تابع ووکامرسی wc_array_cartesian پیدا کردن تمامی داده های ترکیبی آرایه

تابع ووکامرسی wc_array_cartesian – استخراج دادهای ترکیبی آرایه ای woocommerce

(array) wc_array_cartesian( (array) $input ); 

if ( !function_exists( 'wc_array_cartesian' ) ) { 
    require_once ABSPATH . PLUGINDIR . 'woocommerce/includes/wc-core-functions.php'; 
} 
  
// The input. 
$input = array(); 
  
// NOTICE! Understand what this does before running. 
$result = wc_array_cartesian($input); 
    

function wc_array_cartesian( $input ) { 
    $input = array_filter( $input ); 
    $results = array(); 
    $indexes = array(); 
    $index = 0; 
 
    // Generate indexes from keys and values so we have a logical sort order 
    foreach ( $input as $key => $values ) { 
        foreach ( $values as $value ) { 
            $indexes[ $key ][ $value ] = $index++; 
        } 
    } 
 
    // Loop over the 2D array of indexes and generate all combinations 
    foreach ( $indexes as $key => $values ) { 
        // When result is empty, fill with the values of the first looped array 
        if ( empty( $results ) ) { 
            foreach ( $values as $value ) { 
                $results[] = array( $key => $value ); 
            } 
 
        // Second and subsequent input sub-array merging. 
        } else { 
            foreach ( $results as $result_key => $result ) { 
                foreach ( $values as $value ) { 
                    // If the key is not set, we can set it 
                    if ( ! isset( $results[ $result_key ][ $key ] ) ) { 
                        $results[ $result_key ][ $key ] = $value; 
                    // If the key is set, we can add a new combination to the results array 
                    } else { 
                        $new_combination = $results[ $result_key ]; 
                        $new_combination[ $key ] = $value; 
                        $results[] = $new_combination; 
                    } 
                } 
            } 
        } 
    } 
 
    // Sort the indexes 
    arsort( $results ); 
 
    // Convert indexes back to values 
    foreach ( $results as $result_key => $result ) { 
        $converted_values = array(); 
 
        // Sort the values 
        arsort( $results[ $result_key ] ); 
 
        // Convert the values 
        foreach ( $results[ $result_key ] as $key => $value ) { 
            $converted_values[ $key ] = array_search( $value, $indexes[ $key ] ); 
        } 
 
        $results[ $result_key ] = $converted_values; 
    } 
 
    return $results; 
}