PHP | IntlChar::isJavaIDStart() Function

<?php
// PHP function to illustrate the
// use of IntlChar::isJavaIDStart()
   
// Input string codepoint value with
// Capital and small letter
var_dump(IntlChar::isJavaIDStart("R"));

// Input string codepoint value with small character
var_dump(IntlChar::isJavaIDStart("r"));

// Input control character codepoint value 
var_dump(IntlChar::isJavaIDStart("\n"));
  
// Input string codepoint value 
var_dump(IntlChar::isJavaIDStart("Bug"));
   
// Input int codepoint value 
var_dump(IntlChar::isJavaIDStart("3 "));
 
// Input int char an identifier
// of codepoint value
var_dump(IntlChar::isJavaIDStart("\u{007F}"));
  
// Input symbolic codepoint value 
var_dump(IntlChar::isJavaIDStart(" @ "));
var_dump(IntlChar::isJavaIDStart(" $ "));
 
?>

<?php
// PHP function to illustrate the
// use of IntlChar::isJavaIDStart()
 
// Declare an array with
// different codepoint value 
$arr = array("C",
             " ", 
             "\n",
             " #",
             "\t",
             "Code",
        );
   
// For loop condition to check 
// each character through function
foreach ($arr as $val) {
       
    // Check each element as code point data
    var_dump(IntlChar::isJavaIDStart($val));
}
?>