Imagick::pingImageBlob

(PECL imagick 2.0.0)

Imagick::pingImageBlob — Quickly fetch attributes

Descrizione

bool Imagick::pingImageBlob ( string $image )

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

image: A string containing the image.

Valori restituiti

Restituisce TRUE in caso di successo.

Esempi

Example #1 Using Imagick::pingImageBlob()

Pinging an image from a string


<?php
/* read image contents */
$image = file_get_contents("test.jpg");

/* create new imagick object */
$im = new Imagick();

/* pass the string to the imagick object */
$im->pingImageBlob($image);

/* output image width and height */
echo $im->getImageWidth() . 'x' . $im->getImageHeight();
?>

Vedere anche:

Imagick::pingImage() - Fetch basic attributes about the image
Imagick::pingImageFile() - Get basic image attributes in a lightweight manner
Imagick::readImage() - Reads image from filename
Imagick::readImageBlob() - Reads image from a binary string
Imagick::readImageFile() - Reads image from open filehandle