Imagick::pingImageBlobImagick::pingImageFile
(PECL imagick 2.0.0)
Imagick::pingImageFile — Get basic image attributes in a lightweight manner
Descrizione
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.
Elenco dei parametri
-
filehandle -
An open filehandle to the image.
-
fileName -
Optional filename for this image.
Valori restituiti
Restituisce TRUE in caso di successo.
Esempi
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);
?>
Vedere anche:
- 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
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