martinsanne

<?php

$text = 'I love eating CO2 for breakfast. <a href="http://www.co2health.com" class="co2" id="co2">CO2 health effects</a>. Here is a pic of CO2 <img src="http://site.com/co2.jpg" alt="CO2">';
$text = preg_replace('~<[^>]*>(*SKIP)(*F)|CO2~', 'CO<sub>2</sub>', $text);
echo $text;

/*
Output:
I love eating CO<sub>2</sub> for breakfast. <a href="http://www.co2health.com" class="co2" id="co2">CO<sub>2</sub> health effects</a>. Here is a pic of CO<sub>2</sub> <img src="http://site.com/co2.jpg" alt="CO2">
*/

martinsanne

<?php
/*

Name file anything you want and put in put in wp-content/mu-plugins/

Credits:
https://wycks.wordpress.com/2013/12/05/how-to-remove-error-notices-using-wordpresss-wp_debug/

*/
error_reporting(E_ALL &  ~( E_NOTICE | E_USER_NOTICE | E_STRICT | E_DEPRECATED | E_USER_DEPRECATED | E_WARNING | E_CORE_WARNING | E_USER_WARNING | E_COMPILE_WARNING | E_PARSE ));

martinsanne

$subject = '<a href="#" data-type="page" data-value="1" data-title="Dickbutt"></a>';
	preg_match_all(
    '/<a
    (?:\s+
      (?:
      	 href=["\'](?P<href>[^"\'<>]+)["\']
        |
         data-value=["\'](?P<value>[^"\'<>]+)["\']
        |
         data-title=["\'](?P<title>[^"\'<>]+)["\']

martinsanne

<?php

function wpbase_remove_admin_bar_glitch(){
	// make sure body is not relative positioned
	if ( is_admin_bar_showing() ) { ?>
	<style type="text/css"> body { position: static !important; } </style>
	<?php }
}
add_action('wp_head', 'wpbase_remove_admin_bar_glitch');

martinsanne

<?php

/**
 * 
 * Adds location rule to target specific sites in a WordPress Multisite environment
 * http://www.advancedcustomfields.com/resources/custom-location-rules/
 * 
 */
 
function acf_location_rule_type_blog( $choices ) {