- print_r: documentation ( source)
- end: documentation ( source)
- preg_match_all: documentation ( source)
<?php
$str = "WHERE 1=1 AND (
( wp_usermeta.meta_key = 'mayo_location' AND wp_usermeta.meta_value IN ('418') )
) AND (user_login LIKE '%a j sterr%' OR user_email LIKE '%a j sterr%')";
preg_match_all('/sterr/', $str, $matches, PREG_SET_ORDER);
print_r(end($matches));