3v4l.org

run code in 300+ PHP versions simultaneously
<?php error_reporting(E_ALL); class a { var $x = 'labas'; function c() { echo this->$x; //echo self::b('aaa'); } } a::c();
Output for 8.1.23 - 8.1.28, 8.2.10 - 8.2.18, 8.3.0 - 8.3.6
Fatal error: Uncaught Error: Non-static method a::c() cannot be called statically in /in/a9f3Z:13 Stack trace: #0 {main} thrown in /in/a9f3Z on line 13
Process exited with code 255.
Output for 5.4.0 - 5.4.27, 5.5.0 - 5.5.11
Parse error: syntax error, unexpected '->' (T_OBJECT_OPERATOR), expecting ',' or ';' in /in/a9f3Z on line 8
Process exited with code 255.
Output for 5.3.0 - 5.3.28
Parse error: syntax error, unexpected T_OBJECT_OPERATOR, expecting ',' or ';' in /in/a9f3Z on line 8
Process exited with code 255.
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