Commit realizado el 12:13:52 08-04-2024

wp-content/plugins/seo-by-rank-math/includes/helpers/class-html.php

@@ -0,0 +1,79 @@
+<?php
+/**
+ * The HTML helpers.
+ *
+ * @since      1.0.0
+ * @package    RankMath
+ * @subpackage RankMath\Helpers
+ * @author     RankMath <support@rankmath.com>
+ */
+
+namespace RankMath\Helpers;
+
+/**
+ * HTML class.
+ */
+class HTML {
+
+	/**
+	 * Extract attributes from a html tag.
+	 *
+	 * @param string $elem Extract attributes from tag.
+	 *
+	 * @return array
+	 */
+	public static function extract_attributes( $elem ) {
+		$regex = '#([^\s=]+)\s*=\s*(\'[^<\']*\'|"[^<"]*")#';
+		preg_match_all( $regex, $elem, $attributes, PREG_SET_ORDER );
+
+		$new = [];
+		$remaining = $elem;
+		foreach ( $attributes as $attribute ) {
+			$val = substr( $attribute[2], 1, -1 );
+			$new[ $attribute[1] ] = $val;
+			$remaining = str_replace( $attribute[0], '', $remaining );
+		}
+
+		// Chop off tag name.
+		$remaining = preg_replace( '/<[^\s]+/', '', $remaining, 1 );
+		// Check for empty attributes without values.
+		$regex = '/([^<][\w\d:_-]+)[\s>]/i';
+		preg_match_all( $regex, $remaining, $attributes, PREG_SET_ORDER );
+		foreach ( $attributes as $attribute ) {
+			$new[ trim( $attribute[1] ) ] = null;
+		}
+
+		return $new;
+	}
+
+	/**
+	 * Generate html attribute string for array.
+	 *
+	 * @param array  $attributes Contains key/value pair to generate a string.
+	 * @param string $prefix     If you want to append a prefic before every key.
+	 *
+	 * @return string
+	 */
+	public static function attributes_to_string( $attributes = [], $prefix = '' ) {
+
+		// Early Bail!
+		if ( empty( $attributes ) ) {
+			return false;
+		}
+
+		$out = '';
+		foreach ( $attributes as $key => $value ) {
+			if ( true === $value || false === $value ) {
+				$value = $value ? 'true' : 'false';
+			}
+
+			$out .= ' ' . esc_html( $prefix . $key );
+			if ( null === $value ) {
+				continue;
+			}
+			$out .= sprintf( '="%s"', esc_attr( $value ) );
+		}
+
+		return $out;
+	}
+}