PHP : convert_cyr_string() function


The convert_cyr_string() function is used to converts a string from one Cyrillic character set to another.

List of supported Characters.

Symbol Character set
k koi8-r
w windows-1251
i iso8859-5
a x-cp866
d x-cp866
m x-mac-cyrillic


(PHP 4 and above)


 convert_cyr_string(main_string, source_string, target_string)


Name Description Required /
main_string Main string to be converted. Required String
source_string The source Cyrillic character set (as a single character). Required String
target_string The target Cyrillic character set (as a single character). Required String

Return values

The modified string.

Value Type: String.

Pictorial Presentation



$main_string = 'Good Morning..';
echo $main_string.'<br>';
echo convert_cyr_string($main_string, 'w', 'k');


Good Morning..
Good Morning..

View the example in the browser

See also

PHP Function Reference

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PHP: Tips of the Day

In PHP, there are two versions of logical AND and OR operators.

Operator True if
$a and $b Both $a and $b are true
$a && $b Both $a and $b are true
$a or $b Either $a or $b is true
$a || $b Either $a or $b is true

Note that the && and || opererators have higher precedence than and and or. See table below:

Evaluation Result of $e Evaluated as
$e = false || true True $e = (false || true)
$e = false or true False ($e = false) or true

Because of this it's safer to use && and || instead of and and or.