PHP Exercises: Convert word to digit

PHP: Exercise-33 with Solution

Write a PHP program to convert word to digit.

Input: zero;three;five;six;eight;one
Output: 035681

Sample Solution:

PHP Code:

<?php
// Function to convert words to digits
function word_digit($word) {
    // Explode the input string into an array based on the delimiter ';'
    $warr = explode(';', $word);
    
    // Initialize a variable to store the result
    $result = '';

    // Iterate over each word in the array
    foreach ($warr as $value) {
        // Switch statement to convert each word to its corresponding digit
        switch (trim($value)) {
            case 'zero':
                $result .= '0';
                break;
            case 'one':
                $result .= '1';
                break;
            case 'two':
                $result .= '2';
                break;
            case 'three':
                $result .= '3';
                break;
            case 'four':
                $result .= '4';
                break;
            case 'five':
                $result .= '5';
                break;
            case 'six':
                $result .= '6';
                break;
            case 'seven':
                $result .= '7';
                break;
            case 'eight':
                $result .= '8';
                break;
            case 'nine':
                $result .= '9';
                break;    
        }
    }
    
    // Return the final result
    return $result;
}

// Test cases
echo word_digit("zero;three;five;six;eight;one") . "\n";
echo word_digit("seven;zero;one") . "\n";
?>

Sample Output:

035681                                                                 
701

Flowchart:

PHP Code Editor:

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