Simple PHP Function Random Characters
Posted by admin
I copy a random character function on PHP.net and modify it because I have notice that if you generate a thousand random character by having it in loop the function generates less than the character limit that you have specified. So my idea is to validate the function result and if it returns less than the limit characters it will execute the function again.
function random_char( $limit=5, $char="abcdefghijklmnpqrstuvwxyz0123456789" ){
for($x = 1; $x <= $limit; $x++){
$new_string .= substr($char, mt_rand(-1, -(strlen($char))), 1 );
}
while(strlen($new_string) < $limit){
$new_string = substr(random_char( $limit ),0,4);
}
return $new_string;
} Back to List | Comments (1) | October 03, 2009 at 03:19 pm
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Wise Words
"It's not about how many you have learned but how much you have utilized and mastered what you have learned."
- by: Mark Lester
1 Responses
Roul Trick says:
Aug 30, 2009 at 10:53 pm
Sometimes it's really that simple, isn't it? I feel a little stupid for not thinking of this myself/earlier, though.