3v4l.org

run code in 300+ PHP versions simultaneously
<?php class A { public function foo() { echo "bar"; } } $a = new A; $a->"foo"();
Output for 5.4.0 - 5.4.8
Parse error: syntax error, unexpected '"foo"' (T_CONSTANT_ENCAPSED_STRING), expecting identifier (T_STRING) or variable (T_VARIABLE) or '{' or '$' in /in/iAb7W on line 13
Process exited with code 255.
Output for 5.3.0 - 5.3.18
Parse error: syntax error, unexpected T_CONSTANT_ENCAPSED_STRING, expecting T_STRING or T_VARIABLE or '{' or '$' in /in/iAb7W on line 13
Process exited with code 255.
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