Introduction to how PHP verification code is written in pure numbers

The following editor will bring you a simple digital verification code example written in PHP. The editor thinks it’s pretty good, so I’ll share it with you now and give it as a reference. Let’s follow the editor and take a look.

Randomly generated 5-digit verification code written in PHP

$yzm = "";
  for($i=0;$i<5;$i++)
  {
  $a = rand(0,9);
  $yzm.= $a;
  }
echo $yzm;

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