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IntlChar::isISOControl

(PHP 7, PHP 8)

IntlChar::isISOControl — Check if code point is an ISO control code

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

Determines whether the specified code point is an ISO control code.

true for U+0000..U+001f and U+007f..U+009f (general category "Cc").

codepoint: La valeur codepoint de type entier (i.e. 0x2603 pour U+2603 SNOWMAN), ou le caractère encodé en UTF-8 de type chaîne de caractères (i.e. "\u{2603}")

Returns true if codepoint is an ISO control code, false if not. Returns null on failure.

Exemple #1 Test de différents codepoint

<?php
var_dump(IntlChar::isISOControl(" "));
var_dump(IntlChar::isISOControl("\n"));
var_dump(IntlChar::isISOControl("\u{200e}"));
?>

L'exemple ci-dessus va afficher :

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

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