(PHP 7, PHP 8)
IntlChar::isgraph — Check if code point is a graphic character
$codepoint): ?boolDetermines whether the specified code point is a "graphic" character (printable, excluding spaces).
true for all characters except those with general categories "Cc" (control codes), "Cf" (format controls), "Cs" (surrogates), "Cn" (unassigned), and "Z" (separators).
codepointO 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 is a "graphic" character, false if not. Returns null on failure.
Exemplo #1 Testando diferentes pontos de código
<?php
var_dump(IntlChar::isgraph("A"));
var_dump(IntlChar::isgraph("1"));
var_dump(IntlChar::isgraph("\u{2603}"));
var_dump(IntlChar::isgraph("\n"));
?>
O exemplo acima produzirá:
bool(true) bool(true) bool(true) bool(false)