Example 1

$form = new Form('plugins-pickadate-timepicker-form-1', 'horizontal');

$form->addInput('text', 'user-pickatime', '', 'Time', 'required');

$form->addPlugin('pickadate', '#user-pickatime', 'pickatime');

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<div class="row mb-3">
	<label for="user-pickatime" class="col-sm-4 col-form-label">
		Time <sup class="text-danger">* </sup>
	</label>
	<div class="col-sm-8">
		<input id="user-pickatime" name="user-pickatime" type="text" value="" required class="form-control">
	</div>
</div>

Example 2 - Time with custom Submit Format, min & max time, custom interval

$form = new Form('plugins-pickadate-timepicker-form-2', 'horizontal');

$form->addInput('text', 'user-pickatime-2', '', 'Time', 'data-format=H:i, data-format-submit=H:i, data-min=09\,30, data-max=17\,00, data-interval=60, required');

$form->addPlugin('pickadate', '#user-pickatime-2', 'pickatime');

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About PHP Form Builder License

<div class="row mb-3">
	<label for="user-pickatime-2" class="col-sm-4 col-form-label">
		Time <sup class="text-danger">* </sup>
	</label>
	<div class="col-sm-8">
		<input id="user-pickatime-2" name="user-pickatime-2" type="text" value="" data-format="HH:i" data-format-submit="HH:i" data-min="9,30" data-max="17,00" data-interval="60" required class="form-control">
	</div>
</div>