IntlChar::isISOControl

(PHP 7)

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

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public static IntlChar::isISOControl ( mixed $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").

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codepoint

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

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Returns TRUE if codepoint is an ISO control code, FALSE if not.

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Example #1 Testing different code points

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

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

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