3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $array = [1, 1, 2, 3, 5, 8, 13, 21, 34, 55]; foreach ($array as &$value) { $value *= value; } var_dump($array); $value = 42; var_dump($array);
Output for 7.2.0 - 7.3.0rc4
Warning: Use of undefined constant value - assumed 'value' (this will throw an Error in a future version of PHP) in /in/pomlB on line 7 Warning: A non-numeric value encountered in /in/pomlB on line 7 Warning: Use of undefined constant value - assumed 'value' (this will throw an Error in a future version of PHP) in /in/pomlB on line 7 Warning: A non-numeric value encountered in /in/pomlB on line 7 Warning: Use of undefined constant value - assumed 'value' (this will throw an Error in a future version of PHP) in /in/pomlB on line 7 Warning: A non-numeric value encountered in /in/pomlB on line 7 Warning: Use of undefined constant value - assumed 'value' (this will throw an Error in a future version of PHP) in /in/pomlB on line 7 Warning: A non-numeric value encountered in /in/pomlB on line 7 Warning: Use of undefined constant value - assumed 'value' (this will throw an Error in a future version of PHP) in /in/pomlB on line 7 Warning: A non-numeric value encountered in /in/pomlB on line 7 Warning: Use of undefined constant value - assumed 'value' (this will throw an Error in a future version of PHP) in /in/pomlB on line 7 Warning: A non-numeric value encountered in /in/pomlB on line 7 Warning: Use of undefined constant value - assumed 'value' (this will throw an Error in a future version of PHP) in /in/pomlB on line 7 Warning: A non-numeric value encountered in /in/pomlB on line 7 Warning: Use of undefined constant value - assumed 'value' (this will throw an Error in a future version of PHP) in /in/pomlB on line 7 Warning: A non-numeric value encountered in /in/pomlB on line 7 Warning: Use of undefined constant value - assumed 'value' (this will throw an Error in a future version of PHP) in /in/pomlB on line 7 Warning: A non-numeric value encountered in /in/pomlB on line 7 Warning: Use of undefined constant value - assumed 'value' (this will throw an Error in a future version of PHP) in /in/pomlB on line 7 Warning: A non-numeric value encountered in /in/pomlB on line 7 array(10) { [0]=> int(0) [1]=> int(0) [2]=> int(0) [3]=> int(0) [4]=> int(0) [5]=> int(0) [6]=> int(0) [7]=> int(0) [8]=> int(0) [9]=> &int(0) } array(10) { [0]=> int(0) [1]=> int(0) [2]=> int(0) [3]=> int(0) [4]=> int(0) [5]=> int(0) [6]=> int(0) [7]=> int(0) [8]=> int(0) [9]=> &int(42) }
Output for 7.1.0 - 7.1.20
Notice: Use of undefined constant value - assumed 'value' in /in/pomlB on line 7 Warning: A non-numeric value encountered in /in/pomlB on line 7 Notice: Use of undefined constant value - assumed 'value' in /in/pomlB on line 7 Warning: A non-numeric value encountered in /in/pomlB on line 7 Notice: Use of undefined constant value - assumed 'value' in /in/pomlB on line 7 Warning: A non-numeric value encountered in /in/pomlB on line 7 Notice: Use of undefined constant value - assumed 'value' in /in/pomlB on line 7 Warning: A non-numeric value encountered in /in/pomlB on line 7 Notice: Use of undefined constant value - assumed 'value' in /in/pomlB on line 7 Warning: A non-numeric value encountered in /in/pomlB on line 7 Notice: Use of undefined constant value - assumed 'value' in /in/pomlB on line 7 Warning: A non-numeric value encountered in /in/pomlB on line 7 Notice: Use of undefined constant value - assumed 'value' in /in/pomlB on line 7 Warning: A non-numeric value encountered in /in/pomlB on line 7 Notice: Use of undefined constant value - assumed 'value' in /in/pomlB on line 7 Warning: A non-numeric value encountered in /in/pomlB on line 7 Notice: Use of undefined constant value - assumed 'value' in /in/pomlB on line 7 Warning: A non-numeric value encountered in /in/pomlB on line 7 Notice: Use of undefined constant value - assumed 'value' in /in/pomlB on line 7 Warning: A non-numeric value encountered in /in/pomlB on line 7 array(10) { [0]=> int(0) [1]=> int(0) [2]=> int(0) [3]=> int(0) [4]=> int(0) [5]=> int(0) [6]=> int(0) [7]=> int(0) [8]=> int(0) [9]=> &int(0) } array(10) { [0]=> int(0) [1]=> int(0) [2]=> int(0) [3]=> int(0) [4]=> int(0) [5]=> int(0) [6]=> int(0) [7]=> int(0) [8]=> int(0) [9]=> &int(42) }
Output for 5.4.0 - 7.0.20
Notice: Use of undefined constant value - assumed 'value' in /in/pomlB on line 7 Notice: Use of undefined constant value - assumed 'value' in /in/pomlB on line 7 Notice: Use of undefined constant value - assumed 'value' in /in/pomlB on line 7 Notice: Use of undefined constant value - assumed 'value' in /in/pomlB on line 7 Notice: Use of undefined constant value - assumed 'value' in /in/pomlB on line 7 Notice: Use of undefined constant value - assumed 'value' in /in/pomlB on line 7 Notice: Use of undefined constant value - assumed 'value' in /in/pomlB on line 7 Notice: Use of undefined constant value - assumed 'value' in /in/pomlB on line 7 Notice: Use of undefined constant value - assumed 'value' in /in/pomlB on line 7 Notice: Use of undefined constant value - assumed 'value' in /in/pomlB on line 7 array(10) { [0]=> int(0) [1]=> int(0) [2]=> int(0) [3]=> int(0) [4]=> int(0) [5]=> int(0) [6]=> int(0) [7]=> int(0) [8]=> int(0) [9]=> &int(0) } array(10) { [0]=> int(0) [1]=> int(0) [2]=> int(0) [3]=> int(0) [4]=> int(0) [5]=> int(0) [6]=> int(0) [7]=> int(0) [8]=> int(0) [9]=> &int(42) }
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.3.29
Parse error: syntax error, unexpected '[' in /in/pomlB on line 3
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.4.1, 5.0.0 - 5.0.5
Parse error: parse error, unexpected '[' in /in/pomlB on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/pomlB on line 3
Process exited with code 255.