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run code in 300+ PHP versions simultaneously
<?php class AliasPool { protected static $i = 0; public static function get () { $alias = ''; $j = self::$i; $done = false; while (!$done) { if ($j < 26) { $done = true; } $alias = chr(($j % 26) + ord('a')) . $alias; $j = floor($j / 26); } self::$i++; return $alias; } } for ($i = 0; $i < 60; ++$i) { var_dump(AliasPool::get()); print "\n"; }
Output for 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.7 - 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
string(1) "a" string(1) "b" string(1) "c" string(1) "d" string(1) "e" string(1) "f" string(1) "g" string(1) "h" string(1) "i" string(1) "j" string(1) "k" string(1) "l" string(1) "m" string(1) "n" string(1) "o" string(1) "p" string(1) "q" string(1) "r" string(1) "s" string(1) "t" string(1) "u" string(1) "v" string(1) "w" string(1) "x" string(1) "y" string(1) "z" string(2) "ba" string(2) "bb" string(2) "bc" string(2) "bd" string(2) "be" string(2) "bf" string(2) "bg" string(2) "bh" string(2) "bi" string(2) "bj" string(2) "bk" string(2) "bl" string(2) "bm" string(2) "bn" string(2) "bo" string(2) "bp" string(2) "bq" string(2) "br" string(2) "bs" string(2) "bt" string(2) "bu" string(2) "bv" string(2) "bw" string(2) "bx" string(2) "by" string(2) "bz" string(2) "ca" string(2) "cb" string(2) "cc" string(2) "cd" string(2) "ce" string(2) "cf" string(2) "cg" string(2) "ch"
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected T_STRING, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in /in/rhVJf 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
Parse error: parse error, unexpected T_STRING, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in /in/rhVJf on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `T_OLD_FUNCTION' or `T_FUNCTION' or `T_VAR' or `'}'' in /in/rhVJf on line 3
Process exited with code 255.

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