Submit to same page
Simply remove the action=”” parameter and a form will be submitted to the same page. Any URL arguments will also be retained.
<form method="POST">If you want to submit to the same page but with any previous URL arguments removed:
<form action="?" method="POST">A longer explicit way of submitting to the same page
<?php
$FormSubmitUrl = $_SERVER['REQUEST_URI'];
?>
<form action="$FormSubmitUrl" method="POST">
</form>Auto Submit
Auto submit when selecting an item in a select box
<select name="my_playlists" onchange="this.form.submit()">
</select>
Auto submit form when file selected
<input type="file" name="image_file" multiple="false" onchange="my_form_id.submit();" ">Checkbox auto submit on change
<form method="POST" >
<input type="checkbox" name="my_checkbox_name" value="Yes" onchange="this.form.submit();" />My label<br>
</form>
USEFUL?
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