Generate 4 Digit Random Number in PHP

rand() or mt_rand() functions can be used to Generate 4 Digit Random Number in PHP. Examples given below show how to generate 4 digit number using rand and mt_rand functions.

Generate 4 Digit Random Number using rand()

To generate 4 digit number using rand() function we will define the lowest number and highest number as it's parameters. The rand() function will return a random integer between min and max numbers (including min and max numbers).

Syntax of rand()

The syntax of rand() function is given below.

<?php
rand(min,max);
?>

Example 1

<?php
$FourDigitRandomNumber = rand(1231,7879);
echo $FourDigitRandomNumber;
?>

Output

3425

Generate 4 Digit Random Number using mt_rand()

mt_rand() function is just like rand() function but it is 4 times faster than rand() function. To use mt_rand() function define min and max numbers. The mt_rand() function will return a random integer between min and max numbers (including min and max numbers).

Syntax of mt_rand()

The syntax of mt_rand() function is given below.

<?php
mt_rand(min,max);
?>

The mt_rand() returns false if second number is smaller than first one.

Example 2

<?php
$FourDigitRandomNumber = mt_rand(1111,9999);
echo $FourDigitRandomNumber;
?>

Demo

Also Read:

Generate 1 Digit Random Number in PHP
Generate 2 Digit Random Number in PHP
Generate 3 Digit Random Number in PHP
Generate 5 Digit Random Number in PHP
Generate 6 Digit Random Number in PHP
Generate 7 Digit Random Number in PHP
Generate 8 Digit Random Number in PHP
Generate 9 Digit Random Number in PHP
Generate 10 Digit Random Number in PHP
How To Remove Empty Array Elements with PHP How To Remove Common Values from two Arrays with PHP How To Find sum of array values with PHP How To Shuffle array Values in PHP How to Remove Duplicate Values from an array with PHP PHP Sort Associative array by Key PHP Sort Associative array by Value Sort array in numerical order with PHP Sort array in alphabetical order with PHP Sort array in descending order PHP Sort array in ascending order in PHP How to merge two or more arrays in PHP Add elements to the end of an array in PHP Add elements to the start of an array in PHP PHP Remove First Element from an Array PHP Remove Last Element from an Array Check if Key Exists in array PHP Check if Value exists in array PHP How to reverse an array in PHP PHP Print array line by line PHP Echo array values using foreach loop Count array values in PHP PHP Count How Many Times Word appears in String How to Reverse a String with PHP Check if Variable is Null in PHP