PHP str_rot13() Function
 Complete PHP String Reference
Definition and Usage
The str_rot13() function performs the ROT13 encoding on a string.
The ROT13 encoding shifts every letter 13 places in the alphabet. Numeric
and non-alphabetical characters remains untouched.
Syntax
| Parameter |
Description |
| string |
Required. Specifies the string to encode |
Tips and Notes
Tip: Encoding and decoding are done by the same function. If you pass
an encoded string as argument, the original string will be returned.
Example
In this example we will encode and decode a string using the str_rot13()
function:
<?php
echo str_rot13("Hello World");
echo "<br />";
echo str_rot13("Uryyb Jbeyq");
?>
|
The output of the code above will be:
Complete PHP String Reference
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