A ctype_space() function in PHP is used to check whether each and every character of a string is whitespace character or not. It returns True if the all characters are white space, else returns False.
Syntax :
ctype_space(string text)
Parameter Used:
- text :- It is a mandatory parameter which specifies the string.
Return Value:
Returns TRUE if every character in text contains white space, return false otherwise. the blank character this also includes tab, carriage, vertical tab, line feed, and form feed characters.
Examples:
Input : Output : Yes Explanation: is create white space Input : abc Output : No Explanation: characters "abc" are not white space
Below programs illustrate the ctype_space() function.
Program 1: taking a single string
<?php // PHP program to check given string is // whitespace character or not $string = "/n/t/r"; if (ctype_space($string)) echo "Yes
"; else echo "No
"; ?> |
No
Program: 2 Taking an array of string and checking for whitespace using ctype_space() function
<?php // PHP program to check given string is // whitespace character or not $strings = array('
y xuo', "
gfg
", " "); // Checking above given strings //by used of ctype_space()function . foreach ($strings as $testcase) { if (ctype_space($testcase)) { echo "Yes
"; } else { echo "No
"; } } ?> |
No No Yes
Program: 3
Takes an example ctype_space() function how to work string in both single quotes ‘ ‘ and double quotes ” ” symbol.
<?php // PHP program to check given string is // whitespace character or not $strings = array('
', "
", ' ', " "); // Checking above given strings // by used of ctype_space()function . foreach ($strings as $testcase) { if (ctype_space($testcase)) { echo "Yes
"; } else { echo "No
"; } } ?> |
No Yes No Yes
References :http://php.net/manual/en/function.ctype-space.php
This article is attributed to GeeksforGeeks.org
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