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IntlChar::isIDPart() function in PHP

The IntlChar::isIDPart() function is used to check whether the entered character is an identifier or not

Syntax

bool IntlChar::isIDPart(val)

Parameters

  • val − A character value encoded as a UTF-8 string.

Return

The IntlChar::isIDPart()function returns TRUE if the entered value is an identifier character.

Example

The following is an example −

<?php
   var_dump(IntlChar::isIDPart("J"));
   echo "<br>";
   var_dump(IntlChar::isIDPart("j"));
   echo "<br>";
   var_dump(IntlChar::isIDPart("&"));
   echo "<br>";
   var_dump(IntlChar::isIDPart("12"));
   echo "<br>";
?>

Output

The following is the output −

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