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<?php $string = 'ab.cd.ef.gh.ij.kl.mn.op.qr'; $split = array_map( function($value) { return implode('.', $value); }, // array_chunk(explode('.', $string), 2) ); var_dump($split);
Output for git.master, git.master_jit, rfc.property-hooks
Fatal error: Uncaught ArgumentCountError: array_map() expects at least 2 arguments, 1 given in /in/jmfuh:5 Stack trace: #0 /in/jmfuh(5): array_map(Object(Closure)) #1 {main} thrown in /in/jmfuh on line 5
Process exited with code 255.

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