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<?php class Foo { public static $arr = array("test"); function bar( $str ){ var_dump(self::arr[0]); if( is_callable( self::arr[0],true ) ){ self::{self::arr[0]}( $str ); } } static function test($var) { echo "Testing: $var\n"; } } (new Foo)->bar("bla");
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: Undefined constant Foo::arr in /in/2VRUR:7 Stack trace: #0 /in/2VRUR(19): Foo->bar('bla') #1 {main} thrown in /in/2VRUR on line 7
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: Undefined constant Foo::arr in /in/2VRUR:7 Stack trace: #0 /in/2VRUR(19): Foo->bar('bla') #1 {main} thrown in /in/2VRUR on line 7
Process exited with code 255.
Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33
Fatal error: Uncaught Error: Undefined class constant 'arr' in /in/2VRUR:7 Stack trace: #0 /in/2VRUR(19): Foo->bar('bla') #1 {main} thrown in /in/2VRUR on line 7
Process exited with code 255.
Output for 5.6.8 - 5.6.28
Fatal error: Undefined class constant 'arr' in /in/2VRUR on line 7
Process exited with code 255.
Output for 5.5.24 - 5.5.35
Parse error: syntax error, unexpected '[' in /in/2VRUR on line 7
Process exited with code 255.

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