There is a small “cockney” list of transformations, as well. They can be replaced if the variable $wp_cockneyreplace is defined and contains an associative array with the keys containing the source strings and the values containing the transformed strings. By default the following strings will be transformed: ’tain’t ’twere ’twas ’tis ’twill ’til ’bout ’nuff ’round ’cause Source function wptexturi