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<?php class Foo { public function fooMethod() { if (isset($this)) { echo get_class($this); } else { echo "no \$this"; } $class = __CLASS__; if ($this instanceof $class) { echo "instance of $class"; } else { echo "not instanceof of $class"; } } } class Bar { function barMethod() { Foo::fooMethod(); } } $bar = new Bar; $bar->barMethod();
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.27, 8.2.0 - 8.2.17, 8.3.0 - 8.3.4
Fatal error: Uncaught Error: Non-static method Foo::fooMethod() cannot be called statically in /in/gZpeu:22 Stack trace: #0 /in/gZpeu(27): Bar->barMethod() #1 {main} thrown in /in/gZpeu on line 22
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 Foo::fooMethod() should not be called statically in /in/gZpeu on line 22 no $this Fatal error: Uncaught Error: Using $this when not in object context in /in/gZpeu:12 Stack trace: #0 /in/gZpeu(22): Foo::fooMethod() #1 /in/gZpeu(27): Bar->barMethod() #2 {main} thrown in /in/gZpeu on line 12
Process exited with code 255.
Output for 7.3.32 - 7.3.33
no $this Fatal error: Uncaught Error: Using $this when not in object context in /in/gZpeu:12 Stack trace: #0 /in/gZpeu(22): Foo::fooMethod() #1 /in/gZpeu(27): Bar->barMethod() #2 {main} thrown in /in/gZpeu on line 12
Process exited with code 255.
Output for 7.0.0 - 7.0.33
Deprecated: Non-static method Foo::fooMethod() should not be called statically in /in/gZpeu on line 22 no $this Notice: Undefined variable: this in /in/gZpeu on line 12 not instanceof of Foo
Output for 5.6.0 - 5.6.40
Deprecated: Non-static method Foo::fooMethod() should not be called statically, assuming $this from incompatible context in /in/gZpeu on line 22 Barnot instanceof of Foo
Output for 5.4.0 - 5.4.45, 5.5.0 - 5.5.38
Strict Standards: Non-static method Foo::fooMethod() should not be called statically, assuming $this from incompatible context in /in/gZpeu on line 22 Barnot instanceof of Foo

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