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run code in 300+ PHP versions simultaneously
<?php $a = array('k1' => null, 'k2'=>null); $result = ($a === null); var_dump($result || count($a) === 0); var_dump($notPopulated === null);
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.19, 8.3.0 - 8.3.7
bool(false) Warning: Undefined variable $notPopulated in /in/k143S on line 5 bool(true)
Output for 5.0.4 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.31, 7.4.0 - 7.4.33
bool(false) Notice: Undefined variable: notPopulated in /in/k143S on line 5 bool(true)
Output for 7.3.32 - 7.3.33
bool(false) bool(true)
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.3
bool(false) Notice: Undefined variable: notPopulated in /in/k143S on line 5 bool(true)
preferences:
274.55 ms | 402 KiB | 458 Q