Generate Random Times in PHP

<?php
// Generate random time (24-hour format HH:MM:SS)
function randomTime24() {
    $hour = mt_rand(0, 23);
    $minute = mt_rand(0, 59);
    $second = mt_rand(0, 59);
    return sprintf("%02d:%02d:%02d", $hour, $minute, $second);
}

// Generate random time (12-hour format with AM/PM)
function randomTime12() {
    $hour = mt_rand(1, 12);
    $minute = mt_rand(0, 59);
    $ampm = mt_rand(0, 1) ? "AM" : "PM";
    return sprintf("%02d:%02d %s", $hour, $minute, $ampm);
}

// Generate random time within business hours (9 AM - 5 PM)
function randomBusinessTime() {
    $hour = mt_rand(9, 17);
    $minute = mt_rand(0, 59);
    return sprintf("%02d:%02d", $hour, $minute);
}

// Generate random time with seconds
function randomTimeWithSeconds() {
    return sprintf("%02d:%02d:%02d", mt_rand(0, 23), mt_rand(0, 59), mt_rand(0, 59));
}

// Validate time format (HH:MM:SS)
function isValidTime($time) {
    return preg_match("/^([01]?[0-9]|2[0-3]):[0-5][0-9]:[0-5][0-9]$/", $time) === 1;
}

// Generate multiple random times
function generateTimes($count = 10) {
    $times = [];
    for ($i = 0; $i < $count; $i++) {
        $times[] = randomTime24();
    }
    return $times;
}

echo "24-hour: " . randomTime24() . "\n";
echo "12-hour: " . randomTime12() . "\n";
echo "Business: " . randomBusinessTime() . "\n";
echo "Valid: " . (isValidTime("14:30:45") ? "true" : "false") . "\n";
echo "Batch: " . implode(", ", generateTimes(3)) . "\n";
?>