(PECL imagick 2.0.0)
Imagick::pingImageFile — Get basic image attributes in a lightweight manner
$filehandle
[, string $fileName
] ) : boolThis method can be used to query image width, height, size, and format without reading the whole image to memory. 锟剿凤拷锟斤拷锟斤拷Imagick锟斤拷锟斤拷ImageMagick 6.2.9锟斤拷锟较版本锟斤拷锟斤拷时锟斤拷锟矫★拷
filehandle
An open filehandle to the image.
fileName
Optional filename for this image.
锟缴癸拷时锟斤拷锟斤拷 TRUE
锟斤拷
Example #1 Using Imagick::pingImageFile()
Opening a remote location
<?php
/* fopen a remote location */
$fp = fopen("http://example.com/test.jpg");
/* create new imagick object */
$im = new Imagick();
/* pass the handle to imagick */
$im->pingImageFile($fp);
?>