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1. www.php.net › manual › enPHP: imageantialias - Manual

   www.php.net › manual › en

   imageantialias (PHP 4 >= 4.3.2, PHP 5, PHP 7, PHP 8) imageantialias — Should antialias functions be used or not

2. www.geeksforgeeks.org › php › php-imageantialiasPHP | imageantialias() Function - GeeksforGeeks

   www.geeksforgeeks.org › php › php-imageantialias

   Jul 11, 2025 · The imageantialias () function is an inbuilt function in PHP which is used to check whether antialias function is used or not. This function activate the fast drawing anti-aliased methods for lines and wired polygons.

3. www.tutorialspoint.com › article › how-to-checkHow to check antialias functions be used or not by using ...

   www.tutorialspoint.com › article › how-to-check

   The imageantialias () function is an inbuilt PHP function that enables or disables antialiasing for drawing operations. It activates fast drawing anti-aliased methods for lines and wired polygons, working only with true-color images without alpha component support.

4. phpsources.net › functionimageantialias — Utiliser ou non les fonctions d'antialias

   phpsources.net › function

   Active les méthodes de dessin rapide antialias concernant les lignes et les polygones. Les composantes alpha ne sont pas supportées. Fonctionne en utilisant une opération directe de mélange, uniquement avec les images truecolor.

5. phpdoctest.github.io › en › functionPHP Manual: Should antialias functions be used or not

   phpdoctest.github.io › en › function

   Parameters image An image resource, returned by one of the image creation functions, such as imagecreatetruecolor. enabled Whether to enable antialiasing or not.

6. stackoverflow.com › questions › 5756144php - imageantialias call to undefined function error with GD ...

   stackoverflow.com › questions › 5756144

   imageantialias() is a function of the PHP GD extension. Is GD installed and properly configured? From your code it seems that GD is installed because imagecreatetruecolor() is also a GD function and seems to work. This leads to the conclusion that you're using a PHP version prior to 4.3.2, which doesn't support imageantialias().

7. People also ask

   Is imageantialias available in PHP?

   • imageantialias () is now generally available. Formerly it was only available if PHP was compiled with the bundled version of the GD library. Example #1 A comparison of two lines, one with anti-aliasing switched on The above example will output something similar to:

   PHP: imageantialias - Manual

   www.php.net/manual/en/function.imageantialias.php

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   Why is the function imageantialias not defined?

   • The error says that the function is not defined, so be sure you have the function defined in that file, or you have included a file where that function is defined. UPDATE: It seems the function imageantialias () is only available if PHP is compiled with GD, so it is not enough to have the extension included via extension file.

   php - imageantialias call to undefined function error with

   stackoverflow.com/questions/5756144/imageantialias-call-to-undefined-function-error-with-gd-installed

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   What does imageantialias() do?

   • Whether to enable antialiasing or not. Returns true on success or false on failure. image expects a GdImage instance now; previously, a valid gd resource was expected. imageantialias () is now generally available. Formerly it was only available if PHP was compiled with the bundled version of the GD library.

   PHP: imageantialias - Manual

   www.php.net/manual/en/function.imageantialias.php

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   Why is imageantialias not working?

   • That means you either spelled the imageantialias () function incorrectly or you haven't defined that function in your code or the third party code it belongs to wasn't included in your current document. UPDATE: GD is installed. This is a mystery.

   php - imageantialias call to undefined function error with

   stackoverflow.com/questions/5756144/imageantialias-call-to-undefined-function-error-with-gd-installed

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8. php-safari.com › function › imageantialiasPHP function - imageantialias | PHP Safari

   php-safari.com › function › imageantialias

   imageantialias Supported Versions: PHP 4 >= 4.3.2, PHP 5, PHP 7, PHP 8 Should antialias functions be used or not