PHP | Imagick readImageFile() Function

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The Imagick::readImageFile() function is an inbuilt function in PHP which is used to read image from open filehandle.

Syntax:

bool Imagick::readImageFile( resource $filename, string $fileName = NULL )

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

$filehandle: It specifies the file handle.
$fileName: It specifies the name of file.

Return Value: This function returns TRUE on success.

Exceptions: This function throws ImagickException on error.

Below programs illustrate the Imagick::readImageFile() function in PHP:

Program 1:

<?php 
  
// Create a new imagick object 
$imagick = new Imagick(); 
  
// Create a file handle 
$handle = fopen( 
'https://zambiatek.com/wp-content/uploads/2023/10/zambiatek-13-18.png', 'rgb'); 
  
// Read the image 
$imagick->readImageFile($handle); 
  
// Display the image 
header("Content-Type: image/png"); 
echo $imagick->getImageBlob(); 
?> 

Output:

Program 2:

<?php 
  
// Create a new imagick object 
$imagick = new Imagick(); 
  
// Create a file handle 
$handle = fopen( 
'https://zambiatek.com/wp-content/uploads/2023/10/g4ganimatedcolor-1.gif', 
'rgb'); 
  
// Read the image 
$imagick->readImageFile($handle); 
  
// Display the image 
header("Content-Type: image/gif"); 
echo $imagick->getImagesBlob(); 
?> 