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PHP | Imagick pingImageBlob() Function

  • Last Updated : 20 Aug, 2019

The Imagick::pingImageBlob() function is an inbuilt function in PHP which is used to query image properties without loading the full image into the memory. It can be used to query width, height, size, and format of the image. It takes the whole image stream as parameter.

Syntax:

bool Imagick::pingImageBlob( $image )

Parameters: This function accepts single parameter $image which is a string containing the image stream.

Return Value: This function returns True on success.

Below program illustrates the Imagick::pingImageBlob() function in PHP:



Program: This program will display the height and width of the image without actually loading it on the screen.




<?php
  
// Read a file in form of string
$image = file_get_contents(
  
// Create new Imagick object
$imagick = new Imagick();
  
// Use Imagick::pingImageBlob() function
$imagick->pingImageBlob($image);
  
// Get the details of the image
echo "Width of image: " . $imagick->getImageWidth() . "<br>"
     "Height of image: " . $imagick->getImageHeight();
  
?>

Output:

Width of image: 600
Height of image: 135

Reference: https://www.php.net/manual/en/imagick.pingimageblob.php

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