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run code in 300+ PHP versions simultaneously
<?php $hash->{"123"} = "123"; var_dump($hash); echo $hash->{'123};
Output for 5.4.0 - 5.4.32
Parse error: syntax error, unexpected ''123};' (T_ENCAPSED_AND_WHITESPACE) in /in/bX8Ck on line 4
Process exited with code 255.
Output for 5.3.0 - 5.3.29
Parse error: syntax error, unexpected T_ENCAPSED_AND_WHITESPACE in /in/bX8Ck on line 4
Process exited with code 255.
Output for 5.2.3 - 5.2.17
Warning: Unexpected character in input: ''' (ASCII=39) state=1 in /in/bX8Ck on line 4 Strict Standards: Creating default object from empty value in /in/bX8Ck on line 2 object(stdClass)#1 (1) { ["123"]=> string(3) "123" } 123
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.1.6, 5.2.0 - 5.2.2
Parse error: syntax error, unexpected $end in /in/bX8Ck 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/bX8Ck on line 4
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/bX8Ck on line 4
Process exited with code 255.

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