The IntlChar::istitle function is an inbuilt function in PHP which is used to check whether the input character code point is a titlecase letter or not. In True cases, the characters with the general category are “Lt” (titlecase letter).
Syntax:
bool IntlChar::istitle( $codepoint )
Parameters: This function accepts a single parameter $codepoint which is mandatory. The input parameter $codepoint is a character or integer value, which is encoded as a UTF-8 string.
Return Value: Returns True, if $codepoint is a titlecase letter, otherwise return False.
Below programs illustrate the IntlChar::istitle() Function in PHP:
Program 1:
php
<?php// PHP function to illustrate the//use of IntlChar::istitle() // Input Capital letter codepointvar_dump(IntlChar::istitle("Welcome to Geeks")); // Input Capital letter codepointvar_dump(IntlChar::istitle("\u{03A6}")); // Input Capital letter codepointvar_dump(IntlChar::istitle("?")); // Input int char an identifier// of codepoint valuevar_dump(IntlChar::istitle("\u{00A0}")); // Input symbolic space codepoint value var_dump(IntlChar::istitle(" ")); // Input symbolic codepoint value var_dump(IntlChar::istitle(" ^ "));// Input int codepoint value var_dump(IntlChar::istitle("3")); ?> |
Output:
NULL bool(false) bool(false) bool(false) bool(false) NULL bool(false)
Program 2:
php
<?php// PHP function to illustrate the// use of IntlChar::istitle() // Declare an array with// different codepoint value $arr = array("G", "\u{03C6}", "\t", ); // For loop condition to check // each character through functionforeach ($arr as $val) { // Check each element as code point data var_dump(IntlChar::istitle($val));}?> |
Output:
bool(false) bool(false) bool(false)
Reference: https://www.php.net/manual/en/intlchar.istitle.php
