php script to get the lists of mysqldump on windows or mac/linux.

mysqldump_list_using_array.php

<?php 
	/* 
	|	title           : mysqldump_list_using_array.php
	|	description     : php script to get the lists of mysqldump on windows or mac/linux.
	| author          : Agung Pambudi
	| website         : http://agungpambudi.com
	|	email           : mail@agungpambudi.com
	| source          : https://www.php.net/manual/en/index.php, https://www.php.net/manual/en/function.array-merge.php
	| 			                         _         _ _
	|  ___ ___ _ _ ___ ___ ___ ___ _____| |_ _ _ _| |_|  ___ ___ _____
	| | .'| . | | |   | . | . | .'|     | . | | | . | |_|  _| . |     |
	| |__,|_  |___|_|_|_  |  _|__,|_|_|_|___|___|___|_|_|___|___|_|_|_|
	|     |___|       |___|_|
	|
	|
	*/
	
	function mysqldump_list() {

		// check if current operating system is windows
		// and check if glob function is exists
		// echo (function_exists('glob')) ? 'glob function is available' : 'glob function is not available';

		if ('win' == strtolower(substr(PHP_OS, 0, 3)) && function_exists('glob')) {			

			$drives = array('C', 'D', 'E', 'F');
			
			// determine whether a variable is empty using empty() function
			if (!empty($_SERVER['DOCUMENT_ROOT'])) {
				// get the drive that this is running on
				$current_drive = strtoupper(substr($_SERVER['DOCUMENT_ROOT'], 0, 1));

				// checks if a value from $current_drive variable exists in an $drives array using in_array()
				if (!in_array($current_drive, $drives)) array_unshift($drives, $current_drive);

				// array_unshift function (append data and put on the first list)
				// $queue = array("university", "college");
				// array_unshift($queue, "lecturer", "degree");	

				// Array
				// (
				//     [0] => lecturer
				//     [1] => degree
				//     [2] => university
				//     [3] => college
				// )
			}
			
			$directories = array();
			
			foreach ($drives as $drive_letter) {

				// glob() function searches all pathnames based on pattern
				$dir = glob("$drive_letter:\\{Apps\\AppServ\\{,MySQL*,etc}{,\\bin,\\?},mysqldump}\\mysqldump*", GLOB_BRACE);

				// check if $dir variable is an array using is_array()
				if (is_array($dir)) $directories = array_merge($directories, $dir);

				// array_merge() function is to use merge one or more arrays
				// $array1 = array("color" => "red", 2, 4);
				// $array2 = array("a", "b", "color" => "green", "shape" => "trapezoid", 4);
				// $result = array_merge($array1, $array2);

				// Array
				// (
				//     [color] => green
				//     [0] => 2
				//     [1] => 4
				//     [2] => a
				//     [3] => b
				//     [shape] => trapezoid
				//     [4] => 4
				// )
			}
			
			$drive_string = implode(',', $directories); // adding comma separated in array using implode() function
			return $drive_string;
			
		} else {
			return "/usr/bin/mysqldump,/bin/mysqldump,/usr/local/bin/mysqldump,/usr/sfw/bin/mysqldump,/usr/xdg4/bin/mysqldump,/opt/bin/mysqldump";
		}
	}

	echo "mysqldump path : " . mysqldump_list() . "\n";

?>