PHP | IntlChar::islower() Function

<?php
// PHP code to illustrate IntlChar::islower()
// function
  
// Input data is character type
var_dump(IntlChar::islower("a"));
var_dump(IntlChar::islower("A"));
var_dump(IntlChar::islower("\u{0041}"));
 
// Input data is control character
var_dump(IntlChar::islower("\t"));
 
// Input data is string type 
var_dump(IntlChar::islower("Geeksforgeeks"));
  
// Input data is number type
var_dump(IntlChar::islower("2018"));
  
// Input data is single digit
var_dump(IntlChar::islower("5"));

?>

<?php
// PHP code to illustrate IntlChar::islower()
     
// Declare an array $arr
$arr = array("a", "\u{FF41}", "A", "\u{0041}", "0", "\n", "123", "Geeks");

// \u{0041} is ASCII value of 'A'
// \u{FF41} is ASCII value of 'a'

// Loop run for every array element
foreach ($arr as $val){
        
    // Check each element as code point data
    var_dump(IntlChar::islower($val));
}
?>