PHP | ctype_space() Function
Last Updated :
06 Feb, 2023
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 also includes tab, carriage, vertical tab, line feed, and form feed characters. Examples:
Input : \r
Output : Yes
Explanation: \r is create white space
Input : abc\r
Output : No
Explanation: characters "abc" are not white space
Below programs illustrate the ctype_space() function. Program 1: taking a single string
php
<?php
$string = "/n/t/r";
if (ctype_space( $string ))
echo "Yes \n";
else
echo "No \n";
?>
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Program: 2 Taking an array of string and checking for whitespace using ctype_space() function
PHP
<?php
$strings = array ( '\n\y\t\x\u\o' , "\ngfg\n", "\t");
foreach ( $strings as $testcase ) {
if (ctype_space( $testcase )) {
echo "Yes \n";
} else {
echo "No \n";
}
}
?>
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Program: 3 Takes an example ctype_space() function how to work string in both single quotes ‘ ‘ and double quotes ” ” symbol.
PHP
<?php
$strings = array ( '\n' , "\n", '\t' , "\t");
foreach ( $strings as $testcase ) {
if (ctype_space( $testcase )) {
echo "Yes \n";
} else {
echo "No \n";
}
}
?>
|
References :http://php.net/manual/en/function.ctype-space.php
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