randomPasswordGenerator.php

<?php
/**
 * Generate a random human-readable passwort
 * Including the modifications by Josh Hartman made on 12/30/2010.   https://github.com/joshhartman
 * Josh added the ability to append a double digit number
 * I added a parameter to decide on whether to append the number
 *
 * Also, if the length is not dividable by 2, the length of the password will be $length + 1
 *
 * @param int $length
 *
 * @return string
 */
function generateRandomPassword( $length = 16, $appendNumber = true ) {
	if ( ( $length % 2 ) !== 0 ) { // Length paramenter must be a multiple of 2
		$length = $length + 1;
	}

	if ( $appendNumber ) {
		$length = $length - 2;
	}; // Makes room for the two-digit number on the end
	$conso    = array( 'b', 'c', 'd', 'f', 'g', 'h', 'j', 'k', 'l', 'm', 'n', 'p', 'r', 's', 't', 'v', 'w', 'x', 'y', 'z' );
	$vocal    = array( 'a', 'e', 'i', 'o', 'u' );
	$password = '';
	srand( (double) microtime() * 1000000 );
	$max = $length / 2;
	for ( $i = 1; $i <= $max; $i ++ ) {
		$password .= $conso[ rand( 0, 19 ) ];
		$password .= $vocal[ rand( 0, 4 ) ];
	}
	if ( $appendNumber ) {
		$password .= rand( 10, 99 );
	}
	$newpass = $password;

	return $newpass;
}