first commit

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

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+<?php
+
+/**
+ * @author OnTheGo Systems
+ */
+class WPML_XML_Config_Validate {
+	/**
+	 * @var \LibXMLError[]
+	 */
+	private $errors = [];
+	private $path_to_xsd;
+
+	function __construct( $path_to_xsd = null ) {
+		$this->path_to_xsd = $path_to_xsd ? realpath( $path_to_xsd ) : null;
+	}
+
+	/**
+	 * @return \LibXMLError[]
+	 */
+	public function get_errors() {
+		return $this->errors;
+	}
+
+	/**
+	 * @param string $file_full_path
+	 *
+	 * @return bool
+	 */
+	function from_file( $file_full_path ) {
+		$this->errors = array();
+
+		$xml = file_get_contents( $file_full_path );
+
+		return $this->from_string( $xml );
+	}
+
+	/**
+	 * @param string $xml
+	 *
+	 * @return bool
+	 */
+	function from_string( $xml ) {
+		if ( '' === preg_replace( '/(\W)+/', '', $xml ) ) {
+			return false;
+		}
+
+		$this->errors = array();
+
+		libxml_use_internal_errors( true );
+
+		$xml_object = $this->get_xml( $xml );
+		if ( $this->path_to_xsd && ! $xml_object->schemaValidate( $this->path_to_xsd ) ) {
+			$this->errors = libxml_get_errors();
+		}
+
+		libxml_clear_errors();
+
+		return count($this->errors) === 0;
+	}
+
+	/**
+	 * @param string $content The string representation of the XML file
+	 *
+	 * @return DOMDocument
+	 */
+	private function get_xml( $content ) {
+		$xml = new DOMDocument();
+		$xml->loadXML( $content );
+
+		return $xml;
+	}
+}