(PHP 7, PHP 8)
IntlChar::isJavaIDPart — Check if code point is permissible in a Java identifier
$codepoint
): ?boolDetermines if the specified character is permissible in a Java identifier.
In addition to IntlChar::isIDPart(), true
for characters with general category "Sc" (currency symbols).
codepoint
O valor int do ponto de código (por exemplo, 0x2603
para U+2603 SNOWMAN) ou o caractere codificado como uma string UTF-8 (por exemplo, "\u{2603}"
).
Returns true
if
codepoint
may occur in a Java identifier, false
if not. Returns null
on failure.
Exemplo #1 Testando diferentes pontos de código
<?php
var_dump(IntlChar::isJavaIDPart("A"));
var_dump(IntlChar::isJavaIDPart("$"));
var_dump(IntlChar::isJavaIDPart("\n"));
var_dump(IntlChar::isJavaIDPart("\u{2603}"));
?>
O exemplo acima produzirá:
bool(true) bool(true) bool(false) bool(false)