3v4l.org

run code in 300+ PHP versions simultaneously
<?php class A { } class B extends A { public static function b() { var_dump(self::class, static::class, parent::class); } } B::b();
Output for 8.1.23 - 8.1.28, 8.2.10 - 8.2.18, 8.3.0 - 8.3.6
string(1) "B" string(1) "B" string(1) "A"
Output for 5.4.0 - 5.4.26
Parse error: syntax error, unexpected 'class' (T_CLASS), expecting identifier (T_STRING) or variable (T_VARIABLE) or '{' or '$' in /in/hlYKr on line 11
Process exited with code 255.
Output for 5.3.0 - 5.3.28
Parse error: syntax error, unexpected T_CLASS, expecting T_STRING or T_VARIABLE or '$' in /in/hlYKr on line 11
Process exited with code 255.

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