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vendor/cebe/markdown/block/RuleTrait.php

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+<?php
+/**
+ * @copyright Copyright (c) 2014 Carsten Brandt
+ * @license https://github.com/cebe/markdown/blob/master/LICENSE
+ * @link https://github.com/cebe/markdown#readme
+ */
+
+namespace cebe\markdown\block;
+
+/**
+ * Adds horizontal rules
+ */
+trait RuleTrait
+{
+	/**
+	 * identify a line as a horizontal rule.
+	 */
+	protected function identifyHr($line)
+	{
+		// at least 3 of -, * or _ on one line make a hr
+		return (($l = $line[0]) === ' ' || $l === '-' || $l === '*' || $l === '_') && preg_match('/^ {0,3}([\-\*_])\s*\1\s*\1(\1|\s)*$/', $line);
+	}
+
+	/**
+	 * Consume a horizontal rule
+	 */
+	protected function consumeHr($lines, $current)
+	{
+		return [['hr'], $current];
+	}
+
+	/**
+	 * Renders a horizontal rule
+	 */
+	protected function renderHr($block)
+	{
+		return $this->html5 ? "<hr>\n" : "<hr />\n";
+	}
+
+}