IntlChar::isUUppercase() function in PHP

The IntlChar::isUUppercase() function checks whether the given input character is an Uppercase Unicode character or not.

Syntax

IntlChar::isUUppercase(val)

Parameters

• val − It is a character value, which is encoded as a UTF-8 string.

Return

The IntlChar::isUUppercase() function returns TRUE if the val is an Uppercase Unicode character or not.

Example

The following is an example −

<?php
   var_dump(IntlChar::isUUppercase("2"));
   echo "<br>";
   var_dump(IntlChar::isUUppercase("Jack"));
   echo "<br>";
   var_dump(IntlChar::isUUppercase("K"));
?>

Output

The following is the output −

bool(false)
NULL
bool(true)

Example

Let us see another example −

<?php
   var_dump(IntlChar::isUUppercase("*"));
   echo "<br>";
   var_dump(IntlChar::isUUppercase("n"));
   echo "<br>";
   var_dump(IntlChar::isUUppercase("D"));
?>

Output

The following is the output −

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