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PHP make sure string has no whitespace?
To check whether a string has no whitespace, use the preg_match() in PHP.
The syntax is as follows
preg_match('/\s/',$yourVariableName);
Example
The PHP code is as follows
<!DOCTYPE html>
<html>
<body>
<?php
$name="John Smith";
if ( preg_match('/\s/',$name) ){
echo "The name (",$name,") has the space";
} else {
echo "The Name (",$name,") has not the space";
}
?>
</body>
</html>
Output
This will produce the following output
The name (John Smith) has the space
Updated on: 2020-10-13T08:48:42+05:30
3K+ Views
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