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run code in 300+ PHP versions simultaneously
<?php $array = [[1,2],[3,4]]; //foreach($array as list($x, $y)) { // echo $x . ' : ' . $y . PHP_EOL; //} while(list($x, $y) = each($array)) { var_dump(x); }
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
Fatal error: Uncaught Error: Call to undefined function each() in /in/RO9FG:9 Stack trace: #0 {main} thrown in /in/RO9FG on line 9
Process exited with code 255.
Output for 7.2.0 - 7.2.33, 7.3.0 - 7.3.31, 7.4.0 - 7.4.33
Deprecated: The each() function is deprecated. This message will be suppressed on further calls in /in/RO9FG on line 9 Warning: Use of undefined constant x - assumed 'x' (this will throw an Error in a future version of PHP) in /in/RO9FG on line 9 string(1) "x" Warning: Use of undefined constant x - assumed 'x' (this will throw an Error in a future version of PHP) in /in/RO9FG on line 9 string(1) "x"
Output for 7.3.32 - 7.3.33
Warning: Use of undefined constant x - assumed 'x' (this will throw an Error in a future version of PHP) in /in/RO9FG on line 9 string(1) "x" Warning: Use of undefined constant x - assumed 'x' (this will throw an Error in a future version of PHP) in /in/RO9FG on line 9 string(1) "x"
Output for 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.8 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.33
Notice: Use of undefined constant x - assumed 'x' in /in/RO9FG on line 9 string(1) "x" Notice: Use of undefined constant x - assumed 'x' in /in/RO9FG on line 9 string(1) "x"
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29
Parse error: syntax error, unexpected '[' in /in/RO9FG on line 3
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.3.11, 4.4.0 - 4.4.1, 5.0.0 - 5.0.5
Parse error: parse error, unexpected '[' in /in/RO9FG on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/RO9FG on line 3
Process exited with code 255.
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267.46 ms | 401 KiB | 343 Q