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<?php $main_category_currency = 1; $children = array( array('id_category'=>10), array('id_category'=>15), ); function map($child) { return $child['id_category']; } $categories = array_unique(array_merge( array($main_category_currency), array_map(map,$children) ), SORT_NUMERIC); var_dump($categories);
Output for git.master, git.master_jit, rfc.property-hooks
Fatal error: Uncaught Error: Undefined constant "map" in /in/gNBoR:13 Stack trace: #0 {main} thrown in /in/gNBoR on line 13
Process exited with code 255.

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