Imagick::pingImageFile

(PECL imagick 2.0.0)

Imagick::pingImageFile — Get basic image attributes in a lightweight manner

Описание

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.

Список параметров

filehandle: An open filehandle to the image.
fileName: Optional filename for this image.

Возвращаемые значения

Returns TRUE on success.

Примеры

Пример #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);
?>

Смотрите также

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