(PHP 7)
Make Unicode character lowercase
public static mixed IntlChar::tolower ( mixed $codepoint )
The given character is mapped to its lowercase equivalent. If the character has no lowercase equivalent, the original character itself is returned.
Parameters:
codepoint
The integer codepoint value (e.g. 0x2603 for U+2603 SNOWMAN), or the character encoded as a UTF-8 string (e.g. "\u{2603}")
Returns:
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:
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:
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