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How to Use ltrim() Function in PHP 8.1 and 8.2 With Example

Support PHP Version: PHP 7.1, PHP 7.2, PHP 7.3, PHP 7.4, PHP 8.0, PHP 8.1, PHP 8.2, PHP 8.3 With Latest All Version Support.

The `ltrim()` function in PHP is used to remove whitespace or other predefined characters from the beginning (left side) of a string. This function is available in both PHP 8.1 and PHP 8.2. Here’s how you can use it with an example:


// Original string with leading whitespace
$string = " Hello, World!";

// Trim whitespace from the beginning of the string
$trimmed_string = ltrim($string);

// Output the trimmed string
echo "Original string: '$string'<br>";
echo "Trimmed string: '$trimmed_string'";


In this example, the `ltrim()` function is applied to the original string `” Hello, World!”`. It removes the leading whitespace characters from the beginning of the string. The resulting trimmed string is then stored in the variable `$trimmed_string`.

The output will be:

Original string: ' Hello, World!'
Trimmed string: 'Hello, World!'

This function is useful when you need to sanitize user input or clean up strings where leading whitespace might be present.