3v4l.org

run code in 300+ PHP versions simultaneously
<?php class Foo { protected $baz = 'foobar'; public function bar() { self::functionName(); $this->functionName(); } public function functionName() { echo $this->baz . "\n"; } } $f = new Foo(); $f->bar(); $f::functionName();
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
foobar foobar Fatal error: Uncaught Error: Non-static method Foo::functionName() cannot be called statically in /in/8srKc:21 Stack trace: #0 {main} thrown in /in/8srKc on line 21
Process exited with code 255.
Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.25, 7.2.0 - 7.2.33, 7.3.0 - 7.3.31, 7.4.0 - 7.4.33
foobar foobar Deprecated: Non-static method Foo::functionName() should not be called statically in /in/8srKc on line 21 Fatal error: Uncaught Error: Using $this when not in object context in /in/8srKc:15 Stack trace: #0 /in/8srKc(21): Foo::functionName() #1 {main} thrown in /in/8srKc on line 15
Process exited with code 255.
Output for 7.3.32 - 7.3.33
foobar foobar Fatal error: Uncaught Error: Using $this when not in object context in /in/8srKc:15 Stack trace: #0 /in/8srKc(21): Foo::functionName() #1 {main} thrown in /in/8srKc on line 15
Process exited with code 255.
Output for 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.7 - 5.6.28
foobar foobar Strict Standards: Non-static method Foo::functionName() should not be called statically in /in/8srKc on line 21 Fatal error: Using $this when not in object context in /in/8srKc on line 15
Process exited with code 255.

preferences:
213.63 ms | 402 KiB | 243 Q