first commit

wp-content/plugins/sitepress-multilingual-cms/classes/xml-config/transform/class-wpml-xml2array.php

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+<?php
+
+class WPML_XML2Array implements WPML_XML_Transform {
+	private $contents;
+	private $get_attributes;
+
+	public function get( $contents, $get_attributes = true ) {
+		$this->contents       = $contents;
+		$this->get_attributes = (bool) $get_attributes;
+
+		$xml_values = array();
+
+		if ( $this->contents && function_exists( 'xml_parser_create' ) ) {
+			$parser = xml_parser_create();
+			xml_parser_set_option( $parser, XML_OPTION_CASE_FOLDING, 0 );
+			xml_parser_set_option( $parser, XML_OPTION_SKIP_WHITE, 1 );
+			xml_parse_into_struct( $parser, $this->contents, $xml_values );
+			xml_parser_free( $parser );
+		}
+
+		// Initializations
+		$xml_array = array();
+
+		$current = &$xml_array;
+
+		// Go through the tags.
+		foreach ( $xml_values as $data ) {
+			unset( $attributes, $value );// Remove existing values, or there will be trouble
+
+			$tag        = $data['tag'];
+			$type       = $data['type'];
+			$level      = $data['level'];
+			$value      = isset( $data['value'] ) ? $data['value'] : '';
+			$attributes = isset( $data['attributes'] ) ? $data['attributes'] : array();
+			$item       = $this->get_item( $value, $attributes );
+
+			// See tag status and do the needed.
+			if ( 'open' === $type ) {// The starting of the tag '<tag>'
+				$parent[ $level - 1 ] = &$current;
+
+				if ( ! is_array( $current ) || ( ! isset( $current[ $tag ] ) ) ) { // Insert New tag
+					$current[ $tag ] = $item;
+					$current         = &$current[ $tag ];
+				} else { // There was another element with the same tag name
+					if ( isset( $current[ $tag ][0] ) ) {
+						$current[ $tag ][] = $item;
+					} else {
+						$current[ $tag ] = array( $current[ $tag ], $item );
+					}
+					$last    = count( $current[ $tag ] ) - 1;
+					$current = &$current[ $tag ][ $last ];
+				}
+			} elseif ( 'complete' === $type ) { // Tags that ends in 1 line '<tag />'
+				// See if the key is already taken.
+				if ( ! isset( $current[ $tag ] ) ) { // New Key
+					$current[ $tag ] = $item;
+				} else { // If taken, put all things inside a list(array)
+					if ( ( is_array( $current[ $tag ] ) && ! $this->get_attributes )// If it is already an array...
+						 || ( isset( $current[ $tag ][0] ) && is_array( $current[ $tag ][0] ) && $this->get_attributes )
+					) {
+						$current[ $tag ][] = $item;
+					} else { // If it is not an array...
+						$current[ $tag ] = array( $current[ $tag ], $item );
+					}
+				}
+			} elseif ( 'close' === $type && isset( $parent ) ) { // End of tag '</tag>'
+				$current = &$parent[ $level - 1 ];
+			}
+		}
+
+		return $xml_array;
+	}
+
+	/**
+	 * @param mixed|null $value
+	 * @param array      $attributes
+	 *
+	 * @return array
+	 */
+	private function get_item( $value, array $attributes ) {
+		$item = array();
+
+		if ( $this->get_attributes ) {// The second argument of the function decides this.
+			if ( null !== $value ) {
+				$item['value'] = $value;
+			}
+
+			if ( null !== $attributes ) {
+				foreach ( $attributes as $attr => $val ) {
+					$item['attr'][ $attr ] = $val;
+				}
+			}
+		} else {
+			$item = $value;
+		}
+
+		return $item;
+	}
+}