1.获取内容中的url,email,image。
2.替换内容中的url,email,image。
url:xxx
email:admin@admin.com
image:
grep.class.php
复制代码 代码如下:
'/'email' => '/([\w\-\.]+@[\w\-\.]+(\.\w+))/',
'image' => '//i'
);
private $_content = ''; // 源内容
/* 設置搜尋的內容
* @param string $content
*/
public function set($content=''){
$this->_content = $content;
}
/* 获取指定内容
* @param string $type
* @param int $unique 0:all 1:unique
* @return array
*/
public function get($type='', $unique=0){
$type = strtolower($type);
if($this->_content=='' || !in_array($type, array_keys($this->_pattern))){
return array();
}
$pattern = $this->get_pattern($type); // 获取pattern
preg_match_all($pattern, $this->_content, $matches);
return isset($matches[1])? ( $unique==0? $matches[1] : array_unique($matches[1]) ) : array();
}
/* 获取替换后的内容
* @param string $type
* @param string $callback
* @return string
*/
public function replace($type='', $callback=''){
$type = strtolower($type);
if($this->_content=='' || !in_array($type, array_keys($this->_pattern)) || $callback==''){
return $this->_content;
}
$pattern = $this->get_pattern($type);
return preg_replace_callback($pattern, $callback, $this->_content);
}
/* 根据type获取pattern
* @param string $type
* @return string
*/
private function get_pattern($type){
return $this->_pattern[$type];
}
} // class end
?>
demo
复制代码 代码如下:
set($content);
$url = $obj->get('url', 0);
$email = $obj->get('email', 1);
$image = $obj->get('image', 1);
print_r($url);
print_r($email);
print_r($image);
$url_new = $obj->replace('url', 'replace_url');
echo $url_new;
function replace_url($matches){
return isset($matches[1])? '[url]'.$matches[1].'[/url]' : '';
}
?>
http://www.bkjia.com/phpjc/726021.htmlwww.bkjia.comtruehttp://www.bkjia.com/phpjc/726021.htmltecharticle功能: 1.获取内容中的url,email,image。 2.替换内容中的url,email,image。 url:a href=urlxxx/a email:admin@admin.com image:img src=image grep.class.ph...
