If you want to add a new setting section under Downloads --> Settings --> Basic , you can use this hook.
No arguments are passed to this hook.
To add a new setting section under Basic settings.
add_action('basic_settings_section','my_basic_settigs_section');
<?php
add_action('basic_settings_section','my_basic_settigs_section');
function my_basic_settigs_section() {
?>
<div class="panel panel-default">
<div class="panel-heading">Misc Settings</div>
<div class="panel-body">
<table class="frm" width="100%" cellspacing="0" cellpadding="5">
<tbody>
<tr>
<td>Twitter Bootstrap</td>
<td>
<select name="__wpdm_twitter_bootstrap">
<option value="active">Active</option>
<option selected="selected" value="djs">>Disable JS</option>
<option selected="selected" value="dcss">>Disable CSS</option>
<option selected="selected" value="dall">>Disable Both</option>
</select>
</td>
</tr>
</tbody>
</table>
</div>
</div>
<?php
}
?>
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