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<?php function reducea($a1,$b1){ return $b1+$a1; } $arr =array("dog","cat","milk"); print_r(array_reduce($arr,"reducea"));
Output for git.master, git.master_jit, rfc.property-hooks
Fatal error: Uncaught TypeError: Unsupported operand types: string + null in /in/nrUcn:3 Stack trace: #0 [internal function]: reducea(NULL, 'dog') #1 /in/nrUcn(6): array_reduce(Array, 'reducea') #2 {main} thrown in /in/nrUcn on line 3
Process exited with code 255.

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