3v4l.org

run code in 300+ PHP versions simultaneously
<?php class X { public ${'1'} = 'foo'; } $x = new X(); $prop = 1; var_dump($x->$prop, $x->${"$prop"});
Output for 5.4.0 - 5.4.8
Parse error: syntax error, unexpected '$', expecting variable (T_VARIABLE) in /in/YQ3lq on line 4
Process exited with code 255.
Output for 5.3.0 - 5.3.18
Parse error: syntax error, unexpected '$', expecting T_VARIABLE in /in/YQ3lq on line 4
Process exited with code 255.
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