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run code in 300+ PHP versions simultaneously
<?php error_reporting(E_STRICT); $header = array('test'); if (!empty($header[0]['class'])) { echo 'set'; } else { echo 'not set'; }
Output for 5.0.0 - 5.0.2, 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.8 - 5.6.21, 7.0.0 - 7.0.20, 7.1.0 - 7.1.10, 7.2.0 - 7.2.33, 7.3.16 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.27, 8.2.0 - 8.2.17, 8.3.0 - 8.3.4
not set
Output for 5.0.3 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29
set
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9
Notice: Use of undefined constant E_STRICT - assumed 'E_STRICT' in /in/rSX8S on line 2 set

preferences:
210.95 ms | 401 KiB | 305 Q