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php how to get web image size in kb?
getimagesize only get the width and height.
and filesize caused waring.
$imgsize=filesize("http://static.adzerk.net/Advertisers/2564.jpg");
echo $imgsize;
Warning: filesize() [function.filesize]: stat failed for http://static.adzerk.net/Advertisers/2564.jpg
Is there any other way to get a web image size in kb?
260
The getimagesize() function in PHP is an inbuilt function which is used to get the size of an image. This function accepts the filename as a parameter and determines the image size and returns the dimensions with the file type and height/width of image.
The imagescale() function is an inbuilt function in PHP which is used to scale an image using the given new width and height. Parameters: This function accepts four parameters as mentioned above and described below: $image: It is returned by one of the image creation functions, such as imagecreatetruecolor().
The imagesx() and imagesy() are used to extract the width and height of the images respectively.
Short of doing a complete HTTP request, there is no easy way:
$img = get_headers("http://static.adzerk.net/Advertisers/2564.jpg", 1);
print $img["Content-Length"];
You can likely utilize cURL however to send a lighter HEAD request instead.
140
<?php
$file_size = filesize($_SERVER['DOCUMENT_ROOT']."/Advertisers/2564.jpg"); // Get file size in bytes
$file_size = $file_size / 1024; // Get file size in KB
echo $file_size; // Echo file size
?>
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