PHP | IntlChar::ispunct() Function

The IntlChar::ispunct() function is an inbuilt function in PHP which is used to check whether the given input character is a punctuation character or not.

Syntax:  

bool IntlChar::ispunct( $codepoint )

Parameters: This function accepts a single parameter $codepoint which is mandatory. The input parameter is an integer values or character, which is encoded as a UTF-8 string.

Return Value: If $codepoint is a punctuation character then it returns True, otherwise return False.

Below programs illustrate the IntlChar::ispunct() function in PHP:

Program 1:  

<?php
// PHP code to illustrate IntlChar::ispunct()
// function
  
// Input data is character type
var_dump(IntlChar::ispunct("G"));
 
// Input data is control character
var_dump(IntlChar::ispunct("\t"));
 
// Input data is string type 
var_dump(IntlChar::ispunct("Geeksforgeeks"));
  
// Input data is number type
var_dump(IntlChar::ispunct("2018"));
  
// Input data is single digit
var_dump(IntlChar::ispunct("5"));

// Input data is punctuation character dot
var_dump(IntlChar::ispunct("."));

// Input data is punctuation character comma
var_dump(IntlChar::ispunct(","));
 
?>

Output:  

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

Note: If String and Numbers (except single digit number) are used as a parameter then it returns NULL.

Program 2:  

<?php
// PHP code to illustrate IntlChar::ispunct()
     
// Declare an array $arr
$arr = array("&", "%", "@", "!", "(", ")", ".", ",", "/", "G", "0");
    
// Loop run for every array element
foreach ($arr as $val){
        
    // Check each element as code point data
    var_dump(IntlChar::ispunct($val));
}
?>

Output: 

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

Related Articles: 

• PHP | IntlChar::isblank() Function
• PHP | IntlChar::isalpha() Function
• PHP | IntlChar::iscntrl() Function

Reference: http://php.net/manual/en/intlchar.ispunct.php