3v4l.org

run code in 300+ PHP versions simultaneously
<?php function returnVariable(){ $foo = 1; try{ return &$foo; } finally { $foo++; debug_zval_dump($foo); } } function returnVariablePlusZero(){ $foo = 1; try{ return $foo + 0; } finally { $foo++; } } var_dump(returnVariable(), returnVariablePlusZero());
Output for 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.35
Parse error: syntax error, unexpected '&' in /in/NtHq5 on line 6
Process exited with code 255.
Output for 5.0.0 - 5.0.5
Parse error: parse error, unexpected '&' in /in/NtHq5 on line 6
Process exited with code 255.
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected '{' in /in/NtHq5 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
Parse error: parse error, unexpected '{' in /in/NtHq5 on line 5
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/NtHq5 on line 5
Process exited with code 255.
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