PHP | IntlChar::isprint() Function
Last Updated :
05 Nov, 2020
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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 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 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:
- PHP | IntlChar::iscntrl() Function
- PHP | IntlChar::isalpha() Function
- PHP | IntlChar::isblank() Function
- PHP | IntlChar::isbase() Function
Reference: http://php.net/manual/en/intlchar.isprint.php
