3v4l.org

run code in 300+ PHP versions simultaneously
<?php error_reporting(E_ALL); class a { function a() { echo "CONSTRUCTOR CALLED\r\n"; } function b($var) { return $var . 'x'; } function c() { echo self::b('aaa'); } } a::c();
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.7
Fatal error: Uncaught Error: Non-static method a::c() cannot be called statically in /in/1aYQ3:19 Stack trace: #0 {main} thrown in /in/1aYQ3 on line 19
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: Methods with the same name as their class will not be constructors in a future version of PHP; a has a deprecated constructor in /in/1aYQ3 on line 5 Deprecated: Non-static method a::c() should not be called statically in /in/1aYQ3 on line 19 Deprecated: Non-static method a::b() should not be called statically in /in/1aYQ3 on line 15 aaax
Output for 7.3.32 - 7.3.33
Deprecated: Non-static method a::c() should not be called statically in /in/1aYQ3 on line 19 Deprecated: Non-static method a::b() should not be called statically in /in/1aYQ3 on line 15 aaax
Output for 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40
Strict Standards: Non-static method a::c() should not be called statically in /in/1aYQ3 on line 19 Strict Standards: Non-static method a::b() should not be called statically in /in/1aYQ3 on line 15 aaax
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
aaax
Output for 4.3.2 - 4.3.11, 4.4.0 - 4.4.9
Fatal error: Undefined class name 'self' in /in/1aYQ3 on line 15
Process exited with code 255.
Output for 4.3.0 - 4.3.1
Fatal error: Undefined class name 'self' in /in/1aYQ3 on line 15

preferences:
243.38 ms | 401 KiB | 461 Q