3v4l.org

run code in 300+ PHP versions simultaneously
<?php class a { function doIt() { echo __CLASS__ . "\n"; print_r($this); } } class b { function live() { a::doIt(); } } $b = new b; $b->live();
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::doIt() cannot be called statically in /in/on96H:15 Stack trace: #0 /in/on96H(21): b->live() #1 {main} thrown in /in/on96H on line 15
Process exited with code 255.
Output for 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::doIt() should not be called statically in /in/on96H on line 15 a Fatal error: Uncaught Error: Using $this when not in object context in /in/on96H:7 Stack trace: #0 /in/on96H(15): a::doIt() #1 /in/on96H(21): b->live() #2 {main} thrown in /in/on96H on line 7
Process exited with code 255.
Output for 7.3.32 - 7.3.33
a Fatal error: Uncaught Error: Using $this when not in object context in /in/on96H:7 Stack trace: #0 /in/on96H(15): a::doIt() #1 /in/on96H(21): b->live() #2 {main} thrown in /in/on96H on line 7
Process exited with code 255.
Output for 7.0.0 - 7.0.33
Deprecated: Non-static method a::doIt() should not be called statically in /in/on96H on line 15 a Notice: Undefined variable: this in /in/on96H on line 7
Output for 5.6.0 - 5.6.40
Deprecated: Non-static method a::doIt() should not be called statically, assuming $this from incompatible context in /in/on96H on line 15 a b Object ( )
Output for 5.1.3 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38
Strict Standards: Non-static method a::doIt() should not be called statically, assuming $this from incompatible context in /in/on96H on line 15 a b Object ( )
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.2
a b Object ( )

preferences:
266.27 ms | 402 KiB | 460 Q