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Php unique random number

Random number generator in php

you can use rand() function for that in php.
Example:
Generate random numbers between 1 to 50
<?php
  echo rand(1,50);
?>

16

Php unique random number

$uniqueCode = md5(uniqid(rand(), true)); echo $uniqueCode;

0

Randstring php

<?php 
    $random = substr(md5(mt_rand()), 0, 7);
    echo $random;
?>

0

Source: stackoverflow.com

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