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我正在嘗試將管理面板添加到WordPress插件。這是我第一次嘗試使用插件，我不經常使用PHP。我的問題是將值輸入到管理面板中，以在功能bp_tweet_button_activity_filter()中需要使用它們的位置。這些值保存並在管理頁面上正常顯示。我一直在竊聽它，可能已經添加了一些多餘的代碼。我認爲問題出現在該功能的開頭，或者可能是功能的開始。Wordpress插件，試圖將變量從管理頁面傳遞到函數
該插件獲取活動流帖子的鏈接並將其縮短爲自定義YOURLS URL縮短，因此需要的值是縮略詞API的用戶名，密碼和URL。
感謝您的任何幫助或建議，我將繼續閱讀PHP和插件開發的同時。
注意：插件最初從調制解調器looper的BuddyPress按鈕修改。
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 ]) && $_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
?>
<div class="updated"><p><strong><?php _e('settings saved.', 'menu-test'); ?></strong></p></div>
<?php
}
// Now display the settings editing screen
echo '<div class="wrap">';
// header
echo "<h2>" . __('Tweet Urls Settings', 'menu-test') . "</h2>";
// settings form
?>
<form name="form1" method="post" action="">
<input type="hidden" name="<?php echo $hidden_field_name; ?>" value="Y">
<p><?php _e("Username:", 'menu-test'); ?>
<input type="text" name="<?php echo $data_field_name; ?>" value="<?php echo $opt_val; ?>" size="20">
</p><hr />
<p><?php _e("Password:", 'menu-test'); ?>
<input type="text" name="<?php echo $data_field_pass; ?>" value="<?php echo $opt_val_pass; ?>" size="20">
</p><hr />
<p><?php _e("API:", 'menu-test'); ?>
<input type="text" name="<?php echo $data_field_api; ?>" value="<?php echo $opt_val_api; ?>" size="20">
</p><hr />
<p class="submit">
<input type="submit" name="Submit" class="button-primary" value="<?php esc_attr_e('Save Changes') ?>" />
</p>
</form>
</div>
<?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' => $url,
'keyword' => $keyword,
'format' => $format,
'action' => 'shorturl',
'username' => $username,
'password' => $password
));
// Fetch and return content
$data = curl_exec($ch);
curl_close($ch);
$newurl=$data;
$ttitle = get_the_title();
if(strlen($ttitle>110)) {
$ttitle = substr($ttitle, 0,110);
$ttitle .='…';
}
$ttitle .=' ';
$turl = 'http://twitter.com/home?status='.$ttitle.$newurl;
echo '<a target="_blank" href="'.$turl.'">Tweet This!</a>';
}
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 '<span class="twitter-share-blog-button"><a href="http://twitter.com/share" class="twitter-share-button" data-count="none">Tweet</a><script type="text/javascript" src="http://platform.twitter.com/widgets.js"></script></span>';
}
add_action('bp_before_blog_single_post', 'bp_tweet_button_blog_filter');
function bp_tweet_button_insert_head() {
?>
<style type="text/css">
span.twitter-share-button {
position: relative;
top: 6px;
}
.twitter-share-blog-button {
float: right;
}
</style>
<?php
}
add_action('wp_head', 'bp_tweet_button_insert_head');