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( "Geeksforneveropen" )); // 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" , "neveropen" , "^" , "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)
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