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Syntax:array imagecolorsforindex ($image, $index)Parameters: This function takes two parameters as above and described below:
- $image:The imagecreatetruecolor() function is used to create an image with a given size. This function creates an empty image of the specified size.
- $index:this parameter is used to specify the color index.
// save the image to a variable. $image = imagecreatefrompng ( ’ https://media.engineerforengineer.org/w p-content / uploads / engineerforengineer-9.png ’ );
// Calculate the rgb pixel value at the percular point. $rgb = imagecolorat ( $image , 30, 25);
// Assign a color name and value. $colors = imagecolorsforindex ( $image , $rgb ); var_dump ( $colors ); ?> Output:array (4) {["red"] = > int (34) ["green"] = > int (170) ["blue"] = > int (66) ["alpha"] = > int (0)} Program 2:
// save the image to a variable. $image = imagecreatefrompng ( ’ https://media.engineerforengineer.org/wp-content/uploads/col1.png ’ );
// index value $index_x = 230; $index_y = 120;
// Calculate the rgb pixel value at the percular point. $rgba_color = imagecolorat ( $image , $index_x , $index_y );
// Assign a color name and value. $colors = imagecolorsforindex ( $image , $rgba_color ); var_dump ( $colors ); ?> Output:array (4) {["red"] = > int (97) ["green"] = > int (57) ["blue"] = > int (104) ["alpha"] = > int (0)} Related Articles: - PHP | Imagecolorclosestalpha() Function
- PHP | imagecolorat() function
Link: http://php.net/manual/en/function.imagecolorsforindex.php
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We hope this article has helped you to resolve the problem. Apart from PHP Imagecolorsforindex () Function, check other array Python module-related topics.
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Olivia Krasiko
London | 2023-03-23
Thanks for explaining! I was stuck with PHP Imagecolorsforindex () Function for some hours, finally got it done 🤗. Checked yesterday, it works!
Chen Nickolson
Moscow | 2023-03-23
Thanks for explaining! I was stuck with PHP Imagecolorsforindex () Function for some hours, finally got it done 🤗. I am just not quite sure it is the best method
Manuel Wu
Tallinn | 2023-03-23
I was preparing for my coding interview, thanks for clarifying this - PHP Imagecolorsforindex () Function in Python is not the simplest one. I just hope that will not emerge anymore
