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PHP | Imagick resizeImage() Function

  • Last Updated : 05 Dec, 2019

The Imagick::resizeImage() function is an inbuilt function in PHP which is used to scale an image to the desired dimensions.

Syntax:

bool Imagick::resizeImage( int $columns, 
int $rows, int $filter, float $blur, 
bool $best_fit = false, bool $legacy = false )

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

  • $columns: It specifies the width of the image.
  • $rows: It specifies the height of the image.
  • $filter: It specifies an integer corresponding to one of FILTER constants.
  • $blur: It specifies the blur factor where > 1 is blurry, < 1 is sharp.
  • $best_fit (Optional): It specifies the fit parameter.
  • $legacy (Optional): It specifies the legacy.

Return Value: This function returns TRUE on success.

Exceptions: This function throws ImagickException on error.



Below given programs illustrate the Imagick::resizeImage() function in PHP:

Program 1:




<?php
  
// Create a new Imagick object
$imagick = new Imagick(
  
// Resize the image
$imagick->resizeImage( 620, 300, Imagick::FILTER_LANCZOS, 1);
  
// Display the image
header("Content-Type: image/png");
echo $imagick->getImageBlob();
?>

Output:

Program 2:




<?php
  
// Create a new Imagick object
$imagick = new Imagick(
  
// Resize the image
$imagick->resizeImage( 520, 200, imagick::FILTER_GAUSSIAN, 10);
  
// Display the image
header("Content-Type: image/png");
echo $imagick->getImageBlob();
?>

Output:

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




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