- preg_match: documentation ( source)
- print_r: documentation ( source)
- array_filter: documentation ( source)
<?php
$a = [
(object) ['program_title' => 'Hello – Aujourd’hui']
];
print_r(array_filter($a, function ($i) { return preg_match('~Hello . Aujourd.hui~u', $i->program_title); }));