getting image src in php

Question

how to get image source from an img tag using php function.

Answer 1

$path1 = 'http://example.com/index.html';//path of the html page
$file = file_get_contents($path1);
$dom = new DOMDocument;

@$dom->loadHTML($file);
$links = $dom->getElementsByTagName('img');
foreach ($links as $link)
{    
    $re = $link->getAttribute('src');
    $a[] = $re;
}

Output:

Array
(
    [0] => demo/banner_31.png
    [1] => demo/my_code.png
)