The Imagick class
PHP Manual

Imagick::pingImageFile

(PECL imagick 2.0.0)

Imagick::pingImageFileGet 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. Този метод съществува ако Imagick е била компилирана за версия 6.2.9 на ImageMagick или по-нова.

Параметри

filehandle

An open filehandle to the image.

fileName

Optional filename for this image.

Връщани стойности

Връща TRUE при успех.

Примери

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);
?>

Вж. също


The Imagick class
PHP Manual