content;
}

// stop spam filtering
add_filter('wpcf7_spam', function() { return false; });

// get form ID
// this solution
$wpcf7 = WPCF7_ContactForm::get_current();
$form_id = $wpcf7->id;

// or this, works both
$form_id = $_POST['_wpcf7'];


// Problem with pipes
https://wordpress.org/support/topic/contact-form-7-pipes-not-working-3/
<script>
$(document).ready(function()
{		
	//Change form with pipes class text & values
	$('.wpcf7-pipes .wpcf7-form .wpcf7-select option').each(function(index,element) {
		//split element text by "|" divider
		var data = element.text.split('|');
		
		//replace text and value of option
		$(this).val(data[0]);
		$(this).text(data[1]);
	});
});
</script>


// CF7 DOM events 
https://contactform7.com/dom-events/
document.addEventListener( 'wpcf7submit', function( event ) {
  console.log(event.detail.contactFormId);
}, false );


// CF7 check for existing emails, check existing emails
add_filter('wpcf7_validate', 'email_already_in_db', 10, 2);

function email_already_in_db($result, $tags)
{
	// retrieve the posted email
	$form = WPCF7_Submission::get_instance();
	$email = $form->get_posted_data('your-email');

	global $wpdb;
	$table_name = $wpdb->prefix . 'contactic_submits';
	$result_search_query = $wpdb->query(" SELECT * FROM " . $table_name . " WHERE field_value LIKE '{$email}'");

	if ($result_search_query != 0) {
		$result->invalidate('your-email', __('Your email exists in our database', 'starcard'));
	}

	return $result;
}

// cf7 popup
// https://stackoverflow.com/questions/50406269/how-to-open-a-popup-after-the-contact-form-7-succesfully-submitted
add_action('wpcf7_mail_sent', function () {
	// Run code after the email has been sent
	$wpcf = WPCF7_ContactForm::get_current();
	$wpccfid=$wpcf->id;
	// if you wanna check the ID of the Form $wpcf->id
	if ( '34' == $wpccfid ) { // Change 123 to the ID of the form
		echo '
 <div class="modal fade in formids" id="myModal2" role="dialog" style="display:block;" tabindex="-1">
    <div class="modal-dialog">

      <!-- Modal content-->
      <div class="modal-content no_pad text-center">
         <button type="button" class="close" data-dismiss="modal">&times;</button>
        <div class="modal-header heading">
          <h3 class="modal-title">Message Sent!</b></h3>
        </div>
        <div class="modal-body">

            <div class="thanku_outer define_float text-center">
                <h3>Thank you for getting in touch!</h3>
            </div>
        </div>
        <div class="modal-footer">
        </div>
      </div>

    </div>
    </div>
';
	}
});


// debug cf7
https://stackoverflow.com/questions/60361457/trying-to-get-contact-form-7-post-data-to-debug-to-screen
// save data in log file
add_action( 'wpcf7_before_send_mail', 'my_process_cf7_form_data' );
function my_process_cf7_form_data() {

    $submission = WPCF7_Submission::get_instance();
        if ( $submission ) {
            $posted_data = $submission->get_posted_data();    
    }

    ob_start();
    var_dump($posted_data);
    error_log(ob_get_clean());
}


// Additional Settings
// https://contactform7.com/additional-settings/
skip_mail: on
demo_mode: on


// Js code for popup messages
// CF7 custom code
document.addEventListener( 'wpcf7mailsent', function( event ) {
	// console.log(event.detail.contactFormId);
	// let fstatus = event.detail.apiResponse.status;
	let fmessage = event.detail.apiResponse.message;

	$('#cf7_Message_Modal').modal(focus);
	$('#cf7_Message_Modal_text').text(fmessage);
})


// take cf7 text response, contact form 7 text response, validation statuses
document.addEventListener( 'wpcf7submit', function( event ) {
	// console.log(event.detail.contactFormId);
	// console.log(event.detail.apiResponse.status);
	// console.log(event.detail.apiResponse.message);

	let fstatus = event.detail.apiResponse.status;
	let fmessage = event.detail.apiResponse.message;
	
	// error type messages
	if ((fstatus === 'validation_failed' || fstatus === 'acceptance_missing' ||
		fstatus === 'spam' || fstatus === 'aborted' || fstatus === 'mail_failed')) {
			// console.log(fstatus);
			// console.log(fmessage);
			$('#cf7_Message_Modal').modal(focus);
			$('#cf7_Message_Modal_text').text(fmessage);
	}
})


// disable configuration validator:
define( 'WPCF7_VALIDATE_CONFIGURATION', false );
add_filter( 'wpcf7_validate_configuration', '__return_false' );

// disable spam filter
add_filter('wpcf7_spam', function() { return false; });

// disable some CF7 filters
// http://hookr.io/plugins/contact-form-7/4.7/hooks/#index=l
remove_filter( 'wpcf7_validate', 'filter_wpcf7_validate', 10, 2 );
remove_filter( 'wpcf7_validate_configuration', 'filter_wpcf7_validate_configuration', 10, 1 );
remove_filter( 'wpcf7_spam', 'filter_wpcf7_spam', 10, 1 );


//*** ACF ***// 
// get field values quantity
count(get_field('field_name'));

// ACF Maps problem in Dasboard
https://support.advancedcustomfields.com/forums/topic/google-map-not-displaying-on-wp-backend/





//-------------- Localization --------------//
//qTranslate
//Detect page language
//https://qtranslatexteam.wordpress.com/interface/
qtranxf_getLanguage();
qtranxf_getLanguageName();


/* Disable Theme Editor */
function remove_editor_menu() {
    remove_action('admin_menu', '_add_themes_utility_last', 101);
}
add_action('_admin_menu', 'remove_editor_menu', 1);



// My Codes
// Filter wordpress query by checkboxes, select post type by checkbox
if($checkboxone == '1') { 
	$types = array( 'typeone' )
}
if($checkboxtwo == '1') {
	$types = array( 'typetwo' )
}
if($checkboxtwo == '1' && $checkboxone == '1'){
	$types = array( 'typeone', 'typetwo' )
}

// The Query
$the_query = new WP_Query( array( 'post_type' => $types );

// The Loop
while ( $the_query->have_posts() ) : $the_query->the_post();
    //DO STUFF
endwhile;

// Reset Post Data
wp_reset_postdata();



/**
 * Display the Most Recent Post in Each Category
 **
//https://code.tutsplus.com/tutorials/display-the-most-recent-post-in-each-category--cms-22677
// Trebuie de scris codul de la garantie.md


//How to Display Random Posts from Different Categories using WP_Query
?>

/**
 * Show Thumbnails
 **
<?php if( has_post_thumbnail()) : ?>
	<a href="<?php the_permalink(); ?>"><?php the_post_thumbnail('thumbnail', array( 'class' => 'img-responsive'));?></a>
<?php endif; ?>
?>



/*
* Contact Form 7 Custom Form Tag for get current URL
*/
site https://contactform7.com/2015/01/10/adding-a-custom-form-tag/
site https://wordpress.stackexchange.com/questions/291855/how-to-get-current-url-in-contact-form-7

wpcf7_add_form_tag('pageurl', 'wpcf7_sourceurl_shortcode_handler', true);
	function wpcf7_sourceurl_shortcode_handler($tag) {
		if (!is_object($tag)) return '';
		$name = $tag->name;
		if (empty($name)) return '';
		$html = '<input type="hidden" name="' . $name . '" value="http://' . $_SERVER["SERVER_NAME"].$_SERVER["REQUEST_URI"] . '" />';
		return $html;
}
// put this [pageurl url] in CF7 form editor


// Java script CF7 form, select page after submit
<script>
    jQuery(document).ready(function() {
        document.addEventListener( 'wpcf7submit', function( event ) {
            inputs = event.detail.inputs;
            inputs.forEach( function(el) {
                if ( el.name == 'tip-persoana' ) {
                    if ( el.value == 'Persoană Fizică' || el.value == 'Физическое лицо' || el.value == 'Individual' ) {
                        location.href = '<?= home_url() ?>/thank-you-fizica/';
                    } else if ( el.value == 'Persoană Juridică' || el.value == 'Юридическое лицо' || el.value == 'Entity' ) {
                        location.href = '<?= home_url() ?>/thank-you-juridica/';
                    }
                }
            });
        }, false );
    });
</script>


// CF7 detect if page sxcripts are loaded and read values
<script type="text/javascript">
window.addEventListener("load", function(event) {

 $j(".wpcf7-submit").click(function(){
   var post_title_cf7 = $j(".entry-title").text();
   $j("#hidden-post-name-input").val(post_title_cf7);
 });

});
</script>


// Excerpt from Advanced Custom Field, ACF
//Add this code in your functions.php
function advanced_custom_field_excerpt() {
	global $post;
	$text = get_field('your_field_name');
	if ( '' != $text ) {
		$text = strip_shortcodes( $text );
		$text = apply_filters('the_content', $text);
		$text = str_replace(']]>', ']]>', $text);
		$excerpt_length =30; // 30 words
		$excerpt_more = apply_filters('excerpt_more', ' ' . '[...]');
		$text = wp_trim_words( $text, $excerpt_length, $excerpt_more );
	}
	return apply_filters('the_excerpt', $text);
}

//Add this line in your template
	 <?php echo advanced_custom_field_excerpt(); ?>
	 
	 
	 <?php
/*
*  WordPress Code Tweaks
*/


/****** Theme Utils Dashboard ******/
https://codeable.io/wordpress-hacks-without-plugins/

//Change the login logo with yours
function my_custom_login_logo() {
    echo '<style type="text/css">
        h1 a { background-image:url('.get_bloginfo('template_directory').'/images/custom-login-logo.gif) !important; }
    </style>';
}

add_action('login_head', 'my_custom_login_logo');


// Change the admin logo
function custom_admin_logo() {
  echo '<style type="text/css">
          #header-logo { background-image: url('.get_bloginfo('template_directory').'/images/admin_logo.png) !important; }
        </style>';
}
add_action('admin_head', 'custom_admin_logo');


// Disable WordPress Login Hints
function no_wordpress_errors(){
  return 'GET OFF MY LAWN !! RIGHT NOW !!';
}
add_filter( 'login_errors', 'no_wordpress_errors' );


// Keep logged in WordPress for a longer period
add_filter( 'auth_cookie_expiration', 'stay_logged_in_for_1_year' );
function stay_logged_in_for_1_year( $expire ) {
  return 31556926; // 1 year in seconds
}


// Replace "Howdy" with "Logged in as" in WordPress bar
function replace_howdy( $wp_admin_bar ) {
  $my_account=$wp_admin_bar->get_node('my-account');
  $newtitle = str_replace( 'Howdy,', 'Logged in as', $my_account->title );
  $wp_admin_bar->add_node( array(
      'id' => 'my-account',
      'title' => $newtitle,
  ) );
}
add_filter( 'admin_bar_menu', 'replace_howdy', 25 );


// Change the footer text on WordPress dashboard
function remove_footer_admin () {
  echo "Your own text";
} 
add_filter('admin_footer_text', 'remove_footer_admin');


/**
 * WordPress function for redirecting users on login based on user role, redirect login, 
 */
https://wpscholar.com/blog/wordpress-user-login-redirect/
function my_login_redirect( $url, $request, $user ){
  if( $user && is_object( $user ) && is_a( $user, 'WP_User' ) ) {
      if( $user->has_cap( 'administrator' ) ) {
          $url = admin_url();
      } else {
          $url = home_url('/members-only/');
      }
  }
  return $url;
}
add_filter('login_redirect', 'my_login_redirect', 10, 3 );



/****** Posts and Pages ******/
// Require a featured image before you can publish posts
add_action('save_post', 'wpds_check_thumbnail');
add_action('admin_notices', 'wpds_thumbnail_error');

function wpds_check_thumbnail( $post_id ) {
  // change to any custom post type 
  if( get_post_type($post_id) != 'post' )
      return;

  if ( ! has_post_thumbnail( $post_id ) ) {
    // set a transient to show the users an admin message
    set_transient( "has_post_thumbnail", "no" );
    // unhook this function so it doesn't loop infinitely
    remove_action('save_post', 'wpds_check_thumbnail');
    // update the post set it to draft
    wp_update_post(array('ID' => $post_id, 'post_status' => 'draft'));

    add_action('save_post', 'wpds_check_thumbnail');
  } else {
    delete_transient( "has_post_thumbnail" );
  }
}

function wpds_thumbnail_error() {
  // check if the transient is set, and display the error message
  if ( get_transient( "has_post_thumbnail" ) == "no" ) {
    echo "<div id='message' class='error'><p><strong>You must add a Featured Image before publishing this. Don't panic, your post is saved.</strong></p></div>";
    delete_transient( "has_post_thumbnail" );
  }
}


// Reduce Post Revisions
define( 'WP_POST_REVISIONS', 3 );

// Delay posting to my RSS feeds for 60 minutes
function Delay_RSS_After_Publish($where) {
  global $wpdb;

  if (is_feed()) {
    $now = gmdate('Y-m-d H:i:s');
    $wait = '60';
    $device = 'MINUTE';
    $where.=" AND TIMESTAMPDIFF($device, $wpdb->posts.post_date_gmt, '$now') > $wait ";
  }
  return $where;
}
add_filter('posts_where', 'Delay_RSS_After_Publish');


// Change the length of excerpts
function custom_excerpt_length( $length ) {
  return 20;
}
add_filter( 'excerpt_length', 'custom_excerpt_length', 999 );


// Change the post auto-save interval
define( 'AUTOSAVE_INTERVAL', 45 );


/****** Widgets ******/
// Add a shortcode to widget
add_filter('widget_text', 'do_shortcode');


/****** Search ******/
//Show the number of results found
<h2 class="pagetitle">Search Result for <?php /* Search Count */ $allsearch = &new WP_Query("s=$s&showposts=-1"); $key = wp_specialchars($s, 1); $count = $allsearch->post_count; _e(''); _e('<span class="search-terms">'); echo $key; _e('</span>'); _e(' — '); echo $count . ' '; _e('articles'); wp_reset_query(); ?></h2>


// Exclude categories from search
function SearchFilter($query) {
  if ( $query->is_search && ! is_admin() ) {
    $query->set('cat','8,15'); 
  }
  return $query; 
}
add_filter('pre_get_posts','SearchFilter');


// Exclude pages from search
function modify_search_filter($query) {
  if ($query->is_search) {
    $query->set('post_type', 'post');
  }
  return $query;
}

add_filter('pre_get_posts','modify_search_filter');



// SMTP
add_action( 'phpmailer_init', 'send_smtp_email' );
function send_smtp_email( $phpmailer ) {
    $phpmailer->isSMTP();
    $phpmailer->Host       = SMTP_HOST;
    $phpmailer->SMTPAuth   = SMTP_AUTH;
    $phpmailer->Port       = SMTP_PORT;
    $phpmailer->Username   = SMTP_USER;
    $phpmailer->Password   = SMTP_PASS;
    $phpmailer->SMTPSecure = SMTP_SECURE;
    $phpmailer->From       = SMTP_FROM;
    $phpmailer->FromName   = SMTP_NAME;
}

// Define in wp-config
define('SMTP_USER','mail@example.com');     // Username to use for SMTP authentication
define('SMTP_PASS', '############');        // Password to use for SMTP authentication
define('SMTP_HOST', 'mail.host.com');       // The hostname of the mail server
define('SMTP_FROM', 'mail@example.com');    // SMTP From email address
define('SMTP_NAME', 'Example');             // SMTP From name
define('SMTP_PORT', '587');                 // SMTP port number - likely to be 25, 465 or 587
define('SMTP_SECURE', 'tls');               // Encryption system to use - ssl or tls
define('SMTP_AUTH', true);                  // Use SMTP authentication (true|false)
define('SMTP_DEBUG', 0);                    // for debugging purposes only set to 1 or 2



/**
 * Solved problems 
 */
/**
 * Reset posts counts only for current users, reset counts
 */
if( 'edit.php' == $pagenow || $query->is_admin ) {
	
	$user_role_name = wp_get_current_user()->roles[0];
	
	if ( $user_role_name == "free" || $user_role_name ==  "featured" 
				|| $user_role_name ==  "social" || $user_role_name ==  "marketing" || $user_role_name ==  "paid" ){
		
		$count_publish = $count_pending = $count_draft = $count_trash = 0; 
		$user_id = get_current_user_id();
	
		$loop_publish = new WP_Query( array( 'post_type' => 'laundries', 'author' => $user_id, 'post_status' => 'publish' ) );
		$loop_pending = new WP_Query( array( 'post_type' => 'laundries', 'author' => $user_id, 'post_status' => 'pending' ) );
		$loop_draft 	= new WP_Query( array( 'post_type' => 'laundries', 'author' => $user_id, 'post_status' => 'draft' ) );
		$loop_trash 	= new WP_Query( array( 'post_type' => 'laundries', 'author' => $user_id, 'post_status' => 'trash' ) );	

		while ( $loop_publish->have_posts() ) : $loop_publish->the_post();
			$count_publish++;
		endwhile;

		while ( $loop_pending->have_posts() ) : $loop_pending->the_post();
			$count_pending++;
		endwhile;

		while ( $loop_draft->have_posts() ) : $loop_draft->the_post();
			$count_draft++;
		endwhile;

		while ( $loop_trash->have_posts() ) : $loop_trash->the_post();
			$count_trash++;
		endwhile;

		add_action('admin_print_scripts', 'la_hook_javascript', 99);
		function la_hook_javascript(){ 
			global $count_publish, $count_draft, $count_pending, $count_trash;
			?>
			<script>
			jQuery(document).ready(function($){
				$(".publish .count").text("<?php echo  "(" . $count_publish . ")" ; ?>");
				$(".draft 	.count").text("<?php echo  "(" . $count_draft. ")" ; ?>");
				$(".pending .count").text("<?php echo  "(" . $count_pending . ")" ; ?>");
				$(".trash 	.count").text("<?php echo  "(" . $count_trash . ")" ; ?>");
			});
		</script>
		<?php }
	}
}



/****** woocommerce ******/

// Delete all data then uninstall wc, remove data
define( 'WC_REMOVE_ALL_DATA', true);

// checkout page
// creating a Redirect to thank you page
https://www.tychesoftwares.com/how-to-customize-the-woocommerce-thank-you-page/
add_action( 'template_redirect', 'woo_custom_redirect_after_purchase' );
function woo_custom_redirect_after_purchase() {
	global $wp;
	if ( is_checkout() && !empty( $wp->query_vars['order-received'] ) ) {
		wp_redirect( 'http://localhost:8888/woocommerce/custom-thank-you/' );
		exit;
	}
}

// Changing the text before order information
add_filter('woocommerce_thankyou_order_received_text', 'woo_change_order_received_text', 10, 2 );
function woo_change_order_received_text( $str, $order ) {
    $new_str = $str . ' We have emailed the purchase receipt to you.';
    return $new_str;
}


// Cart shop select product quantity
add_filter( 'woocommerce_quantity_input_args', 'bloomer_woocommerce_quantity_changes', 10, 2 );
function bloomer_woocommerce_quantity_changes( $args, $product ) {
  
   if ( ! is_cart() ) {
 
      $args['input_value'] = 1; // Start from this value (default = 1) 
      $args['max_value'] = 10; // Max quantity (default = -1)
      $args['min_value'] = 1; // Min quantity (default = 0)
      $args['step'] = 1; // Increment/decrement by this value (default = 1)
   } else {
 
      // Cart's "min_value" is already 0 and we don't need "input_value"
      $args['max_value'] = 10; // Max quantity (default = -1)
      $args['step'] = 1; // Increment/decrement by this value (default = 0)
      // ONLY ADD FOLLOWING IF STEP < MIN_VALUE
      $args['min_value'] = 1; // Min quantity (default = 0)
   }
  
   return $args;
}



/**
 * dissallow comments
 */
https://gist.github.com/mattclements/eab5ef656b2f946c4bfb
add_action('admin_init', function () {
	// Redirect any user trying to access comments page
	global $pagenow;
	
	if ($pagenow === 'edit-comments.php') {
			wp_redirect(admin_url());
			exit;
	}

	// Remove comments metabox from dashboard
	remove_meta_box('dashboard_recent_comments', 'dashboard', 'normal');

	// Disable support for comments and trackbacks in post types
	foreach (get_post_types() as $post_type) {
			if (post_type_supports($post_type, 'comments')) {
					remove_post_type_support($post_type, 'comments');
					remove_post_type_support($post_type, 'trackbacks');
			}
	}
});

// Close comments on the front-end
add_filter('comments_open', '__return_false', 20, 2);
add_filter('pings_open', '__return_false', 20, 2);

// Hide existing comments
add_filter('comments_array', '__return_empty_array', 10, 2);

// Remove comments page in menu
add_action('admin_menu', function () {
	remove_menu_page('edit-comments.php');
});

// Remove comments links from admin bar
add_action('init', function () {
	if (is_admin_bar_showing()) {
			remove_action('admin_bar_menu', 'wp_admin_bar_comments_menu', 60);
	}
});

//Remove emoji
remove_action( 'wp_head', 'print_emoji_detection_script', 7 );
remove_action( 'wp_print_styles', 'print_emoji_styles' );



/**
 * Multilanguage, i18n
 */
// get current language from wpml
https://wpml.org/forums/topic/get-current-language-2/
echo ICL_LANGUAGE_CODE;

<?php if (ICL_LANGUAGE_CODE == 'ro') : ?>
	<p>Stoc epuizat!<br/>lasă-ne datele tale de contact, iar noi vom lua legătura cu tine pentru o alta ofertă</p>
	<?php else: ?>
	<p>Все продано!<br/>Оставь нам свои данные, и мы  предложим тебе новую оферту.</p>
	<?php endif; ?>


// Display WPML's drop-down language switcher
https://wpml.org/wpml-hook/wpml_add_language_selector/
<?php do_action('wpml_add_language_selector'); ?>


// WPML Language Switcher Custom Menu
add_action('dp_wpml_language_selector', 'my_custom_language_switcher');
function my_custom_language_switcher()
{
  $languages = apply_filters('wpml_active_languages', NULL, array('skip_missing' => 0));

  if (!empty($languages)) {
    foreach ($languages as $language) {

    $native_name = strtoupper( mb_substr($language['native_name'], 0, 2, 'UTF-8'));
//      $native_name = $language['language_code'];
      $active_class = $language['active'] ? $active_class = " active" : $active_class = '';

      echo '<a class="header_lang_item js-change-lang'. $active_class .'" href="'. $language['url'] .'">'. $native_name .'</a>';
    }
  }
}




/****** optimization ******/
//Remove emoji
remove_action( 'wp_head', 'print_emoji_detection_script', 7 );
remove_action( 'wp_print_styles', 'print_emoji_styles' );



//-------------- Text editing, functions php, utils --------------//

// Function to activate Paste As Text By Default, paste text, paste clear formatting text
https://anythinggraphic.net/paste-as-text-by-default-in-wordpress/
add_filter('tiny_mce_before_init', 'ag_tinymce_paste_as_text');
function ag_tinymce_paste_as_text( $init ) {
  $init['paste_as_text'] = true;
  return $init;
}


// Get users published posts numbers
function getNbrPostsByUser($current_user_id){
	global $wpdb;

	$nbrPost = $wpdb->get_var( $wpdb->prepare(
			"
							SELECT COUNT(*)
							FROM $wpdb->posts
							WHERE post_type = %s AND post_author = %d AND post_status = 'publish'
					",
			'laundries',
			$current_user_id
	));
	return $nbrPost;
}



//-------------- $post, post object, wp_post --------------//
https://codex.wordpress.org/Class_Reference/WP_Post

ID	int	The ID of the post
post_author		string	The post author's user ID (numeric string)
post_name			string	The post's slug
post_type	s		tring	See Post Types
post_title		string	The title of the post
post_date	string	Format: 0000-00-00 00:00:00
post_date_gmt	string	Format: 0000-00-00 00:00:00
post_content	string	The full content of the post
post_excerpt	string	User-defined post excerpt
post_status	string	See get_post_status for values
comment_status	string	Returns: { open, closed }
ping_status	string	Returns: { open, closed }
post_password	string	Returns empty string if no password
post_parent	int	Parent Post ID (default 0)
post_modified	string	Format: 0000-00-00 00:00:00
post_modified_gmt	string	Format: 0000-00-00 00:00:00
comment_count	string	Number of comments on post (numeric string)
menu_order	string	Order value as set through page-attribute when enabled (numeric string. Defaults to 0)




// Filter content, add rel="lightbox" to link, add tag properties. 
add_filter('the_content', 'my_addlightboxrel');
function my_addlightboxrel($content) {
  global $post;
  $pattern ="/<a(.*?)href=('|\")(.*?).(bmp|gif|jpeg|jpg|png)('|\")(.*?)>/i";
  $replacement = '<a$1href=$2$3.$4$5 rel="lightbox" title="'.$post->post_title.'"$6>';
  $content = preg_replace($pattern, $replacement, $content);
  return $content;
}



/****** Connect SSL, Enable SSL ******/
https://www.wpbeginner.com/wp-tutorials/how-to-add-ssl-and-https-in-wordpress/
define('FORCE_SSL_ADMIN', true);



//-------------- post counter, show post counter, post views --------------//
https://www.isitwp.com/track-post-views-without-a-plugin-using-post-meta/

function getPostViews($postID){
	$count_key = 'post_views_count';
	$count = get_post_meta($postID, $count_key, true);
	if($count==''){
			delete_post_meta($postID, $count_key);
			add_post_meta($postID, $count_key, '0');
			return "0 View";
	}
	return $count.' Views';
}

function setPostViews($postID) {
	$count_key = 'post_views_count';
	$count = get_post_meta($postID, $count_key, true);
	if($count==''){
			$count = 0;
			delete_post_meta($postID, $count_key);
			add_post_meta($postID, $count_key, '0');
	}else{
			$count++;
			update_post_meta($postID, $count_key, $count);
	}
}

// Remove issues with prefetching adding extra views
remove_action( 'wp_head', 'adjacent_posts_rel_link_wp_head', 10, 0);

// This part of the tracking views code will set the post views. 
setPostViews(get_the_ID());

// Use this code if you would like to display the number of views 
echo getPostViews(get_the_ID());


// Add to a column in WP-Admin
add_filter('manage_posts_columns', 'posts_column_views');
add_action('manage_posts_custom_column', 'posts_custom_column_views',5,2);
function posts_column_views($defaults){
    $defaults['post_views'] = __('Views');
    return $defaults;
}
function posts_custom_column_views($column_name, $id){
    if($column_name === 'post_views'){
        echo getPostViews(get_the_ID());
    }
}



// Custom Code featured image thumbnails in WordPress RSS Feeds, rss feed images
https://woorkup.com/show-featured-image-wordpress-rss-feed/#testing-your-rss-feed
function wplogout_post_thumbnails_in_feeds( $content ) {
	global $post;
	if( has_post_thumbnail( $post->ID ) ) {
			$content = '<p>' . get_the_post_thumbnail( $post->ID ) . '</p>' . $content;
	}
	return $content;
}
add_filter( 'the_excerpt_rss', 'wplogout_post_thumbnails_in_feeds' );
add_filter( 'the_content_feed', 'wplogout_post_thumbnails_in_feeds' );


// responsive youtube issue, gutenberg editor
add_theme_support( 'responsive-embeds' );



/**
 * Disable Fullscreen Gutenberg., disable gutenberg, disable guttenberg full screen
 */
add_action( 'enqueue_block_editor_assets', 'wpdd_disable_editor_fullscreen_by_default' );

function wpdd_disable_editor_fullscreen_by_default() {
	$script = "window.onload = function() { const isFullscreenMode = wp.data.select( 'core/edit-post' ).isFeatureActive( 'fullscreenMode' ); if ( isFullscreenMode ) { wp.data.dispatch( 'core/edit-post' ).toggleFeature( 'fullscreenMode' ); } }";

	wp_add_inline_script( 'wp-blocks', $script );
}


/**
 * repair errors
 */

// error with image uploads. write in functions.php
// Maximum execution time of 29 seconds exceeded in class-wp-image-editor-imagick.php
// importing a theme demo
https://sonaar.ticksy.com/article/15432/
add_filter( 'wp_image_editors', 'change_graphic_lib' );
function change_graphic_lib($array) {
	return array( 'WP_Image_Editor_GD', 'WP_Image_Editor_Imagick' );
	}
	
	

/**
 * Get custom posts count, custom posts count
 */
function wp_get_custompost_count($postType, $postStatus = 'publish') {

	$args = array(
			'post_type'     => $postType, 
			'post_status'   => $postStatus, 
			'posts_per_page' => -1
	);
	$query = new WP_Query($args);

	// return (int)$query->found_posts;
	return (int)$query->post_count;
}



//-------------- Check the URL of the WordPress login, login query string, login string check, login params --------------//	
/*
* Check the URL of the WordPress login
* page for a specific query string
*
* assumes login string is
* http://mysite.com/wp-login.php?question=answer
*/
https://gist.github.com/williejackson/4347638

function rkv_login_stringcheck() {

	// set the location a failed attempt goes to
	$redirect = 'http://www.google.com/';

	// missing query string all together
	if (!isset ($_GET['question']) )
		wp_redirect( esc_url_raw ($redirect), 302 );

	// incorrect value for query string
	if ($_GET['question'] !== 'answer' )
		wp_redirect( esc_url_raw ($redirect), 302 );

}

add_action( 'login_init', 'rkv_login_stringcheck' );


//-------------- custom function check login page, detect login page, --------------//
isLoginPage();
function isLoginPage()
{
	$is_login_page = false;

	$ABSPATH_MY = str_replace(array('\\', '/'), DIRECTORY_SEPARATOR, ABSPATH);

	// Was wp-login.php or wp-register.php included during this execution?
	if (
		in_array($ABSPATH_MY . 'wp-login.php', get_included_files()) ||
		in_array($ABSPATH_MY . 'wp-register.php', get_included_files())
	) {
		$is_login_page = true;
	}

	// $GLOBALS['pagenow'] is equal to "wp-login.php"?
	if (isset($GLOBALS['pagenow']) && $GLOBALS['pagenow'] === 'wp-login.php') {
		$is_login_page = true;
	}

	// $_SERVER['PHP_SELF'] is equal to "/wp-login.php"?
	if ($_SERVER['PHP_SELF'] == '/wp-login.php') {
		$is_login_page = true;
	}

	return $is_login_page;
}



// change password by user ID
https://qodeinteractive.com/magazine/wordpress-reset-admin-password-localhost/
wp_set_password('password', 1);



//-------------- my functions  --------------//
// calc number of words in content post, posts word number, words number
function srp_words_num($text = '') {
	$text = wp_strip_all_tags( $text );

	return str_word_count($text, 0);
}


// get value in btn, get value in input
$action = 'value';
sprintf( '<input type="submit" value="%s" class="button" onclick="jQuery(\'#action\').val(\'%s\');" />', 'Submit data', $action );



//-------------- get and select custom terms by hierarchycall levels, terms level  --------------//
$all_tax_terms = get_terms([
	'taxonomy' => 'job_sectors',
	'hide_empty' => true,
	'count' => -1,
	'orderby' => 'name',
	'order' => 'ASC',
//  'fields' => 'names',
	'fields' => 'ids', // get id's terms list
]);

// Clear from duplicates and reset counter
// $sorted_terms = array_values(array_unique($all_tax_terms));

// get 1-st term level
function get_first_term_level($all_tax_terms)
{

	$terms = $all_tax_terms;

	foreach ($terms as $term_id) {

		$depth = count(get_ancestors($term_id, 'job_sectors'));

		if ($depth === 1) {
			// get terms names
			$sorted_terms[] = get_term_by('id', $term_id, 'job_sectors')->name;
		}
	}

	return $sorted_terms;
}

$sorted_terms = get_first_term_level($all_tax_terms);




//--------------  work with users, password change, password delete, delete pass, change user --------------//
wp_set_password('password', 1); // 
wp_set_auth_cookie(1); // 1 user_id




//--------------  get terms of custom tax and posts --------------//
// https://www.forumming.com/question/8107/get-terms-by-taxonomy-and-post-type
/* get terms limited to post type
 @ $taxonomies - (string|array) (required) The taxonomies to retrieve terms from.
 @ $args  -  (string|array) all Possible Arguments of get_terms http://codex.wordpress.org/Function_Reference/get_terms
 @ $post_type - (string|array) of post types to limit the terms to
 @ $fields - (string) What to return (default all) accepts ID,name,all,get_terms.
 if you want to use get_terms arguments then $fields must be set to 'get_terms'
*/
function get_terms_by_post_type($taxonomies, $post_type, $fields = 'all')
{
    $args = array(
        'post_type' => $post_type,
        'posts_per_page' => -1
    );
    $the_query = new WP_Query($args);
    $terms = array();
    while ($the_query->have_posts()) {
        $the_query->the_post();
        $curent_terms = wp_get_object_terms(get_the_ID(), $taxonomies);
        foreach ($curent_terms as $t) {
            //avoid duplicates
            if (!in_array($t, $terms)) {
                $terms[] = $c;
            }
        }
    }
    wp_reset_query();

    // return array of term objects
    if ($fields == "all") {
        return $curent_terms;
    }

    // return array of term ID's
    if ($fields == "ID") {
        foreach ($terms as $t) {
            $re[] = $t->term_id;
        }
        return $re;
    }

    // return array of term names
    if ($fields == "name") {
        foreach ($terms as $t) {
            $re[] = $t->name;
        }
        return $re;
    }

    // get terms with get_terms arguments
    if ($fields == "get_terms") {
        $terms2 = get_terms($taxonomies, $args);
        foreach ($terms as $t) {
            if (in_array($t, $terms2)) {
                $re[] = $t;
            }
        }
        return $re;
    }
}


 /* get terms limited to post type, for ajax query */
function get_terms_by_post_type($taxonomies, $post_type)
{
	$args = array(
		'post_type' => $post_type,
		'posts_per_page' => -1
	);
	$the_query = new WP_Query($args);
	$terms = array();
	while ($the_query->have_posts()) {
		$the_query->the_post();
		$curent_terms = wp_get_object_terms(get_the_ID(), $taxonomies);

		foreach ($curent_terms as $t) {
			//avoid duplicates
			if (!in_array($t, $terms)) {
				$terms[] = $t->name;
			}
		}
	}
	wp_reset_query();

	return $terms;
}



//-------------- AJAX filter posts by year --------------//
https://wordpress.stackexchange.com/questions/326662/ajax-filter-posts-by-year