PHP | Imagick readImageFile() Function

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://media.geeksforgeeks.org/wp-content/uploads/geeksforgeeks-13.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://media.geeksforgeeks.org/wp-content/uploads/20191117194549/g4ganimatedcolor.gif',
'rgb');

// Read the image
$imagick->readImageFile($handle);

// Display the image
header("Content-Type: image/gif");
echo $imagick->getImagesBlob();
?>

Output:

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