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run code in 300+ PHP versions simultaneously
<?php extract([ "abcdefg" => 'a', "\x7f" => 'b', "zxcvbn\x7f" => 'c' ]); var_dump(array_keys($GLOBALS));
Output for 8.1.0 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.25, 8.4.1 - 8.4.12
array(8) { [0]=> string(4) "_GET" [1]=> string(5) "_POST" [2]=> string(7) "_COOKIE" [3]=> string(6) "_FILES" [4]=> string(4) "argv" [5]=> string(4) "argc" [6]=> string(7) "_SERVER" [7]=> string(7) "abcdefg" }
Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.2.0 - 7.2.33, 7.3.16 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30
array(9) { [0]=> string(4) "_GET" [1]=> string(5) "_POST" [2]=> string(7) "_COOKIE" [3]=> string(6) "_FILES" [4]=> string(4) "argv" [5]=> string(4) "argc" [6]=> string(7) "_SERVER" [7]=> string(7) "GLOBALS" [8]=> string(7) "abcdefg" }
Output for 5.4.0 - 5.4.45, 5.5.0 - 5.5.37, 5.6.0 - 5.6.28
array(11) { [0]=> string(4) "_GET" [1]=> string(5) "_POST" [2]=> string(7) "_COOKIE" [3]=> string(6) "_FILES" [4]=> string(4) "argv" [5]=> string(4) "argc" [6]=> string(7) "_SERVER" [7]=> string(7) "GLOBALS" [8]=> string(7) "abcdefg" [9]=> string(1) "" [10]=> string(7) "zxcvbn" }
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 '[', expecting ')' in /in/ZC9ZA 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 '[', expecting ')' in /in/ZC9ZA on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `')'' in /in/ZC9ZA on line 3
Process exited with code 255.

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