<?php /** * Utility functions dealing with arrays */ /** * Drop-in replacement for array_unique(), designed to operate on an array of arrays * where each inner array is populated with strings (or types that can be stringified * while essentially keeping their unique value). * * @param array $original array_of_arrays * * @return array */ function tribe_array_unique( array $original ) { $unique = []; foreach ( $original as $inner ) { $unique[ join( '|', $inner ) ] = $inner; } return array_values( $unique ); }