Specific implementation method of capturing images with PHP_PHP tutorial

The following code is a code example for PHP to capture images:

1. < ?php
2. // Variable description:
3. // $url is the complete URL address of the remote image and cannot be empty.
4. // $filename is an optional variable: if empty,
   the local file name will be automatically generated based on time and date.
5. function GrabImage($url,$filename="") {
6. if ($url==""):return false;endif;
7. if($filename=="") {
8. $ext=strrchr ($url,".");
9. if($ext!=".gif" && $ext!=".jpg"):
   return false;endif;
10. $filename=date("dMYHis").$ext;
11. }
12. ob_start();
13. readfile($url);
14. $img = ob_get_contents();
15. ob_end_clean();
16. $size = strlen($img);
17. $fp2=@fopen($filename, "a");
18. fwrite($fp2,$img);
19. fclose($fp2); 🎜>} 
20. $
21. img=
22. GrabImage("Image path ",""); if($img):echo '<pre
23. > <img
    src="'.$img.' ">pre>'; else:echo "false"; endif; >
24. I hope you can use the method of capturing images with PHP introduced in this article and become proficient in using this method.
26. http://www.bkjia.com/PHPjc/446171.htmlwww.bkjia.comtrue

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The following code is a code example for PHP to capture images: ?php //Variable description: //$url is remote The complete URL address of the image, which cannot be empty. //$filename is an optional variable: if it is empty, the local file...