STR_ROT13(3) 1 STR_ROT13(3)str_rot13 - Perform the rot13 transform on a stringSYNOPSIS
string str_rot13 (string $str)
DESCRIPTION
Performs the ROT13 encoding on the $str 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
o $str
- The input string.
RETURN VALUES
Returns the ROT13 version of the given string.
EXAMPLES
Example #1
str_rot13(3) example
<?php
echo str_rot13('PHP 4.3.0'); // CUC 4.3.0
?>
PHP Documentation Group STR_ROT13(3)
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MB_STRTOUPPER(3) 1 MB_STRTOUPPER(3)mb_strtoupper - Make a string uppercaseSYNOPSIS
string mb_strtoupper (string $str, [string $encoding = mb_internal_encoding()])
DESCRIPTION
Returns $str with all alphabetic characters converted to uppercase.
PARAMETERS
o $str
- The string being uppercased.
o $encoding
-The $encoding parameter is the character encoding. If it is omitted, the internal character encoding value will be used.
RETURN VALUES
$str with all alphabetic characters converted to uppercase.
UNICODE
For more information about the Unicode properties, please see http://www.unicode.org/unicode/reports/tr21/.
By contrast to strtoupper(3), 'alphabetic' is determined by the Unicode character properties. Thus the behaviour of this function is not
affected by locale settings and it can convert any characters that have 'alphabetic' property, such as a-umlaut (a).
EXAMPLES
Example #1
mb_strtoupper(3) example
<?php
$str = "Mary Had A Little Lamb and She LOVED It So";
$str = mb_strtoupper($str);
echo $str; // Prints MARY HAD A LITTLE LAMB AND SHE LOVED IT SO
?>
Example #2
mb_strtoupper(3) example with non-Latin UTF-8 text
<?php
$str = "Txiotn a
nE Baos unuvn yn, dpaokeCei unp vw0po kuvs";
$str = mb_strtoupper($st_, 'UTF-8'); _ _ _ _
echo $str; // Prints TXI>TH A/TTHH BAO> YHMNH | H, /PA>KE/EI YTTP NOOPO KYN>
?>
SEE ALSO mb_strtolower(3), mb_convert_case(3), strtoupper(3).
PHP Documentation Group MB_STRTOUPPER(3)