3v4l.org

run code in 300+ PHP versions simultaneously
<?php class test { var $a = "ok"; function test() { $a = "OK" $this->a; } } $test = new test(); echo $test->test();
Output for 5.4.0 - 5.4.9
Parse error: syntax error, unexpected '$this' (T_VARIABLE) in /in/9mltD on line 7
Process exited with code 255.
Output for 5.3.0 - 5.3.19
Parse error: syntax error, unexpected T_VARIABLE in /in/9mltD on line 7
Process exited with code 255.
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