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<?php preg_replace('/ab/', ['x', 'y'], 'ab');
Output for git.master, git.master_jit, rfc.property-hooks
Fatal error: Uncaught TypeError: preg_replace(): Argument #1 ($pattern) must be of type array when argument #2 ($replacement) is an array, string given in /in/O8O7T:3 Stack trace: #0 /in/O8O7T(3): preg_replace('/ab/', Array, 'ab') #1 {main} thrown in /in/O8O7T on line 3
Process exited with code 255.

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