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<?php |
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/** |
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* Array utility methods. |
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* |
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* @since 5.4.0 |
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* @package WP_Defender |
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*/ |
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|
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namespace WP_Defender\Traits; |
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|
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/** |
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* Trait for array utility methods. |
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*/ |
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trait Array_Utils { |
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|
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/** |
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* Deep comparison of two arrays that can handle nested arrays and objects. |
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* |
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* @param mixed $old_data Old data to compare. |
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* @param mixed $new_data New data to compare. |
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* |
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* @return bool True if arrays differ, false if they are the same. |
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*/ |
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protected function arrays_differ_deeply( $old_data, $new_data ) { |
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// If types are different, they differ. |
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if ( gettype( $old_data ) !== gettype( $new_data ) ) { |
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return true; |
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} |
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|
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// Handle non-array types. |
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if ( ! is_array( $old_data ) ) { |
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return $old_data !== $new_data; |
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} |
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|
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// Handle arrays - normalize and compare. |
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$old_normalized = $this->normalize_array( $old_data ); |
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$new_normalized = $this->normalize_array( $new_data ); |
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|
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// Compare array sizes first. |
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if ( count( $old_normalized ) !== count( $new_normalized ) ) { |
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return true; |
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} |
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|
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// Compare each key-value pair. |
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foreach ( $old_normalized as $key => $value ) { |
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if ( ! array_key_exists( $key, $new_normalized ) ) { |
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return true; |
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} |
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|
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if ( $this->arrays_differ_deeply( $value, $new_normalized[ $key ] ) ) { |
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return true; |
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} |
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} |
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|
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return false; |
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} |
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|
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/** |
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* Normalize array for comparison by sorting arrays and handling special cases. |
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* |
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* @param array $data_array Array to normalize. |
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* |
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* @return array Normalized array. |
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*/ |
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protected function normalize_array( $data_array ) { |
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if ( ! is_array( $data_array ) ) { |
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return $data_array; |
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} |
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|
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$normalized = array(); |
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|
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foreach ( $data_array as $key => $value ) { |
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if ( is_array( $value ) ) { |
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// For indexed arrays (like preset values), sort to handle order differences. |
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if ( array_keys( $value ) === range( 0, count( $value ) - 1 ) ) { |
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sort( $value ); |
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} |
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$normalized[ $key ] = $this->normalize_array( $value ); |
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} else { |
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$normalized[ $key ] = $value; |
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} |
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} |
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|
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// Sort associative arrays by key for consistent comparison. |
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if ( array() !== $normalized ) { |
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ksort( $normalized ); |
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} |
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|
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return $normalized; |
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} |
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} |
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|
