IntlChar::tolower
PHP function
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(PHP 7, PHP 8)
Make Unicode character lowercase
Description
IntlChar::tolower(int|string $codepoint): int|string|null
The given character is mapped to its lowercase equivalent. If the character has no lowercase equivalent, the original character itself is returned.
Parameters
codepointParameter
Return Values
Returns the Simple_Lowercase_Mapping of the code point, if any; otherwise the code point itself. Returns null on failure.
Return
Examples
Example
php
<?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:
output
string(1) "a"
string(1) "a"
string(2) "φ"
string(2) "φ"
string(1) "1"
int(97)
int(97)