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<?php $array = ['a','b',0,'c',1,2,'ee',3,4,5,'t','x','w']; $numbers = array_filter($array, 'is_numeric'); var_export($numbers); var_export(array_diff_key($array, $numbers));
Output for git.master, git.master_jit, rfc.property-hooks
array ( 2 => 0, 4 => 1, 5 => 2, 7 => 3, 8 => 4, 9 => 5, )array ( 0 => 'a', 1 => 'b', 3 => 'c', 6 => 'ee', 10 => 't', 11 => 'x', 12 => 'w', )

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