A simple way to get pictures and DIV content in web pages with php_PHP Tutorial

1. Get all the pictures in the webpage:

Copy code The code is as follows:

//Get the content of the specified address and save it to $text
$text=file_get_contents('http://www.jb51.net/');

//Get all img tags and store them in the two-dimensional array $match
preg_match_all('/]*>/i', $text, $match);

//Print out match
print_r($match);
?>

2. Get the first picture in the webpage:

Copy code The code is as follows:

//Get the content of the specified address and save it to $text
$text=file_get_contents('http://www.jb51.net/');

//Get the first img tag and store it in the two-dimensional array $match
preg_match('/]*>/Ui', $text, $match);

//Print out match
print_r($match);
?>

3. Get specific div block data in the specified web page:

Copy code The code is as follows:

//Get the content of the specified address and save it to $text
$text=file_get_contents('http://www.jb51.net/');

//Remove newlines and whitespace characters (required for serialized content)
//$text=str_replace(array("/r","/n","/t","/s"), '', $text);

//Get the content of the div tag with the id PostContent and store it in the two-dimensional array $match
preg_match('/]*id="PostContent"[^>]*>(.*?) /si',$text,$match);

//Print out match[0]
print($match[0]);
?>

4. Combination of 2 and 3 above:

Copy code The code is as follows:

//Get the content of the specified address and save it to $text
$text=file_get_contents('http://www.jb51.net/'); 

//Take out the content of the div tag with the id PostContent and store it in the two-dimensional array $match
preg_match('/]*id="PostContent"[^>]*>(.*?) /si',$text,$match);

//Get the first img tag and store it in the two-dimensional array $match2
preg_match('/]*>/Ui', $text, $match2);

//Print out match2[0]
print_r($match2[0]);
?>

http://www.bkjia.com/PHPjc/825379.htmlwww.bkjia.comtruehttp: //www.bkjia.com/PHPjc/825379.htmlTechArticle1. Get all the pictures in the webpage: Copy the code as follows: php //Get the content of the specified address, And save to $text $text=file_get_contents('http://www.jb51.net/'); //Get all...