added Twitter::clickable() - makes twitter links, @usernames and #has…

…htags clickable
vrana · Mar 30, 2011 · 3fcb931 · 3fcb931
1 parent e305e66
commit 3fcb931
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Showing 3 changed files with 38 additions and 2 deletions.
diff --git a/examples/load.php b/examples/load.php
@@ -20,7 +20,7 @@
 <?php foreach ($channel->status as $status): ?>
 	<li><a href="http://twitter.com/<?php echo $status->user->screen_name ?>"><img src="<?php echo htmlspecialchars($status->user->profile_image_url) ?>">
 		<?php echo htmlspecialchars($status->user->name) ?></a>:
-		<?php echo $status->text ?>
+		<?php echo Twitter::clickable($status->text) ?>
 		<small>at <?php echo date("j.n.Y H:i", strtotime($status->created_at)) ?></small>
 	</li>
 <?php endforeach ?>

diff --git a/examples/search.php b/examples/search.php
@@ -17,7 +17,7 @@
 <?php foreach ($results as $result): ?>
 	<li><a href="http://twitter.com/<?php echo $result->from_user ?>"><img src="<?php echo htmlspecialchars($result->profile_image_url) ?>" width="48">
 		<?php echo htmlspecialchars($result->from_user) ?></a>:
-		<?php echo $result->text ?>
+		<?php echo Twitter::clickable($result->text) ?>
 		<small>at <?php echo date("j.n.Y H:i", strtotime($result->created_at)) ?></small>
 	</li>
 <?php endforeach ?>

diff --git a/twitter.class.php b/twitter.class.php
@@ -277,6 +277,42 @@ public function cachedRequest($request, $data)
 
 
 
+	/**
+	 * Makes twitter links, @usernames and #hashtags clickable.
+	 * @param  string
+	 * @return string
+	 */
+	public static function clickable($s)
+	{
+		return preg_replace_callback(
+			'~(?<!\w)(https?://\S+\w|www\.\S+\w|@\w+|#\w+|<>&)~u',
+			array(__CLASS__, 'clickableCallback'),
+			html_entity_decode($s, ENT_QUOTES, 'UTF-8')
+		);
+	}
+
+
+
+	private static function clickableCallback($m)
+	{
+		$m = htmlspecialchars($m[1]);
+		if ($m[0] === '#') {
+			$m = substr($m, 1);
+			return "<a href='http://twitter.com/search?q=%23$m'>#$m</a>";
+		} elseif ($m[0] === '@') {
+			$m = substr($m, 1);
+			return "@<a href='http://www.twitter.com/$m'>$m</a>";
+		} elseif ($m[0] === 'w') {
+			return "<a href='http://$m'>$m</a>";
+		} elseif ($m[0] === 'h') {
+			return "<a href='$m'>$m</a>";
+		} else {
+			return $m;
+		}
+	}
+
+
+
 	/**
 	 * Shortens URL using http://is.gd API.
 	 * @param  array