3v4l.org

run code in 300+ PHP versions simultaneously
<?php $objs = [ ['value'=>2, 'key'=>'a'], ['value'=>3, 'key'=>'b'] ]; $keys = array_column($objs, 'key'); $index = array_search('c', $keys); $objs[$index]['key'] = 5; var_dump($objs);

preferences:
24.96 ms | 406 KiB | 5 Q