examples/common.php ➔ ask()

Complexity

Conditions	5
Paths	10

Size

Total Lines

18

Duplication

Lines	0
Ratio	0 %

Importance

Changes

0

<?php
function ask($prompt, $regex, $default = '')
{
    $msg = $prompt . (empty($default) ? ': ' : " ($default): ");

    $valid = false;
    $result = '';
    while (!$valid) {
        $result = readline($msg);
        if (empty($result)) {
            $result = $default;
        }
        $valid = preg_match($regex, $result) !== false;
        if (!$valid) {
            echo "$result is not valid - please re-enter...\n";
        }
    }
    return $result;
}