PHP css file background image downloader implementation code-PHP Tutorial-php.cn

PHP css file background image downloader implementation code

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Release： 2016-07-25 08:52:28

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/**
*@ATANG 2013-4-6 22:19
*@哈哈
*/
set_time_limit(0);
error_reporting(E_ERROR);
if($argc<4){
print_r('
+----- --------------------------------------------------+
Usage: php ' .$argv[0].' css path type (0 is remote, 1 is local) css file path image saving directory
Example:
php.exe '.$argv[0].' 0 http://www.xxx .com/index.css images
+------------------------------------------------- --------+
');
exit();
}
//Remote css
if($argv[1]==0){
$host = getParse($argv[2], 'host');
$savePath = getSavePath($argv[3]);
$images = getCssImagesArray($argv[2]);
//print_r($images);
$imagesurls = getImagesLinks($images,$ argv[2]);
imagesDowner($imagesurls);
}
//Local css starts
if($argv[1]==1){
//Too lazy to write, haha, this doesn’t make much sense
}
/*
* css image analysis function
* $csspath css file path
*/
function getCssImagesArray($csspath){
$cssFile = file_get_contents($csspath);
$images = array();
preg_match_all("|url ((.+))|i",$cssFile,$images);
$images = $images[1];
return $images;
}
/*
* css file relative directory processing function
* $path path
*/
function getNocssPath($path){
global $host;
$tempLinkmages='';
//Get equivalent path
$tempPath = explode('/',$path);
for($i=1 ;$i<(count($tempPath)-2);$i++){
$tempLinkmages .= $tempPath[$i].'/';
}
$xdImage = $host.$tempLinkmages;
return $xdImage ;
//Get equivalent path
}
/*
* Image connection acquisition function
* $images array All the images arrays that need to be obtained
* cssLink css file links
*/
function getImagesLinks($imagesArray,$cssLink){
global $host;
$urlImages = array();
foreach($imagesArray as $key=>$value){
if(pathCheck($value)){
if((!in_array(($host.$ value),$urlImages))){
$urlImages[$key] = $host.$value;
}
}else{
if((!in_array((getNocssPath(getParse($cssLink,'path'))). $value),$urlImages))){
$urlImages[$key] = getNocssPath(getParse($cssLink,'path')).$value;
}
}
}
return $urlImages;
}
/ *
* Image acquisition
* $urlImages is the array of images that need to be downloaded
*/
function imagesDowner($urlImages){
//print_r($urlImages);
foreach($urlImages as $key=>$value){
$urlImagesOk[$key] = str_replace('//','/',$value);
$urlImagesOk[$key] = str_replace('"','',$urlImagesOk[$key]);
$urlImagesOk [$key] = str_replace("'",'',$urlImagesOk[$key]);
$urlImagesOk[$key] = 'http://'.$urlImagesOk[$key];
if(grabImage($ urlImagesOk[$key],basename($urlImagesOk[$key]))){
print_r(
basename($urlImagesOk[$key]).' The file was downloaded successfully
');
}else{
print_r(
basename( $urlImagesOk[$key]).' Download failed
');
}
}
//print_r($urlImagesOk);
}
/*
* Relative path absolute path determination function
* $imageUrl image link array
* true is an absolute path
* false is an equivalent path
*/
function pathCheck($imageUrl){
if(preg_match('|^(/)|',$imageUrl)){
return true;
}else{
return false;
}
}
/*
* Image download function
* $url image link
* $filename image name
*/
function grabImage($url, $filename){
global $savePath;
if($ url == '') {
return false; //If $url is empty, return false;
}
$ext_name = strrchr($url, '.'); //Get the extension of the image
if($ ext_name != '.gif' && $ext_name != '.jpg' && $ext_name != '.bmp' && $ext_name != '.png') {
return false; //The format is not within the allowed range
}
if($filename == '') {
return false; //Invalid name
}
//Start capturing
ob_start();
if(readfile($url)){
$img_data = ob_get_contents();
ob_end_clean();
$size = strlen($img_data);
}else{
ob_end_clean();
return false;
}
if(($local_file = fopen($savePath.$filename , 'a'))&&(fwrite($local_file, $img_data)))
{
fclose($local_file);
return true;
}
}
/*
* 保存目录
*/
function getSavePath($savepath){
$savePath = $savepath;
$savePath = dirname(__FILE__).$savePath;
return $savePath;
}
/*
* 解析url
*/
function getParse($host,$type){
$baseurl = parse_url($host);
return $baseurl[$type].'/';
//echo $baseurl;
}
?>

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