How can one ensure that there are no unwanted spaces in a string manipulation process in PHP?

When manipulating strings in PHP, unwanted spaces can be removed using the `trim()` function. This function removes any leading and trailing whitespace from a string, ensuring that there are no unwanted spaces. 

// Example code to remove unwanted spaces from a string
$string = "   Hello, World!   ";
$trimmedString = trim($string);

echo $trimmedString; // Output: "Hello, World!"

Keywords

trim PHP string manipulation whitespace character manipulation

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