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// PHP code to illustrate IntlChar::isprint()// function // Input data is character typevar_dump(IntlChar::isprint("G")); // Input data is special charactervar_dump(IntlChar::isprint("@"));// Input data is control charactervar_dump(IntlChar::isprint("\t"));// Input data is string type var_dump(IntlChar::isprint("Geeksforzambiatek")); // Input data is numbervar_dump(IntlChar::isprint("2018")); // Input data is single digitvar_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", "zambiatek", "^", "1001", "6", "\n", "\n\n", "\t"); // Loop run for every array elementforeach ($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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