Quickly fetch attributes

# Imagick::pingImageBlob

(PECL imagick 2.0.0)

Imagick::pingImageBlob — Quickly fetch attributes

### Descrierea

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. Această metodă este disponibilă dacă Imagick a fost compilat cu ImageMagick de versiunea 6.2.9 sau ulterior.

### Parametri

`image`

  A string containing the image.

### Valorile întoarse

Întoarce `TRUE` în caz de succes.

### Exemple

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();
?>`

### A se vedea și

- 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