Ticket #50867: 50867.2.diff

src/wp-includes/class-html-builder-dangerous-html.php

@@ +1 @@
+<?php
+
+class WP_HTML_Builder_Dangerous_HTML extends WP_HTML_Builder_Node {
+        public function __construct( $html ) {
+                $this->html = $html;
+        }
+
+        public function to_html() {
+                return $this->html;
+        }
+}

src/wp-includes/class-html-builder-element.php

@@ +1 @@
+<?php
+
+class WP_HTML_Builder_Element extends WP_HTML_Builder_Node {
+        protected $tag_name;
+
+        protected $attributes = array();
+
+        protected $children = array();
+
+        public function __construct( $tag_name, $attributes = null, $children = null ) {
+                $this->tag_name = $tag_name;
+
+                if ( is_array( $attributes ) ) {
+                        $this->attributes = $attributes;
+                } elseif ( $attributes ) {
+                        $this->attributes = array( $attributes );
+                }
+
+                if ( is_array( $children ) ) {
+                        $this->children = $children;
+                } elseif ( $children ) {
+                        $this->children = array( $children );
+                }
+        }
+
+        public function to_html() {
+                $html = '<' . esc_html( $this->tag_name );
+
+                if ( ! empty( $this->attributes ) ) {
+                        foreach ( $this->attributes as $attribute_name => $attribute_value ) {
+                                if ( is_int( $attribute_name ) ) {
+                                        $html .= ' ' . esc_html( $attribute_value );
+                                } else {
+                                        $html .= sprintf(
+                                                ' %s="%s"',
+                                                esc_html( $attribute_name ),
+                                                esc_attr( $attribute_value )
+                                        );
+                                }
+                        }
+                }
+
+                if ( empty( $this->children ) ) {
+                        $html .= ' />';
+                } else {
+                        $html .= '>';
+
+                        foreach ( $this->children as $child ) {
+                                if ( $child instanceof WP_HTML_Builder_Node ) {
+                                        $html .= $child->to_html();
+                                } else {
+                                        $html .= esc_html( $child );
+                                }
+                        }
+
+                        $html .= '</' . esc_html( $this->tag_name ) . '>';
+                }
+
+                return $html;
+        }
+}

src/wp-includes/class-html-builder-node.php

@@ +1 @@
+<?php
+
+abstract class WP_HTML_Builder_Node {
+        abstract public function to_html();
+
+        public function __toString() {
+                return $this->to_html();
+        }
+}

src/wp-includes/formatting.php

@@ -6060 +6060 @@
 
         return $color;
 }
+
+function wp_el( $tag_name, $attributes = null, $children = null ) {
+        return new WP_HTML_Builder_Element( $tag_name, $attributes, $children );
+}
+
+function wp_dangerous_html( $html ) {
+        return new WP_HTML_Builder_Dangerous_HTML( $html );
+}
+
+function wp_classnames( ...$arguments ) {
+        $classes = array();
+
+        foreach ( $arguments as $argument ) {
+                if ( is_array( $argument ) ) {
+                        foreach ( $argument as $key => $value ) {
+                                if ( is_int( $key ) ) {
+                                        $classes[] = $value;
+                                } elseif ( $value ) {
+                                        $classes[] = $key;
+                                }
+                        }
+                } else {
+                        $classes[] = $argument;
+                }
+        }
+
+        return implode( ' ', $classes );
+}

src/wp-settings.php

@@ -287 +287 @@
 require ABSPATH . WPINC . '/blocks.php';
 require ABSPATH . WPINC . '/blocks/index.php';
 require ABSPATH . WPINC . '/block-patterns.php';
+require ABSPATH . WPINC . '/class-html-builder-node.php';
+require ABSPATH . WPINC . '/class-html-builder-dangerous-html.php';
+require ABSPATH . WPINC . '/class-html-builder-element.php';
 
 $GLOBALS['wp_embed'] = new WP_Embed();