Online PHP editor | rfc for BoH4S

@ 2013-07-01T13:03:20Z

<?php

$patterns = array();

$patterns[]= '/(?:src|href)\=(?:\\\'|")([^\\\'"]+)(?:\\\'|")/';

$patterns[]= '/background\s*\:\s*url\s*\(\s*(?:\\\'|")([^\\\'"]+)(?:\\\'|")\s*\)/';

$source = <<<SRC

<a href="http://www.sape.ru">some text</a>

<img src='logo.jpg' alt=''></a>

<img src='../../logo.jpg' alt=''></a>
<img src='/path/to/file' alt=''></a>

<img src='./path/to/file' alt=''></a>
<img src='www.sape.ru/path/to/file' alt=''></a>
<img src='path/to/file.png' alt=''></a>

<span style="background  :url('//path/to/url.jpg' )">

<img src="//club.sape.ru/upload/uf/85a/85ac0401b8f233b35b63cec0364778ba.jpg" width="25"/>

SRC;


$baseUrl = 'www.sape.ru';

$callback  = function($matches) use ($baseUrl) {

    $srcTag = $matches[0];
    $url = $matches[1];

	$search = '/^(http\:|https\:|)\/\/(\w*\.)?/';

	$isAbsolute = preg_match($search, $url);

    //УРЛ абсолютный - ничего не меняем
    if ($isAbsolute) {
		return $srcTag;
    }

    $search = array(
        '../',
        './',
        '/'
    );

    $baseUrlReplace = $baseUrl . '/';

	$resultUrl = $url;
    $count = 0;

    foreach($search as $s) {
		$count = 0;
        $resultUrl = preg_replace('/^' . preg_quote($s, '/') . '/', $baseUrlReplace, $url, 1, $count);
        if ($count == 1) {
			break;
        }
    }

    if (!$count) {
		$resultUrl = $baseUrlReplace . $url;
    }

	$search = array(
		'../',
        './'
    );

    foreach($search as $s) {
		$resultUrl = preg_replace('/' . preg_quote($s, '/') . '/', '', $resultUrl);
    }

    $resultUrl = preg_replace('/\/{2,}/', '/', $resultUrl);

	$resultUrl = 'http://' . $resultUrl;

    var_dump($resultUrl);


	return str_replace($url, $resultUrl, $srcTag);



};

$source = preg_replace_callback($patterns, $callback, $source);



var_dump($source);

Output for git.master, git.master_jit, rfc.property-hooks: string(27) "http://www.sape.ru/logo.jpg" string(27) "http://www.sape.ru/logo.jpg" string(31) "http://www.sape.ru/path/to/file" string(31) "http://www.sape.ru/path/to/file" string(43) "http://www.sape.ru/www.sape.ru/path/to/file" string(35) "http://www.sape.ru/path/to/file.png" string(531) " <a href="http://www.sape.ru">some text</a> <img src='http://www.sape.ru/logo.jpg' alt=''></a> <img src='http://www.sape.ru/logo.jpg' alt=''></a> <img src='http://www.sape.ru/path/to/file' alt=''></a> <img src='http://www.sape.ru/path/to/file' alt=''></a> <img src='http://www.sape.ru/www.sape.ru/path/to/file' alt=''></a> <img src='http://www.sape.ru/path/to/file.png' alt=''></a> <span style="background :url('//path/to/url.jpg' )"> <img src="//club.sape.ru/upload/uf/85a/85ac0401b8f233b35b63cec0364778ba.jpg" width="25"/> "

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