IntlChar::tolower
(PHP 7)
IntlChar::tolower — Make Unicode character lowercase
Description
The given character is mapped to its lowercase equivalent. If the character has no lowercase equivalent, the original character itself is returned.
Parameters
Return Values
Returns the Simple_Lowercase_Mapping of the code point, if any; otherwise the code point itself.
The return type will be integer unless the code point was passed as a UTF-8 string, in which case a string will be returned.
Examples
Example #1 Testing different code points
<?php
var_dump(IntlChar::tolower("A"));
var_dump(IntlChar::tolower("a"));
var_dump(IntlChar::tolower("Φ"));
var_dump(IntlChar::tolower("φ"));
var_dump(IntlChar::tolower("1"));
var_dump(IntlChar::tolower(ord("A")));
var_dump(IntlChar::tolower(ord("a")));
?>
The above example will output:
string(1) "a" string(1) "a" string(2) "φ" string(2) "φ" string(1) "1" int(97) int(97)
See Also
- IntlChar::totitle() - Make Unicode character titlecase
- IntlChar::toupper() - Make Unicode character uppercase
- mb_strtolower() - Make a string lowercase
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Document created the 30/01/2003, last modified the 26/10/2018
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References
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