PHP | Imagick setImageInterlaceScheme() Function

The Imagick::setImageInterlaceScheme() function is an inbuilt function in PHP which is used to set the interlace scheme of image.
Syntax:

bool Imagick::setImageInterlaceScheme( int $interlace_scheme )

Parameters: This function accepts a single parameter $interlace_scheme which corresponds to one of INTERLACE constants. You can directly pass the constant like 
$imagick->setImageInterlaceScheme(imagick::INTERLACE_LINE); also.
List of INTERLACE constants are given below: 

• imagick::INTERLACE_UNDEFINED (0)
• imagick::INTERLACE_NO (1)
• imagick::INTERLACE_LINE (2)
• imagick::INTERLACE_PLANE (3)
• imagick::INTERLACE_PARTITION (4)
• imagick::INTERLACE_GIF (5)
• imagick::INTERLACE_JPEG (6)
• imagick::INTERLACE_PNG (7)

Return Value: This function returns TRUE on success.
Exceptions: This function throws ImagickException on error.
Below programs illustrate the Imagick::setImageInterlaceScheme() 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');

// Set the Interlace Scheme
$imagick->setImageInterlaceScheme(imagick::INTERLACE_JPEG);

// Display the image
echo $imagick->getImageInterlaceScheme();
?>

Output:

6

Program 2:

php

<?php

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

// Set the Interlace Scheme
$imagick->setImageInterlaceScheme(imagick::INTERLACE_PARTITION);

// Display the image
echo $imagick->getImageInterlaceScheme();
?>

Output:

4

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