You can access your array keys like so: foreach ($array as $key => $value). ... <看更多>

In this beginners guide to PHP foreach loops we explain the basic principles of the foreach loop and provides examples on how to use it. ... <看更多>

<?php. $array = array(1, 2, 3, 4, 5);. foreach($array as $key => $value) {. unset($value);. } var_dump($array); ?> result: array(5) { [0]=> int(1) [1]=> ... ... <看更多>

In PHP the foreach loop creates a temporary variable storing the initial array passed. you can pass $value by reference using &$value. ... <看更多>