note 54381 added to function.str-shuffle
| From: | rudigreen at gmail dot com | Date: | Sat, 02 Jul 2005 02:20:00 +0000 |
| Subject: | note 54381 added to function.str-shuffle | ||
| Groups: | php.notes | ||
| Request: | Send a blank email to php-notes+get-91290@lists.php.net to get a copy of this message | ||
Here are 2 functions, one inverts the case of a string and the other one randomizes the
captilization in a string, kinda
useful string operations.
<?
//Inverts the case of a string
function invert_case($str)
{
$nstr = '';
for($i=0;$i<strlen($str);$i++)
{
$char = substr($str,$i,1);
//If it's lower case make it upper case
if($char == strtolower($char))
{
$char = strtoupper($char);
}
else //if it's upper than make it lower
{
$char = strtolower($char);
}
$nstr .= $char;
}
return $nstr;
}
//Randomly capilizes/uncaptilizes chars in a string
function rand_case($str)
{
$nstr = '';
for($i=0;$i<strlen($str);$i++)
{
$char = substr($str,$i,1);
$char = invert_case($char);
//2 options, to change or not to change
rand(0,1) == 1 ? $char = invert_case($char) : null;
$nstr .= $char;
}
return $nstr;
}
//Example:
echo rand_case("pHp rooLz! gUyZ"); //produces something random
echo invert_case("pHP STRiNG sEx");//produces Php strIng SeX
?>
----
Manual Page -- http://www.php.net/manual/en/function.str-shuffle.php
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