Added docs, reversed bbPrefixes list.

Author: JoshPiper

data/test_md.bb

@@ -11,6 +11,6 @@
 [https://google.com](https://google.com)
 [limelight](https://limelightgaming.net)
 
-# this is a header
+[h1]this is a header[/h1]
 
-## this is a l2 header
+[h2]this is a l2 header[/h2]

src/Converter.php

@@ -28,16 +28,17 @@ public function __construct(string $text = null){
 		's' => '~~',
 	];
 
-	/** List of "simple" bbTags and their replacements (which act as prefixes.
+	/** List of "simple" bbTags and their replacements (which act as prefixes).
+	 * When there are multiple prefixes which use the same character, they must be listed longest first.
 	 * @var array
 	 */
 	public static $bbPrefixes = [
-		'h1' => '#',
-		'h2' => '##',
-		'h3' => '###',
-		'h4' => '####',
-		'h5' => '#####',
 		'h6' => '######',
+		'h5' => '#####',
+		'h4' => '####',
+		'h3' => '###',
+		'h2' => '##',
+		'h1' => '#',
 	];
 
 	/** List of bbTags with attributes and their replacements.