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

    imageconvolution (PHP 5 >= 5.1.0, PHP 7, PHP 8) imageconvolution — Apply a 3x3 convolution matrix, using coefficient and offset

  2. www.geeksforgeeks.org › php › php-imageconvolutionPHP | imageconvolution () Function - GeeksforGeeks

    Jul 11, 2025 · Return Value: This function returns True on success or False on failure. Below programs illustrate the imageconvolution () function in PHP: Program 1: php

  3. www.tutorialspoint.com › article › imageconvolutionimageconvolution () function in PHP - Online Tutorials Library

    The imageconvolution() function in PHP applies a convolution matrix to an image resource. This function is used for image filtering effects like sharpening, blurring, edge detection, and embossing.

  4. www.mirrorservice.org › sites › wwwimageconvolution - mirrorservice.org

    A GdImage object, returned by one of the image creation functions, such as imagecreatetruecolor ().

  5. www.creationdev.net › docs › phpimageconvolution [Ref:fonction-imageconvolution.php]

    imageconvolution 15 nov. 2018 17 fois (PHP 5 >= 5.1.0, PHP 7, PHP 8) imageconvolution — Applique une matrice de la convolution 3x3, en utilisant le coefficient et l'excentrage

  6. php.joaquinfernandez.net › en › imageimageconvolution - PHP Manual

    PHP Manual Function Reference Image Processing and Generation GD GD and Image Functions imageconvolution gd_info getimagesize getimagesizefromstring image_type_to_extension image_type_to_mime_type image2wbmp imageaffine imageaffinematrixconcat imageaffinematrixget imagealphablending imageantialias imagearc imagechar imagecharup imagecolorallocate imagecolorallocatealpha imagecolorat ...

  7. onlinephp.io › imageconvolution › examplesimageconvolution - Examples - OnlinePHP.io

    Examples of imageconvolution. Info and examples on imageconvolution PHP Function