PHP code example of texthtml / maybe

1. Go to this page and download the library: Download texthtml/maybe library. Choose the download type require.

2. Extract the ZIP file and open the index.php.

3. Add this code to the index.php.

    
        
<?php
require_once('vendor/autoload.php');

/* Start to develop here. Best regards https://php-download.com/ */

texthtml / maybe example snippets


/**
 * @return Option<float>
 */
function divide(float $numerator, float $denominator): Option {
    return match ($denomintor) {
        0.0 => Option\none(),
        default => Option\some($numerator / $denominator),
    };
}

// The return value of the function is an option
$result = divide(2.0, 3.0);

// Pattern match to retrieve the value
if ($result->isSome()) {
    // The division was valid
    echo "Result: {$option->unwrap()}";
} else {
    // The division was invalid
    echo "Cannot divide by 0";
}


/**
 * @return Result<int,string>
 */
function parse_version(string $header): Result {
    return match ($header[0] ?? null) {
        null => Result\err("invalid header length"),
        "1" => Result\ok(1),
        "2" => Result\ok(2),
        default => Result\err("invalid version"),
    };
}

$version = parse_version("1.x");
if ($version->isOk()) {
    echo "working with version: {$version->unwrap()}";
} else {
    echo "error parsing header: {$version->unwrapErr()}";
}
// @prints working with version: 1