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run code in 300+ PHP versions simultaneously
<?php global $arr; $arr = array(1,2,4); foreach($arr as $a) { echo $a; } unset($arr); foreach($arr as $a) { echo $a; }
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
124 Warning: Undefined variable $arr in /in/Bo28m on line 11 Warning: foreach() argument must be of type array|object, null given in /in/Bo28m on line 11
Output for 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 - 5.5.36, 5.6.0 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.31, 7.4.0 - 7.4.25, 7.4.27 - 7.4.33
124 Notice: Undefined variable: arr in /in/Bo28m on line 11 Warning: Invalid argument supplied for foreach() in /in/Bo28m on line 11
Output for 4.3.0 - 4.3.10, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 7.3.32 - 7.3.33, 7.4.26
124 Warning: Invalid argument supplied for foreach() in /in/Bo28m on line 11
Output for 4.3.11
124
preferences:
252.43 ms | 401 KiB | 389 Q