Introducing coding standards validation.

vendor/wp-coding-standards/wpcs/WordPress/Sniffs/Functions/FunctionRestrictionsSniff.php

@@ -0,0 +1,48 @@
+<?php
+/**
+ * WordPress Coding Standard.
+ *
+ * @package WPCS\WordPressCodingStandards
+ * @link    https://github.com/WordPress-Coding-Standards/WordPress-Coding-Standards
+ * @license https://opensource.org/licenses/MIT MIT
+ */
+
+namespace WordPress\Sniffs\Functions;
+
+use WordPress\AbstractFunctionRestrictionsSniff;
+
+/**
+ * Restricts usage of some functions.
+ *
+ * @package    WPCS\WordPressCodingStandards
+ *
+ * @since      0.3.0
+ * @since      0.13.0 Class name changed: this class is now namespaced.
+ *
+ * @deprecated 0.10.0 The functionality which used to be contained in this class has been moved to
+ *                    the WordPress_AbstractFunctionRestrictionsSniff class.
+ *                    This class is left here to prevent backward-compatibility breaks for
+ *                    custom sniffs extending the old class and references to this
+ *                    sniff from custom phpcs.xml files.
+ * @see        \WordPress\AbstractFunctionRestrictionsSniff
+ */
+class FunctionRestrictionsSniff extends AbstractFunctionRestrictionsSniff {
+
+	/**
+	 * Groups of functions to restrict.
+	 *
+	 * Example: groups => array(
+	 *  'lambda' => array(
+	 *      'type'      => 'error' | 'warning',
+	 *      'message'   => 'Use anonymous functions instead please!',
+	 *      'functions' => array( 'file_get_contents', 'create_function' ),
+	 *  )
+	 * )
+	 *
+	 * @return array
+	 */
+	public function getGroups() {
+		return array();
+	}
+
+}