查看插件的最新版本(381724),问题是Too many spaces 
每次要创建此结构时:
function blabla(){
   <= space
   something...
}
 在代码中使用制表符,而不是空格。
这是您的代码,我将所有空格替换为选项卡,激活时未收到任何消息:
<?php
/*
Plugin Name: Facebook Send Button By Teknoblogo.com
Plugin URI: http://www.teknoblogo.com/facebook-gonder-butonu-eklenti
Description: Adds Facebook\'s Send and Like buttons to your posts ! Author : <a href="http://www.teknoblogo.com">teknoblogo.com</a>
Version: 1.3
Author: Eray Alakese
Author URI: http://www.teknoblogo.com
License: GPL2
*/
wp_register_script(\'fgb_script\', "http://connect.facebook.net/en_US/all.js#xfbml=1");
wp_enqueue_script(\'fgb_script\');
function fgb_ayarlari_yap()
{
    add_option(\'fgb_yer\', \'u\');
    add_option(\'fgb_buton\', \'snl\');
    add_option(\'fgb_manual\', \'hayir\');
}
register_activation_hook( __FILE__, \'fgb_ayarlari_yap\' );
function fgb_ayarlari_sil()
{
    delete_option(\'fgb_yer\');
    delete_option(\'fgb_buton\');
    delete_option(\'fgb_manual\');
}
register_deactivation_hook( __FILE__, \'fgb_ayarlari_sil\' );
function fgb_ekle($content)
{
    $fgb_yer = get_option(\'fgb_yer\'); 
    $fgb_buton_opt = get_option(\'fgb_buton\'); 
    $fgb_manual = get_option(\'fgb_manual\');
    $fgb_perma  = rawurlencode(get_permalink());
    $fgb_send_button = "<fb:send href=\\"$fgb_perma\\" font=\\"\\"></fb:send>";
    $fgb_like_button = "<fb:like href=\\"$fgb_perma\\" send=\\"false\\" width=\\"450\\" show_faces=\\"true\\" font=\\"\\"></fb:like>";
    $fgb_snl_button = "<fb:like href=\\"$fgb_perma\\" send=\\"true\\" width=\\"450\\" show_faces=\\"true\\" font=\\"\\"></fb:like>";
    if($fgb_buton_opt == "send")
    {
        $fgb_buton = $fgb_send_button;
    }
    elseif($fgb_buton_opt == "like")
    {
        $fgb_buton = $fgb_like_button;
    }
    elseif($fgb_buton_opt == "snl")
    {
        $fgb_buton = $fgb_snl_button;
    }
    else
    {
        echo "Buton türü alınamadı!";
    }
    if ($fgb_manual=="hayir"){
        if ($fgb_yer == "u")
        {
            $content = $fgb_buton."<br />".$content;
        }
        elseif ($fgb_yer == "a")
        {
            $content = $content."<br />".$fgb_buton;
        }
        return $content;
    }
    elseif($fgb_manual=="evet"){
        echo $fgb_buton;
    }
}
if (get_option(\'fgb_manual\')=="hayir"){ add_filter( "the_content", "fgb_ekle" ); }
add_action(\'admin_menu\', \'fgb_admin_menu\');
function fgb_admin_menu() {
    add_options_page(\'Facebook Send Button\', \'Facebook Send Button\', \'manage_options\', \'fgb\', \'fgb_admin_options\');
}
function fgb_admin_options() {
    if (!current_user_can(\'manage_options\'))  {
        wp_die( __(\'You do not have sufficient permissions to access this page.\') );
    }
    echo \'<div class="wrap">\';
    ?>
    <h2>Facebook Send & Like Button</h2>
    <? 
    if($_POST["fgb_gonder"])
    {
      echo "<h3>saved</h3>";
      update_option(\'fgb_yer\', $_POST["fgb_yer"]);
      update_option(\'fgb_buton\', $_POST["fgb_buton"]);    
      update_option(\'fgb_manual\', $_POST["fgb_manual"]);
        $fgb_admin_yer = get_option(\'fgb_yer\');
        $fgb_admin_buton = get_option(\'fgb_buton\');
        $fgb_admin_manual = get_option(\'fgb_manual\');
    }
    ?>
    <form action="<?php echo $_SERVER[\'REQUEST_URI\']; ?>" method="POST">
    Show Facebook buttons <select name="fgb_yer">
        <option value="u" <?php if($fgb_admin_yer == "u"){echo "SELECTED";}?>>before content</option>
        <option value="a" <?php if($fgb_admin_yer == "a"){echo "SELECTED";}?>>after content</option>
    </select> and i want <select name="fgb_buton">
        <option value="snl" <?php if($fgb_admin_buton=="snl"){echo "SELECTED";}?>>send and like buttons together</option>
        <option value="send" <?php if($fgb_admin_buton=="send"){echo "SELECTED";}?>>just send button</option>
        <option value="like" <?php if($fgb_admin_buton=="like"){echo "SELECTED";}?>>just like button</option>
    </select> . <br />
    <input type="radio" value="hayir" name="fgb_manual" <?php if($fgb_admin_manual=="hayir"){echo "CHECKED";}?> /> put buttons for me, AUTOMATICALLY <br />
    <input type="radio" value="evet" name="fgb_manual" <?php if($fgb_admin_manual=="evet"){echo "CHECKED";}?> /> i can put them, MANUALLY <br />
    <input type="submit" class="button-primary" name="fgb_gonder" value="<?php _e(\'Save Changes\') ?>" />
    </form>
    <br />If you use <strong>manuel insertion</strong> , you have to add this code to your theme : 
    <strong><?php if(function_exists(\'fgb_ekle\')) {   fgb_ekle(); }?></strong>
    <hr />
    <em>If you like this plugin, please <a href="http://wordpress.org/extend/plugins/facebook-send-like-button/">vote</a> .
    Author : <a href="http://www.teknoblogo.com">Eray Alakese</a>
    You can <a href="mailto:info@teknoblogo.com">mail me</a> for bugs, thanks.</em>
    <?php
    echo \'</div>\';
}