- var_dump: documentation ( source)
- stripos: documentation ( source)
<?php
$array = array(
'This one I need 1',
'This one I DO NOT need 1',
'This one I need 2',
'This one I DO NOT need 2',
'That one I needed 1',
'This one I need 3',
);
foreach($array AS $val){
var_dump(stripos('This one I need', $val));
}