3v4l.org

run code in 300+ PHP versions simultaneously
<?php class Base { public function __call($name, array $args) { echo "Hello"; } } class A { 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/aCFYX on line 23
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/aCFYX on line 23
Process exited with code 255.
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