3v4l.org

run code in 300+ PHP versions simultaneously
<?php class Base { public function __call($n,array$p) { echo __METHOD__.' says: '.$n; } } class A extends Base { public function Launch() { debug_print_backtrace(); } } $A = new A; //$A->somestrange(); $A->'Launch'(); ?>
Output for 5.4.0 - 5.4.13
Parse error: syntax error, unexpected ''Launch'' (T_CONSTANT_ENCAPSED_STRING), expecting identifier (T_STRING) or variable (T_VARIABLE) or '{' or '$' in /in/G1u4i on line 24
Process exited with code 255.
Output for 5.3.0 - 5.3.23
Parse error: syntax error, unexpected T_CONSTANT_ENCAPSED_STRING, expecting T_STRING or T_VARIABLE or '{' or '$' in /in/G1u4i on line 24
Process exited with code 255.
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181.23 ms | 1399 KiB | 45 Q