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<?php $rules= array('trim', 'max_length[10]', 'callback__test'); $rules[] = 'required'; if($index = array_search('required', $rules)) { $moved_rule = $rules[$index]; unset($rules[$index]); array_unshift($rules, $moved_rule); } if($index = array_search('trim', $rules)) { $moved_rule = $rules[$index]; unset($rules[$index]); array_unshift($rules, $moved_rule); } print_r($rules);
Output for 5.6.38, 7.0.0 - 7.0.31, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.7
Array ( [0] => trim [1] => required [2] => max_length[10] [3] => callback__test )
preferences:
193.63 ms | 404 KiB | 240 Q