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<?php function add($zahl, $zaehl){ return zahl - zaehl; } echo add(21, 21);
Output for git.master, git.master_jit, rfc.property-hooks
Fatal error: Uncaught Error: Undefined constant "zahl" in /in/NafUX:4 Stack trace: #0 /in/NafUX(8): add(21, 21) #1 {main} thrown in /in/NafUX on line 4
Process exited with code 255.

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