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<?php /* Class MAKEpasswd: Make password from selected characters in a string. required arguments: length of a password and characters to use in a password. 1 = a - z 2 = A - Z 3 = a - z and A - Z 4 = a - z, A - Z and 0 - 9 5 = a - z, A - Z, 0 - 9 and chars !#$%&() usage: Make 10 passwords that is 8 characters long and includes characters a - z, A - Z, 0 - 9 and !#$%&() $numTimes = 0; $example = new MAKEpasswd(8,5); while($numTimes < 10) { print($example->makePassword() . "<br>\n"); $numTimes++; } */ class MAKEpasswd { var $intLength; var $pool; function MAKEpasswd($iLength, $iChars) { $this->intLength = $iLength; $this->pool = $this->getPool($iChars); } function getPool($iChars) { switch($iChars) { case 1: /* a - z */ for($i = 0x61; $i <= 0x7A; $i++) { $str .= chr($i); } return $str; break; case 2: /* A - Z */ for($i = 0x41; $i <= 0x5A; $i++) { $str .= chr($i); } return $str; break; case 3: /* a - z and A - Z */ $str = $this->getPool(1); $str .= $this->getPool(2); return $str; break; case 4: /* 0 - 9, A - Z and a - z */ $str = $this->getPool(3); // get chars a - z and A - Z first for($i = 0x30; $i <= 0x39; $i++) { $str .= chr($i); // add chars 0 - 9; } return $str; break; case 5: /* This will add these chars into the string !#$%&() */ $str = $this->getPool(4); for($i = 0x21; $i < 0x29; $i++) { if($i == 0x22 || $i == 0x27) // Exclude characters " and ' { continue; } $str .= chr($i); } return $str; break; } } function makePassword() { srand ((double) microtime() * 1000000); $str=""; while(strlen($str)< $this->intLength) { $str.=$this->pool[rand()%strlen($this->pool)]; } return $str ; } } ?>