checking an image for size in php?

i want to check an images size thats already uploaded to the server: psuedocode

if (checksize($image) >10mb {

die

}

can开发者_运维问答 i do something like that in php? thanks :)_)

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Assuming $image is a path to a file somewhere on the filesystem:

if(filesize($image) > (10 * 1024 * 1024)){  // is it larger than 10mb?
   die('too big');
}

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Here is the PHP documentation.

http://php.net/manual/en/function.filesize.php