PHP | Gmagick readimage() Function

The Gmagick::readimage() function is an inbuilt function in PHP which is used to read an image from your local folder and add it to the Gmagick object. This is an alternative to read() function.

Syntax:

Gmagick Gmagick::readimage( string $filename )

Parameters: This function accepts a single parameter $filename which holds the name of the file.

Return Value: This function returns a Gmagick object containing the image.

Exceptions: This function throws GmagickException on error.

Below given programs illustrate the Gmagick::readimage() function in PHP:

Used Image:

Program 1 (Reading image from folder):

<?php

// Create a new Gmagick object
$gmagick = new Gmagick();

// Read an image
$gmagick->readimage('geeksforgeeks.png');

// Output the image
header('Content-type: image/png');
echo $gmagick;
?>

Output:

Program 2 (Editing image after reading):

<?php

// Create a new Gmagick object
$gmagick = new Gmagick();

// Read an image
$gmagick->readimage('geeksforgeeks.png');

// Here you can further work with your loaded image

// Simulate a charcoal drawing
$gmagick->charcoalimage(0.1, 10);

// Output the image
header('Content-type: image/png');
echo $gmagick;
?>

Output:

Reference: https://www.php.net/manual/en/gmagick.readimage.php