update : 2015.11.03
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Check if code point is a lowercase letter

IntlChar::islower

(PHP 7)

IntlChar::islowerCheck if code point is a lowercase letter

설명

public static bool IntlChar::islower ( mixed $codepoint )

Determines whether the specified code point has the general category "Ll" (lowercase letter).

Note:

This misses some characters that are also lowercase but have a different general category value. In order to include those, use IntlChar::isULowercase().

인수

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}")

반환값

Returns TRUE if codepoint is an Ll lowercase letter, FALSE if not.

예제

Example #1 Testing different code points

<?php
var_dump
(IntlChar::islower("A"));
var_dump(IntlChar::islower("a"));
var_dump(IntlChar::islower("Φ"));
var_dump(IntlChar::islower("φ"));
var_dump(IntlChar::islower("1"));
?>

위 예제의 출력:

bool(false)
bool(true)
bool(false)
bool(true)
bool(false)

참고