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run code in 300+ PHP versions simultaneously
<?php $a = new StdClass; $b = &$a; $c = &$b; unset $b; var_dump($a, $b, $c); ?>
Output for 5.4.0 - 5.4.32
Parse error: syntax error, unexpected '$b' (T_VARIABLE), expecting '(' in /in/pcacZ on line 5
Process exited with code 255.
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 T_VARIABLE, expecting '(' in /in/pcacZ on line 5
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 T_VARIABLE, expecting '(' in /in/pcacZ on line 5
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `'('' in /in/pcacZ on line 5
Process exited with code 255.
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200.44 ms | 940 KiB | 124 Q