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<?php $a = array(1,2,3,4); $b = array(5,6,7); print_r($a,$b);
Output for git.master, git.master_jit, rfc.property-hooks
Fatal error: Uncaught TypeError: print_r(): Argument #2 ($return) must be of type bool, array given in /in/9BgQb:6 Stack trace: #0 /in/9BgQb(6): print_r(Array, Array) #1 {main} thrown in /in/9BgQb on line 6
Process exited with code 255.

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