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run code in 300+ PHP versions simultaneously
<?php function foo() { $myBar = []; foreach (range(0, 10) as $i) { $myBar[] = $i . ' cats'; } return $myBar; } var_dump(foo());
Output for 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 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 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
array(11) { [0]=> string(6) "0 cats" [1]=> string(6) "1 cats" [2]=> string(6) "2 cats" [3]=> string(6) "3 cats" [4]=> string(6) "4 cats" [5]=> string(6) "5 cats" [6]=> string(6) "6 cats" [7]=> string(6) "7 cats" [8]=> string(6) "8 cats" [9]=> string(6) "9 cats" [10]=> string(7) "10 cats" }
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/eOfe7 on line 4
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/eOfe7 on line 4
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/eOfe7 on line 4
Process exited with code 255.

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