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# imageconvolution

(PHP 5 >= 5.1.0RC1)

imageconvolution -- Apply a 3x3 convolution matrix, using coefficient div and offset

## Description

bool imageconvolution ( resource image, array matrix3x3, float div, float offset )

Returns `TRUE` on success or `FALSE` on failure.

Warning
This function is currently not documented; only the argument list is available.

> Note: This function is only available if PHP is compiled with the bundled version of the GD library.

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