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PHP | IntlChar::isprint() Function

  • Last Updated : 05 Nov, 2020

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

Syntax: 

bool IntlChar::isprint( $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 printable character then it returns True, otherwise return False.

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



Program 1:  

PHP




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

Output: 

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

Note: If String and Numbers are used as a parameter then it returns NULL.

Program 2:  

PHP




<?php
// PHP code to illustrate IntlChar::isprint()
    
// Declare an array $arr
$arr = array("G", "GeeksforGeeks", "^", "1001", "6",
                                "\n", "\n\n", "\t");
   
// Loop run for every array element
foreach ($arr as $val){
       
    // Check each element as code point data
    var_dump(IntlChar::isprint($val));
}
?>

Output: 

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

Related Articles: 

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




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