Imagick::pingImageFile
(PECL imagick 2.0.0)
Imagick::pingImageFile — Get basic image attributes in a lightweight manner
Beskrivelse
bool Imagick::pingImageFile
( resource
$filehandle
[, string $fileName
] )This method can be used to query image width, height, size, and format without reading the whole image to memory. This method is available if Imagick has been compiled against ImageMagick version 6.2.9 or newer.
Parametre
-
filehandle -
An open filehandle to the image.
-
fileName -
Optional filename for this image.
Returnerings Værdier
Returns TRUE on success.
Eksempler
Eksempel #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);
?>
Se også
- Imagick::pingImage() - Fetch basic attributes about the image
- Imagick::pingImageBlob() - Quickly fetch attributes
- Imagick::readImage() - Reads image from filename
- Imagick::readImageBlob() - Reads image from a binary string
- Imagick::readImageFile() - Reads image from open filehandle
add a note
User Contributed Notes
There are no user contributed notes for this page.
