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<?php class A { function foo() { var_dump(get_class($this)); } } class B { function bar() { A::foo(); } } B::bar();
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.4, 8.3.6
Fatal error: Uncaught Error: Non-static method B::bar() cannot be called statically in /in/IMSeV:8 Stack trace: #0 {main} thrown in /in/IMSeV on line 8
Process exited with code 255.
Output for 8.3.5
Warning: PHP Startup: Unable to load dynamic library 'sodium.so' (tried: /usr/lib/php/8.3.5/modules/sodium.so (libsodium.so.23: cannot open shared object file: No such file or directory), /usr/lib/php/8.3.5/modules/sodium.so.so (/usr/lib/php/8.3.5/modules/sodium.so.so: cannot open shared object file: No such file or directory)) in Unknown on line 0 Fatal error: Uncaught Error: Non-static method B::bar() cannot be called statically in /in/IMSeV:8 Stack trace: #0 {main} thrown in /in/IMSeV on line 8
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 B::bar() should not be called statically in /in/IMSeV on line 8 Deprecated: Non-static method A::foo() should not be called statically in /in/IMSeV on line 6 Fatal error: Uncaught Error: Using $this when not in object context in /in/IMSeV:3 Stack trace: #0 /in/IMSeV(6): A::foo() #1 /in/IMSeV(8): B::bar() #2 {main} thrown in /in/IMSeV on line 3
Process exited with code 255.
Output for 7.3.32 - 7.3.33
Fatal error: Uncaught Error: Using $this when not in object context in /in/IMSeV:3 Stack trace: #0 /in/IMSeV(6): A::foo() #1 /in/IMSeV(8): B::bar() #2 {main} thrown in /in/IMSeV on line 3
Process exited with code 255.
Output for 7.0.0 - 7.0.33
Deprecated: Non-static method B::bar() should not be called statically in /in/IMSeV on line 8 Deprecated: Non-static method A::foo() should not be called statically in /in/IMSeV on line 6 Notice: Undefined variable: this in /in/IMSeV on line 3 string(1) "A"
Output for 5.5.0 - 5.5.38, 5.6.0 - 5.6.40
Strict Standards: Non-static method B::bar() should not be called statically in /in/IMSeV on line 8 Strict Standards: Non-static method A::foo() should not be called statically in /in/IMSeV on line 6 Notice: Undefined variable: this in /in/IMSeV on line 3 string(1) "A"

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