IntlChar::isgraph

(PHP 7, PHP 8)

IntlChar::isgraphCheck if code point is a graphic character

Descrizione

public static IntlChar::isgraph(int|string $codepoint): ?bool

Determines 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).

Elenco dei parametri

codepoint

The int codepoint value (e.g. 0x2603 for U+2603 SNOWMAN), or the character encoded as a UTF-8 string (e.g. "\u{2603}")

Valori restituiti

Returns true if codepoint is a "graphic" character, false if not. Returns null on failure.

Esempi

Example #1 Testing different code points

<?php
var_dump
(IntlChar::isgraph("A"));
var_dump(IntlChar::isgraph("1"));
var_dump(IntlChar::isgraph("\u{2603}"));
var_dump(IntlChar::isgraph("\n"));
?>

Il precedente esempio visualizzerĂ :

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

Vedere anche:

  • ctype_graph() - Controlla ogni carattere stampabile tranne lo spazio

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