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Imagick::pingImageBlob

(PECL imagick 2, PECL imagick 3)

Imagick::pingImageBlobQuickly fetch attributes

Descrizione

public Imagick::pingImageBlob(string $image): bool

This method can be used to query image width, height, size, and format without reading the whole image to memory. Questo metodo è disponibile se Imagick è stato compilato con ImageMagick versione 6.2.9 o successive.

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();
?>

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