PHP | IntlChar::isprint() Function
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
var_dump(IntlChar::isprint( "G" ));
var_dump(IntlChar::isprint( "@" ));
var_dump(IntlChar::isprint( "\t" ));
var_dump(IntlChar::isprint( "Geeksforgeeks" ));
var_dump(IntlChar::isprint( "2018" ));
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
$arr = array ( "G" , "GeeksforGeeks" , "^" , "1001" , "6" ,
"\n" , "\n\n" , "\t" );
foreach ( $arr as $val ){
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
Last Updated :
05 Nov, 2020
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