fix: indentation tab -> space

init.php

@@ -13,19 +13,19 @@ class YFrames extends Plugin {
 		$this->host = $host;
 
 		$host->add_hook($host::HOOK_ARTICLE_FILTER, $this);
-		$host->add_hook($host::HOOK_IFRAME_WHITELISTED, $this);
-	}
+        $host->add_hook($host::HOOK_IFRAME_WHITELISTED, $this);
+    }
 
-	function hook_iframe_whitelisted($src) {
-		return in_array($src, ["www.youtube.com", "youtube.com", "youtu.be"]);
-	}
+    function hook_iframe_whitelisted($src) {
+        return in_array($src, ["www.youtube.com", "youtube.com", "youtu.be"]);
+    }
 
-	function hook_article_filter($article) {
+    function hook_article_filter($article) {
 
-		// $debug = json_encode($article);
-		// Match allowed links and extract "video ID"
-		if (preg_match_all("/.*(youtube|youtu)\.(com|be)\/watch\?v=([\w\d_-]+).*/i",
-						   $article["link"], $matches, PREG_PATTERN_ORDER)) {
+        // $debug = json_encode($article);
+        // Match allowed links and extract "video ID"
+        if (preg_match_all("/.*(youtube|youtu)\.(com|be)\/watch\?v=([\w\d_-]+).*/i",
+                           $article["link"], $matches, PREG_PATTERN_ORDER)) {
 
 			if ($matches[3][0]) {
 				$link = "https://www.youtube.com/embed/" . $matches[3][0];