RandString

string
randString(
 int pass_len = 10,
 pass_chars=false
);

The function returns a string of the specified length consisting of random characters. Random characters can be Latin letters and digits. For example, the function can be used to generate passwords.

Function parameters

Parameter	Description	Available from version
pass_len	Length of resulting random string.
Set of characters	Set of characters. Optional. By default: abcdefghijklnmopqrstuvwxyzABCDEFGHIJKLNMOPQRSTUVWXYZ0123456789. can be an array of character classes and then the resulting string will contain at least one character from each class. Example: echo randString(7, array( "abcdefghijklnmopqrstuvwxyz", "ABCDEFGHIJKLNMOPQRSTUVWXYZ", "0123456789", "!@#\$%^&*()", ));

Parameter

Description

Available from version

pass_len

Length of resulting random string.

Set of characters

Set of characters. Optional. By default: abcdefghijklnmopqrstuvwxyzABCDEFGHIJKLNMOPQRSTUVWXYZ0123456789.

can be an array of character classes and then the resulting string will contain at least one character from each class.

Example:

echo randString(7, array(
  "abcdefghijklnmopqrstuvwxyz",
  "ABCDEFGHIJKLNMOPQRSTUVWXYZ",
  "0123456789",
  "!@#\$%^&*()",
));

Examples of use

<?
$new_password = randString(7);
echo "New password: ".$new_password;
// print the string "New password: fK4ftTP"
?>