Assessing Grey Level of an Image with PHP

By Waicung in PHP on

<?php /** * Get gray level of some position of an image */ function get_gray_rgb($image, $x, $y) { $rgb = imagecolorat($image, $x, $y); //level of red, green and blue $red = ($rgb >> 16) & 0xFF; $green = ($rgb >> 8 ) & 0xFF; $blue = $rgb & 0xFF; //formula to calculate…

Basis of Composer for PHP

By Waicung in PHP on

The Core File composer.json The Keys The require Key Specifying the dependency of the project, the packages that the project depends on. { "require": { "monolog/monolog": "1.0.*" // "package name" : "version" } } Package Name (monolog/monolog) Consist of a vendor name…