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POWordpress plugin, trying to pass variable from admin page to function
 

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  1. POWordpress plugin, trying to pass variable from admin page to function
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    <p>I'm trying to add an admin panel to a WordPress plugin. It's my first attempt with working on a plugin and I don't use PHP frequently. My problem is getting values entered in the admin panel to where they need to be used in the function <code>bp_tweet_button_activity_filter()</code>. The values are saved and displayed fine on the admin page. I've been hacking it for a bit and may have added a little bit of superfluous code. I think the problem is in the beginning lines of that function, or maybe towards the beginning of the <code>tweet_urls_menu_options</code> function. </p> <p>The plugin takes the link of an activity stream post and shortens it with a custom <em>YOURLS URL</em> shortener, so the values needed are the username, password, and URL of the API for the shortener.</p> <p>Thank you for any help or advice, I'll be continuing to read up on PHP and plugin development in the meantime. </p> <p><strong>Note:</strong> plugin originally modified from BuddyPress Tweet Button by modem looper.</p> <pre><code>function bp_example_init() { require( dirname( __FILE__ ) . '/bp-tweet-urls.php' ); } define ( 'BP_TWEET_BUTTON_VERSION', '0.1' ); //Admin Menu add_action('admin_menu', 'tweet_urls_menu'); function tweet_urls_menu() { add_options_page('Tweet Urls Menu Options', 'Tweet Urls', 'manage_options', 'my-unique-identifier', 'tweet_urls_menu_options'); } function tweet_urls_menu_options() { if (!current_user_can('manage_options')) { wp_die( __('You do not have sufficient permissions to access this page.') ); } // variables for the field and option names $opt_name = 'username'; $opt_pass = 'password'; $opt_api = 'api_url'; $hidden_field_name = 'mt_submit_hidden'; $data_field_name = 'username'; $data_field_pass = 'password'; $data_field_api = 'api_url'; // Read in existing option value from database $opt_val = get_option( $opt_name ); $opt_val_pass = get_option( $opt_pass ); $opt_val_api = get_option( $opt_api ); // See if the user has posted us some information // If they did, this hidden field will be set to 'Y' if( isset($_POST[ $hidden_field_name ]) &amp;&amp; $_POST[ $hidden_field_name ] == 'Y' ) { // Read their posted value $opt_val = $_POST[ $data_field_name ]; $opt_val_pass = $_POST[ $data_field_pass ]; $opt_val_api = $_POST[ $data_field_api ]; // Save the posted value in the database update_option( $opt_name, $opt_val ); update_option( $opt_pass, $opt_val_pass ); update_option( $opt_api, $opt_val_api ); // Put a settings updated message on the screen ?&gt; &lt;div class="updated"&gt;&lt;p&gt;&lt;strong&gt;&lt;?php _e('settings saved.', 'menu-test' ); ?&gt;&lt;/strong&gt;&lt;/p&gt;&lt;/div&gt; &lt;?php } // Now display the settings editing screen echo '&lt;div class="wrap"&gt;'; // header echo "&lt;h2&gt;" . __( 'Tweet Urls Settings', 'menu-test' ) . "&lt;/h2&gt;"; // settings form ?&gt; &lt;form name="form1" method="post" action=""&gt; &lt;input type="hidden" name="&lt;?php echo $hidden_field_name; ?&gt;" value="Y"&gt; &lt;p&gt;&lt;?php _e("Username:", 'menu-test' ); ?&gt; &lt;input type="text" name="&lt;?php echo $data_field_name; ?&gt;" value="&lt;?php echo $opt_val; ?&gt;" size="20"&gt; &lt;/p&gt;&lt;hr /&gt; &lt;p&gt;&lt;?php _e("Password:", 'menu-test' ); ?&gt; &lt;input type="text" name="&lt;?php echo $data_field_pass; ?&gt;" value="&lt;?php echo $opt_val_pass; ?&gt;" size="20"&gt; &lt;/p&gt;&lt;hr /&gt; &lt;p&gt;&lt;?php _e("API:", 'menu-test' ); ?&gt; &lt;input type="text" name="&lt;?php echo $data_field_api; ?&gt;" value="&lt;?php echo $opt_val_api; ?&gt;" size="20"&gt; &lt;/p&gt;&lt;hr /&gt; &lt;p class="submit"&gt; &lt;input type="submit" name="Submit" class="button-primary" value="&lt;?php esc_attr_e('Save Changes') ?&gt;" /&gt; &lt;/p&gt; &lt;/form&gt; &lt;/div&gt; &lt;?php } /** * bp_tweet_button_activity_filter() * * Adds tweet button to activity stream. * */ function bp_tweet_button_activity_filter() { //admin username $username = get_option('opt_val'); //admin password $password = get_option('opt_val_pass'); //url to your custom YOURLS site API $api_url = get_option('opt_val_api'); // //get activity stream post link $url = bp_get_activity_thread_permalink(); $ch = curl_init(); curl_setopt($ch, CURLOPT_URL, $api_url); curl_setopt($ch, CURLOPT_HEADER, 0); // No header in the result curl_setopt($ch, CURLOPT_RETURNTRANSFER, true); // Return, do not echo result curl_setopt($ch, CURLOPT_POST, 1); // This is a POST request curl_setopt($ch, CURLOPT_POSTFIELDS, array( // Data to POST 'url' =&gt; $url, 'keyword' =&gt; $keyword, 'format' =&gt; $format, 'action' =&gt; 'shorturl', 'username' =&gt; $username, 'password' =&gt; $password )); // Fetch and return content $data = curl_exec($ch); curl_close($ch); $newurl=$data; $ttitle = get_the_title(); if(strlen($ttitle&gt;110)) { $ttitle = substr($ttitle, 0,110); $ttitle .='…'; } $ttitle .=' '; $turl = 'http://twitter.com/home?status='.$ttitle.$newurl; echo '&lt;a target="_blank" href="'.$turl.'"&gt;Tweet This!&lt;/a&gt;'; } add_action('bp_activity_entry_meta', 'bp_tweet_button_activity_filter'); /** * bp_tweet_button_blog_filter() * * Adds tweet button to blog posts. * */ function bp_tweet_button_blog_filter() { echo '&lt;span class="twitter-share-blog-button"&gt;&lt;a href="http://twitter.com/share" class="twitter-share-button" data-count="none"&gt;Tweet&lt;/a&gt;&lt;script type="text/javascript" src="http://platform.twitter.com/widgets.js"&gt;&lt;/script&gt;&lt;/span&gt;'; } add_action('bp_before_blog_single_post', 'bp_tweet_button_blog_filter'); function bp_tweet_button_insert_head() { ?&gt; &lt;style type="text/css"&gt; span.twitter-share-button { position: relative; top: 6px; } .twitter-share-blog-button { float: right; } &lt;/style&gt; &lt;?php } add_action('wp_head', 'bp_tweet_button_insert_head'); </code></pre>
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