How to implement PHP crawl images _php Tutorial

The following code is a code example of a PHP fetch image:

2. < ? PHP
4. Variable Description:
6. $url is the full URL address of the remote picture and cannot be empty.
8. $filename is an optional variable: if empty,
   Local file names are automatically generated based on time and date.
10. function Grabimage ($url, $filename="") {
12. if ($url= = ""): return false;endif;
14. if ($filename= = "") {
16. $ ext = STRRCHR ($url, ".");
18. if ($ext! = ". gif" && $ext! = ". jpg"):
    return false;endif;
20. $ filename = Date ("Dmyhis"). $ext;
22. }
24. Ob_start ();
26. ReadFile ($url);
28. $ img = ob_get_contents ();
30. Ob_end_clean ();
32. $ size = strlen ($img);
34. $ FP2 = @fopen ($filename, "a");
36. Fwrite ($fp 2, $img);
38. Fclose ($fp 2);
40. return $filename;
42. }
44. $ img = Grabimage ("Picture path", "");
46. if ($img): Echo ' < Pre >
    < img src="'. $img. '" > pre>';
48. Else:echo "false";
50. endif
52. ?>

I hope you can use this article to introduce the method of PHP grab pictures, skillfully apply this method.

http://www.bkjia.com/PHPjc/446171.html www.bkjia.com true http://www.bkjia.com/PHPjc/446171.html techarticle The following code is a code example of PHP fetching a picture:? PHP//Variable Description://$url is the full URL address of the remote picture and cannot be empty. $filename is an optional variable: if it is empty, the local text ...

