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This article mainly introduces the method of implementing simple digital verification code in PHP. Interested friends can refer to it. I hope it will be helpful to everyone.
Randomly generated 5-digit verification code written in PHP
$yzm = ""; for($i=0;$i<5;$i++) { $a = rand(0,9); $yzm.= $a; } echo $yzm;
The above example of a simple numeric verification code written in PHP is a small I have compiled all the content shared with you, hoping to give you a reference.
Write a pure digital verification code in phpTeaching
asp.net implementation is simpleDigital verification codeExample
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