JackNUMBER

<?
$thumb = get_post_thumbnail_id();
$path = wp_get_attachment_image_src($thumb);
$dimensions = getimagesize($path[0]);
$size = 300;

if ($dimensions[1] < $size) echo 'Larger than ' . $size . 'px';

JackNUMBER

<?

/* In functions.php */

// Disable Wordpress update check
add_filter('pre_site_transient_update_core', create_function('$a', "return null;"));
wp_clear_scheduled_hook('wp_version_check');

// Disable theme update check
remove_action('load-update-core.php', 'wp_update_themes');

JackNUMBER

<?

$args = array(
  'orderby'     => 'name',
  'order'       => 'ASC',
  'hide_empty'  => false
);

$categories = get_terms('taxonomy_name', $args);

JackNUMBER

<?php

/* in function.php  */

// For debugging - display current template file
add_action('wp_head', 'show_template');
function show_template() {
  global $template;
  print_r($template);
}

JackNUMBER

<?php
 
/* add this to functions.php */
 
// allow SVG uploads
function allow_svg_mime_types( $mimes ){
    $mimes['svg'] = 'image/svg+xml';
    return $mimes;
}
add_filter('upload_mimes', 'allow_svg_mime_types');

JackNUMBER

<?

/* add this in functions.php */

// avoid auto <p>
remove_filter('the_content', 'wpautop');

JackNUMBER

<?

/* add this in functions.php */

// remove elements from head
remove_action('wp_head', 'rsd_link');
remove_action('wp_head', 'wp_generator');
remove_action('wp_head', 'feed_links', 2);
remove_action('wp_head', 'index_rel_link');
remove_action('wp_head', 'wlwmanifest_link');

JackNUMBER

<?

/* add one of this lines in WP-config.php (before Auth key) */

/** Define revision number */
define('WP_POST_REVISIONS', 10);

/** Disabled revision */
define('WP_POST_REVISIONS', false);

JackNUMBER

<?
 
/* add one of this lines in WP-config.php (before Auth key) */
 
// Define number of days old to empty trash
define('EMPTY_TRASH_DAYS', 3);

JackNUMBER

<?

/* in functions.php*/

// remove emoticons external script
remove_action('wp_head', 'print_emoji_detection_script', 7);

// remove completely CSS/JS scripts (new emoticons are always enabled)
remove_action('wp_head', 'print_emoji_detection_script', 7);
remove_action('admin_print_scripts', 'print_emoji_detection_script');