str_rot13
(PHP 4 >= 4.2.0, PHP 5, PHP 7, PHP 8)
str_rot13 — Perform the rot13 transform on a string
Description
str_rot13(string
$string): string
Performs the ROT13 encoding on the string argument and
returns the resulting string.
The ROT13 encoding simply shifts every letter by 13 places in the alphabet while leaving non-alpha characters untouched. Encoding and decoding are done by the same function, passing an encoded string as argument will return the original version.
Parameters
-
string -
The input string.
Return Values
Returns the ROT13 version of the given string.
Examples
Example #1 str_rot13() example
<?php
echo str_rot13('PHP 4.3.0'); // CUC 4.3.0
?>
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