3v4l.org

run code in 300+ PHP versions simultaneously
<?php abstract class parent { protected static $config=1; protected static $db; } class x extends parent { public function __construct() { static::$config='x'; echo (static::$config); public function echo() { echo (static::$config); } } } class y extends parent { public function __construct() { static::$config='y'; echo (static::$config); } public function echo() { echo (static::$config); } } $x=new x(); $y=new y();
Output for 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.32
Fatal error: Cannot use 'parent' as class name as it is reserved in /in/68Qvn on line 5
Process exited with code 255.
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected T_CLASS in /in/68Qvn on line 5
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.3.11, 4.4.0 - 4.4.1
Parse error: parse error, unexpected T_CLASS in /in/68Qvn on line 5
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/68Qvn on line 5
Process exited with code 255.

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