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<?php $a=array('a'=>1,'b'=>2,'c'=>3); $b=array('d'=>4); $c=array('a'=>5); print_r($a+$b-$c);
Output for git.master, git.master_jit, rfc.property-hooks
Fatal error: Uncaught TypeError: Unsupported operand types: array - array in /in/KLki8:6 Stack trace: #0 {main} thrown in /in/KLki8 on line 6
Process exited with code 255.

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