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PHP获取文章第一张图片做为缩略图 - 开源中国社区

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Release: 2016-05-20 12:56:32
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	/**
	 * 获取文章第一张图片做为缩略图
	 * @param $content
	 * @return bool|string
	 */
	private static function thumb($content){
		$content = stripslashes($content);
		if(preg_match_all("/(src)=([\"|']?)([^ \"'>]+\.(gif|jpg|jpeg|bmp|png))\\2/i", $content, $matches)) {
			$str = $matches[3][0];
			$str = substr($str, 6);
			if (preg_match('/upload/', $str)) {
				return $str;
			}
		}
		return '';
	}
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