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PHP | Gmagick getimagetype() Function

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  • Last Updated : 21 Jan, 2020
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The Gmagick::getimagetype() function is an inbuilt function in PHP which is used to get the image type.

Syntax:

int Gmagick::getimagetype( void )

Parameters: This function doesn’t accept any parameters.

Return Value: This function returns an integer value corresponding to one of the IMGTYPE constants.
All the IMGTYPE constants are listed below:

  • gmagick::IMGTYPE_UNDEFINED (0)
  • gmagick::IMGTYPE_BILEVEL (1)
  • gmagick::IMGTYPE_GRAYSCALE (2)
  • gmagick::IMGTYPE_GRAYSCALEMATTE (3)
  • gmagick::IMGTYPE_PALETTE (4)
  • gmagick::IMGTYPE_PALETTEMATTE (5)
  • gmagick::IMGTYPE_TRUECOLOR (6)
  • gmagick::IMGTYPE_TRUECOLORMATTE (7)
  • gmagick::IMGTYPE_COLORSEPARATION (8)
  • gmagick::IMGTYPE_COLORSEPARATIONMATTE (9)
  • gmagick::IMGTYPE_OPTIMIZE (10)

Exceptions: This function throws GmagickException on error.

Below given programs illustrate the Gmagick::getimagetype() function in PHP:

Used Image:

Program 1:




<?php
  
// Create a new  Gmagick object
$gmagick = new Gmagick('geeksforgeeks.png');
  
// Use getimagetype function
$res = $gmagick->getimagetype();
echo $res;
?>


Output:

6 // Which corresponds to gmagick::IMGTYPE_TRUECOLOR.

Program 2:




<?php
  
// Create a new  Gmagick object
$gmagick = new Gmagick('geeksforgeeks.png');
  
// Set the Image Type 
$gmagick->setImageType(Gmagick::IMGTYPE_PALETTE); 
  
// Use getimagetype function
$res = $gmagick->getimagetype();
echo $res;
?>


Output:

4

Reference: https://www.php.net/manual/en/gmagick.getimagetype.php

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