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IntlChar::isIDStart() function in PHP
The IntlChar::isIDStart() function is used to check whether the entered character is permissible since the first character is anidentifier or not.
Syntax
bool IntlChar::isIDStart(val)
Parameters
val − A character or integer value encoded as a UTF-8 string.
Return
The IntlChar::isIDStart()function returns TRUE if val is an identifier character.
Example
The following is an example −
<?php
var_dump(IntlChar::isIDStart("Tom"));
echo "<br>";
var_dump(IntlChar::isIDStart("9"));
echo "<br>";
var_dump(IntlChar::isIDStart("A"));
?>Output
The following is the output −
NULL bool(false) bool(true)
Updated on: 30-Dec-2019
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