fetching images from URL and saving it into folder.

fetchImages.php

<?php

/*
* title: fetching images from URL and saving it into folder.
* curator: Mayur Pipaliya [ mayur {at} pipaliya {dot} com ]
* demo : http://pentest.0x10.info/temp_demo/parse_img.php
* copyleft (ɔ) distribute, alter and use at your own risk.
* apply necessary alternation accordingly.
*/


// TURN ON/OFF Debugging 
define('DEBUG', false);

set_time_limit(0);

if(DEBUG == true)
{   error_reporting(-1); ini_set('display_errors', 'On'); echo '<pre>';}
else
{	error_reporting(0); ini_set('display_errors', 'off'); }


// Executing environment:  Web / Command-line
if (isset($_SERVER['argc'])) {
    define('CLI', true);
} else {
    define('CLI', false);
    // 
	$_url = $_REQUEST['url'];
	$_folder = $_REQUEST['folder'];

}


if(CLI == true)
{
	$_url 		= "http://www.desidime.com/";
	$_folder 	= './desidime';
}

if($_url != null)
{
	$html = file_get_contents($_url);
	preg_match_all('/<img[^>]+>/i',$html, $result);
	// var_dump($result); // DEBUG


	$img = array();
	foreach( $result[0] as $img_tag)
	    preg_match_all('/(alt|title|src)=("[^"]*")/i',$img_tag, $img[$img_tag]);

	foreach($img As $img_url=>$imgs)
	{
		$url = str_ireplace(array('src="','"',""),"",$imgs[0][1]);
		$imageName = array_shift(explode('?', basename($url)));
		fetch_writeImage($url, $imageName );
		if(DEBUG == true) { echo  $url . " | " . $imageName . "\n"; } // DEBUG
	}	
}
else
	echo "$_url is null.";

function fetch_writeImage($url, $imageName )
{
	global $_folder;

	if(!is_dir($_folder)) mkdir($_folder);

	$fp = fopen($_folder  . "/" . $imageName, 'w');
	fwrite($fp, file_get_contents($url));
	fclose($fp);
	if(DEBUG == true) { echo $_folder  . "/" . $imageName ."\n"; } // DEBUG
}

?>
<center>
<form action="">
	Fetch Images<br><br>
	URL: <input type="text" name="url" placeholder="http://desidime.com" style="width:500px;"/><br />
	Direcoty: <input type="text" name="folder" placeholder="desidime" style="width:250px" /><br />
	<input type="submit" name="submit" value="Fetch" />
</form>
</center>