code snippets for modern web design class

gistfile1.php

<?php

// featured

$slides = $pages->find("template=slide, featured=1");

// Word Limiter
function wordLimiter(HookEvent $event){
    $field = $event->arguments[0]; // first argument
    $limit = $event->arguments[1];
    $endstr = isset($event->arguments[2]) ? $event->arguments[2] : ' …';
    $page = $event->object; // the page
    $str = $page->get($field);

    $str = strip_tags($str);
    if(strlen($str) <= $limit) return;
    $out = substr($str, 0, $limit);
    $pos = strrpos($out, " ");
    if ($pos>0) {
        $out = substr($out, 0, $pos);
    }
    return $event->return = $out .= $endstr;
}

// this will add a custom method to Page object
wire()->addHook("Page::wordLimiter", null, "wordLimiter");

// List Assets
function listAssets($asset_files) {

	$templates = wire('config')->urls->templates;

        foreach ($asset_files as $asset_file) {
			
			$path_parts = pathinfo($asset_file);
			
			if($path_parts['extension'] == 'js' ) {
            	echo "<script type=\"text/javascript\" src=\"{$templates}{$asset_file}\"></script>\n\t\t";
            } elseif($path_parts['extension'] == 'css' ) {
	            echo "<link rel=\"stylesheet\" href=\"{$templates}{$asset_file}\">\n\t\t";
            }
		
	}
}

// Create Mailto
function createMailto($strEmail){
  $strNewAddress = '';
  for($intCounter = 0; $intCounter < strlen($strEmail); $intCounter++){
    $strNewAddress .= "&#" . ord(substr($strEmail,$intCounter,1)) . ";";
  }
  $arrEmail = explode("&#64;", $strNewAddress);
  $strTag = "<script language="."Javascript"." type="."text/javascript".">\n";
  $strTag .= "<!--\n";
  $strTag .= "document.write('<a href=\"mai');\n";
  $strTag .= "document.write('lto');\n";
  $strTag .= "document.write(':" . $arrEmail[0] . "');\n";
  $strTag .= "document.write('@');\n";
  $strTag .= "document.write('" . $arrEmail[1] . "\">');\n";
  $strTag .= "document.write('" . $arrEmail[0] . "');\n";
  $strTag .= "document.write('@');\n";
  $strTag .= "document.write('" . $arrEmail[1] . "<\/a>');\n";
  $strTag .= "// -->\n";
  $strTag .= "</script><noscript>" . $arrEmail[0] . " at \n";
  $strTag .= str_replace("&#46;"," dot ",$arrEmail[1]) . "</noscript>";
  return $strTag;
}

// Use in Init
$minifyCSS = true;
$minifyJS = true;

if($user->hasRole('superuser')) {
	$minifyCSS = false;
	$minifyJS = false;
}

$stylesheets = array(
    'assets/css/bootstrap.min.css',
); 

$jsfiles = array(
	'assets/js/jquery-1.11.2.min.js'
);

// Use in Head
if($minifyCSS == true) {
	// if using procache
	echo $procache->link($stylesheets);
	// if using AIOM+
	echo '<link rel="stylesheet" type="text/css" href="' . AllInOneMinify::CSS($stylesheets) . '" />';   
} else {
	listAssets($stylesheets); 
}
	
// Use in Foot	
if($minifyJS == true) {
	// if using procache
	echo $procache->script($jsfiles);
	// if using AIOM+
	echo '<script type="text/javascript" src="' . AIOM::JS($jsfiles) . '"></script>';
} else {
	listAssets($jsfiles); 
}   

// or if not using Procache, use the alternative AIOM+ code.


#################################################################
# Browser Titles
#################################################################
	
$title = $page->title;

/********  SECTION TITLE **********/

$pageSection = '';
if( $page->parent->is('template=news-index|album-index|artist-index') ) $pageSection = ' | ' . $page->parent->title;	

$browserTitle = $title . $pageSection . ' | ' . $site_title; 

/********  HOMEPAGE TITLE **********/	

if ( $page == $homepage && !isset($homepage_title) ) $browserTitle = $title . ' | ' . $site_title; 
if ( $page == $homepage && !isset($homepage_title) && $title == $site_title ) $browserTitle = $site_title;
if ( $page == $homepage && isset($homepage_title) ) $browserTitle = $homepage_title; 
	
// this is in the header:

<!-- OPEN GRAPH
================================================== -->
<meta property="og:title" content="<?=$browserTitle?>" />
<meta property="og:type" content="website" />
<meta property="og:url" content="<?=$page->httpUrl?>" />
<meta property="og:site_name" content="<?=$site_title?>" />
<meta property="og:locale" content="en_us" />
<?php if($meta_description) { ?>
<meta property="og:description" content="<?=$meta_description?>" />
<?php } ?>
<?php if(isset($ogImage)) { ?>
<meta property="og:image" content="<?=$ogImage->httpUrl?>"/>
<?php } ?>
<?php if(isset($fb_admins)) { ?>
<meta property="fb:admins" content="<?=$fb_admins?>" />
<?php } ?>


<?php
// this is in the init

/* Metas
------------------------------------------------------------- */

$meta_description = '';

if($page->summary !== '') $meta_description = $page->summary;

	if(!$meta_description && $page->body !=='') {
		$meta_description = $page->wordLimiter("body", 165);
		$meta_description = str_replace(array("\r", "\n"), '', $meta_description);
	}
	
	
/* Schema
------------------------------------------------------------- */
//http://schema.org/Florist
$schema = array(
	"@context" 	=> "http://schema.org",
	"@type"		=> "Florist",
	"url"		=> "http://www.mygreatsite.com",
	"name"		=> "My Great Site",
	"telephone"	=> $contact_phone,
	"legalName"	=> "My Great Site, LLC"
);

$schema['logo'] 	= $logo_dark->httpUrl;
foreach($socials as $social) {
	$schema['sameAs'][] = $social->value;
}

?>
<!-- this gets placed in the head, to output the json/ld -->
<script type="application/ld+json">
<?php echo json_encode($schema); ?>
</script>


/* Image for Facebook
-------------------------------------*/
if($post->images->count()) {

	if($post->images->findTag("featured")->count()) {
		$ogImage = $post->images->findTag("featured")->first()->width(850);
	} else {
		$ogImage = $post->images->first()->width(850);
	}

}


<?php if( isset($ogImage) && isset($twitter_handle) ) { ?>
<!-- TWITTER
================================================== -->
<meta name="twitter:card" content="summary_large_image"/>
<meta name="twitter:description" content="<?=$meta_description?>"/>
<meta name="twitter:title" content="<?=$browserTitle?>"/>
<meta name="twitter:site" content="<?=$twitter_handle?>"/>
<meta name="twitter:image" content="<?=$ogImage->httpUrl?>">
<?php } ?>


<?php
// this is a meta description, using the summary field:
<meta name="description" content="<?=$page->summary?>">