Changeset 8540 for trunk/wp-includes/formatting.php

Timestamp:

08/04/2008 09:01:09 PM (17 years ago)

Author:

westi

Message:

Plugin Install GSOC project first code drop. Props DD32 see #6015.

File:

• trunk/wp-includes/formatting.php (modified) (1 diff)

trunk/wp-includes/formatting.php

@@ -1421 +1421 @@
 }
 
+/**
+ * Add a Base url to relative links in passed content.
+ *
+ * By default it supports the 'src' and 'href' attributes,
+ * However this may be changed via the 3rd param.
+ *
+ * @package WordPress
+ * @since 2.7
+ *
+ * @param string $content String to search for links in
+ * @param string $base The base URL to prefix to links
+ * @param array $attrs The attributes which should be processed.
+ * @eaturn string The processed content.
+ */
+function links_add_base_url( $content, $base, $attrs = array('src', 'href') ) {
+    $attrs = implode('|', (array)$attrs);
+    return preg_replace_callback("!($attrs)=(['\"])(.+?)\\2!i", 
+            create_function('$m', 'return _links_add_base($m, "' . $base . '");'),
+            $content);
+}
+
+/**
+ * Callback to add a base url to relative links in passed content.
+ *
+ *
+ * @package WordPress
+ * @since 2.7
+ *
+ * @internal
+ * @param string $m The matched link
+ * @param string $base The base URL to prefix to links
+ * @eaturn string The processed link
+ */
+function _links_add_base($m, $base) {
+    //1 = attribute name  2 = quotation mark  3 = URL
+    return $m[1] . '=' . $m[2] . 
+        (strpos($m[3], 'http://') === false ?
+            path_join($base, $m[3]) :
+            $m[3])
+        . $m[2];
+}
+
+/**
+ * Adds a Target attribute to all links in passed content.
+ *
+ * This function by default only applies to <a> tags, 
+ * however this can be modified by the 3rd param.
+ * NOTE: Any current target attributed will be striped and replaced.
+ *
+ * @package WordPress
+ * @since 2.7
+ *
+ * @param string $content String to search for links in
+ * @param string $target The Target to add to the links
+ * @param array $tags An array of tags to apply to.
+ * @eaturn string The processed content.
+ */
+function links_add_target( $content, $target = '_blank', $tags = array('a') ) {
+    $tags = implode('|', (array)$tags);
+    return preg_replace_callback("!<($tags)(.+?)>!i", 
+            create_function('$m', 'return _links_add_target($m, "' . $target . '");'),
+            $content);
+}
+/**
+ * Callback to add a target attribute to all links in passed content
+ *
+ *
+ * @package WordPress
+ * @since 2.7
+ *
+ * @internal
+ * @param string $m The matched link
+ * @param string $target The Target to add to the links
+ * @eaturn string The processed link.
+ */
+function _links_add_target( $m, $target ) {
+    $tag = $m[1];
+    $link = preg_replace('|(target=[\'"](.*?)[\'"])|i', '', $m[2]);
+    return '<' . $tag . $link . ' target="' . $target . '">';
+}
+
 ?>