3v4l.org

run code in 300+ PHP versions simultaneously
<?php $array = [1, 2, 3]; // Ссылка $value на значение массива $array не удаляется после выхода из тела цикла и указывает на последний элемент массива. $array[2] также указывает на последний элемент. foreach ($array as &$value) { } // Каждый проход цикла устанавливается новое значение $value, к-рый указывает на последний элемент. foreach ($array as $key => $value) { echo "\$array[$key] = $array[$key]; \$array[3] = $array[3]; \$value = $value\n"; }
Output for git.master, git.master_jit, rfc.property-hooks
Warning: Undefined array key 3 in /in/43CH7 on line 10 $array[0] = 1; $array[3] = ; $value = 1 Warning: Undefined array key 3 in /in/43CH7 on line 10 $array[1] = 2; $array[3] = ; $value = 2 Warning: Undefined array key 3 in /in/43CH7 on line 10 $array[2] = 2; $array[3] = ; $value = 2

This tab shows result from various feature-branches currently under review by the php developers. Contact me to have additional branches featured.

Active branches

Archived branches

Once feature-branches are merged or declined, they are no longer available. Their functionality (when merged) can be viewed from the main output page

preferences:
42.43 ms | 401 KiB | 8 Q