I found that I got a fatal PHP error when trying to activate the plugin (version 1.1.1). WordPress was reporting an unexpected case on line 3577 of includes/ls_button_widget.php.
I ended up swapping out the multiple
<? if ( isset( $value[ 'note' ] ) ) { ?>
<br/>
<small><?php _e( $value[ 'note' ] ); ?></small><?php } ?>
code blocks with
<?php if ( isset( $value[ 'note' ] ) ){ echo '<br/><small>'.$value[ 'note' ].'</small>'; } ?>
and I found this fixed the issue! Though it appears simply swapping out instances of <? with <?php fixed the issue.
Please, I would love this patch to be officially adopted in a plugin version update as I’m sure I’m not the only one where this compatibility issue prevented things from working properly (many setups don’t have the shortened <? enabled for use for PHP), and I can’t imagine how this change would cause a negative effect on anything.
I’ve posted the fully patched version of the includes/ls_button_widget.php file here: https://gist.github.com/KZeni/f2e04fc154f0089589016d994ef9efc8
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