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IntlChar::isISOControl() function in PHP
The IntlChar::isISOControl() function is used to check whether the entered value is an ISO control code character or not.
Syntax
IntlChar::isISOControl(val)
Parameters
val − A character or integer value encoded as a UTF-8 string.
Return
The IntlChar::isISOControl() function returns TRUE if the entered value is an ISO control code character.
Example
The following is an example −
<?php
var_dump(IntlChar::isISOControl("A"));
echo "<br>";
var_dump(IntlChar::isISOControl("n"));
echo "<br>";
var_dump(IntlChar::isISOControl("T"));
echo "<br>";
var_dump(IntlChar::isISOControl("1"));
?>Output
The following is the output −
bool(false) bool(true) bool(false) bool(false)
Updated on: 30-Dec-2019
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