Dutch PHP Conference 2019

IntlChar::islower

(PHP 7)

IntlChar::islowerCheck if code point is a lowercase letter

Descrição

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

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

Nota:

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

Parâmetros

codepoint

Um codepoint integer (por exemplo 0x2603 para U+2603 SNOWMAN), ou um caracter codificado como uma string UTF-8 (exemplo "\u{2603}")

Valor Retornado

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

Exemplos

Exemplo #1 Testando codepoints diferentes

<?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"));
?>

O exemplo acima irá imprimir:

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

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