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<?php class A { static $someFunction; // Throws error. static function foo() { static::${someFunction}(); } // Works static function bar() { $func = static::$someFunction; $func(); } } A::$someFunction = function() { print "wtf\n";}; A::bar(); A::foo();
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.27, 8.2.0 - 8.2.18, 8.3.0 - 8.3.4, 8.3.6
wtf Fatal error: Uncaught Error: Undefined constant "someFunction" in /in/Qvi4J:8 Stack trace: #0 /in/Qvi4J(21): A::foo() #1 {main} thrown in /in/Qvi4J 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 wtf Fatal error: Uncaught Error: Undefined constant "someFunction" in /in/Qvi4J:8 Stack trace: #0 /in/Qvi4J(21): A::foo() #1 {main} thrown in /in/Qvi4J on line 8
Process exited with code 255.
Output for 7.2.0 - 7.2.33, 7.3.0 - 7.3.31, 7.4.0 - 7.4.33
wtf Warning: Use of undefined constant someFunction - assumed 'someFunction' (this will throw an Error in a future version of PHP) in /in/Qvi4J on line 8 Notice: Undefined variable: someFunction in /in/Qvi4J on line 8 Fatal error: Uncaught Error: Function name must be a string in /in/Qvi4J:8 Stack trace: #0 /in/Qvi4J(21): A::foo() #1 {main} thrown in /in/Qvi4J on line 8
Process exited with code 255.
Output for 7.3.32 - 7.3.33
wtf Warning: Use of undefined constant someFunction - assumed 'someFunction' (this will throw an Error in a future version of PHP) in /in/Qvi4J on line 8 Fatal error: Uncaught Error: Function name must be a string in /in/Qvi4J:8 Stack trace: #0 /in/Qvi4J(21): A::foo() #1 {main} thrown in /in/Qvi4J on line 8
Process exited with code 255.
Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.33
wtf Notice: Use of undefined constant someFunction - assumed 'someFunction' in /in/Qvi4J on line 8 Notice: Undefined variable: someFunction in /in/Qvi4J on line 8 Fatal error: Uncaught Error: Function name must be a string in /in/Qvi4J:8 Stack trace: #0 /in/Qvi4J(21): A::foo() #1 {main} thrown in /in/Qvi4J on line 8
Process exited with code 255.
Output for 5.5.24 - 5.5.35, 5.6.8 - 5.6.28
wtf Notice: Use of undefined constant someFunction - assumed 'someFunction' in /in/Qvi4J on line 8 Notice: Undefined variable: someFunction in /in/Qvi4J on line 8 Fatal error: Function name must be a string in /in/Qvi4J on line 8
Process exited with code 255.

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