3v4l.org

run code in 300+ PHP versions simultaneously
<?php namespace MyProject; $classname='p'; function get($classname) { $a = __NAMESPACE__ . '\\' . $classname; return new $a; echo MyProject\$a; } ?>
Output for 5.4.0 - 5.4.19
Parse error: syntax error, unexpected '$a' (T_VARIABLE), expecting identifier (T_STRING) in /in/uDVG6 on line 9
Process exited with code 255.
Output for 5.3.0 - 5.3.27
Parse error: syntax error, unexpected T_VARIABLE, expecting T_STRING in /in/uDVG6 on line 9
Process exited with code 255.
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169.72 ms | 1395 KiB | 55 Q