PHP generates a string of random numbers, letters, or numbers mixed with letters

This time for you to bring PHP to generate random numbers, letters or alphanumeric mixed strings, PHP to generate random numbers, letters or alphanumeric mixed string of considerations, the following is the actual case, together to see.

PHP generates random strings that can be specified as pure or plain letters or mixed.

example, you can specify a random string of length.

<?php//generates a random string function Rand_zifu ($what, $number) {$string = '; for ($i = 1; $i <= $number; $i + +) {//mixed $panduan =1; what = = 3) {if (==1) {$what = 1;} else{$what =2;} $panduan = 2; }//number if ($what ==1) {$string. =rand (0,9);} ElseIf ($what ==2) {//Letters $rand =rand (0,24); $b = ' a '; for ($a =0; $a <= $rand; $a + +) {$b + +;} $string. = $b;} if ($panduan ==2) $WH at=3; } return $string; } Echo Rand_zifu (3,10);

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