<?php class A { static function cast(&$val, $key) { if (is_numeric($val)) { $val += 0; } } static function run() { $arr = ['stri33ng123', 84, 076.7, '.6', '67.5e45', '56,9', '098']; var_dump($arr); //array_walk($arr , ['self', 'cast']); array_walk($arr , 'self::cast'); var_dump($arr); } } A::run();
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