(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. �˷�����Imagick����ImageMagick 6.2.9���ϰ汾����ʱ���á�
filehandleAn open filehandle to the image.
fileNameOptional filename for this image.
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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);
?>