3v4l.org

run code in 300+ PHP versions simultaneously
<?php class a{ function d() { echo "=== self::class ===\n"; var_dump(self::class); echo "=== static::class ===\n"; var_dump(static::class); } } class b extends a{} class c extends b{} a::d(); b::d(); c::d();
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Fatal error: Uncaught Error: Non-static method a::d() cannot be called statically in /in/QkmSS:14 Stack trace: #0 {main} thrown in /in/QkmSS on line 14
Process exited with code 255.
Output for 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.31, 7.4.0 - 7.4.33
Deprecated: Non-static method a::d() should not be called statically in /in/QkmSS on line 14 === self::class === string(1) "a" === static::class === string(1) "a" Deprecated: Non-static method a::d() should not be called statically in /in/QkmSS on line 15 === self::class === string(1) "a" === static::class === string(1) "b" Deprecated: Non-static method a::d() should not be called statically in /in/QkmSS on line 16 === self::class === string(1) "a" === static::class === string(1) "c"
Output for 7.3.32 - 7.3.33
=== self::class === string(1) "a" === static::class === string(1) "a" === self::class === string(1) "a" === static::class === string(1) "b" === self::class === string(1) "a" === static::class === string(1) "c"
Output for 5.5.0 - 5.5.38, 5.6.0 - 5.6.40
Strict Standards: Non-static method a::d() should not be called statically in /in/QkmSS on line 14 === self::class === string(1) "a" === static::class === string(1) "a" Strict Standards: Non-static method a::d() should not be called statically in /in/QkmSS on line 15 === self::class === string(1) "a" === static::class === string(1) "b" Strict Standards: Non-static method a::d() should not be called statically in /in/QkmSS on line 16 === self::class === string(1) "a" === static::class === string(1) "c"

preferences:
256.3 ms | 405 KiB | 330 Q