PHP | Imagick writeImageFile() Function

Last Updated : 23 Dec, 2019

The Imagick::writeImageFile() function is an inbuilt function in PHP which is used to write the image sequence to an open filehandle. The handle must be opened with fopen. Syntax:

bool Imagick::writeImageFile( resource $filehandle, string $format )

Parameters: This function accepts two parameters as mentioned above and described below:

$filehandle: It specifies the filehandle.
$format (Optional): It specifies the format of image. Default value is taken from filename from handle.

Return Value: This function returns TRUE on success. Exceptions: This function throws ImagickException on error. Below given programs illustrate the Imagick::writeImageFile() function in PHP: Program 1:

php

<?php 

// Create a new imagick object 
$imagick = new Imagick(
'https://media.geeksforgeeks.org/wp-content/uploads/geeksforgeeks-13.png'); 
  
// Create a file handle with read/write access
$myfile = 'writeimagefile.png';
$handle = fopen($myfile, 'w+'); 
  
// Write image to filehandle without format
$imagick->writeImageFile($handle); 

// Get image from filehandle
$newImage = new Imagick();
$newImage->readImageFile($handle);
header("Content-Type: image/png");
echo $newImage->getImageBlob();
?>

Output:

Program 2:

php

<?php 
// Create a new imagick object 
$imagick = new Imagick(
'https://media.geeksforgeeks.org/wp-content/uploads/geeksforgeeks-13.png'); 

// Add floodfillPaintImage
$imagick->floodfillPaintImage("green", 1, "white", 1, 1, false);

// Create a file handle 
$myfile = 'writeimagefile2';
$handle = fopen($myfile, 'w+'); 
  
// Write image to filehandle with png format
$imagick->writeImageFile($handle, 'png'); 

// Get image from filehandle
$newImage = new Imagick();
$newImage->readImageFile($handle);
header("Content-Type: image/png");
echo $newImage->getImageBlob();
?>