Question

我正在使用WP插件为我的网站自动生成关键字和说明，它是一个单页插件，我想修改它按我想要的工作，我粘贴整个PHP文件的代码：

<?php
/*
Plugin Name: Meta Keywords Generator
Plugin URI: http://home.techphernalia.com/2011/09/meta-keywords-generator/
Description: This plugin helps your SEO by adding meta keywords tag to each page, post, archive (category, tag, date, day and year). Now it also allows you to specify common keywords to be included on every web page. Plugin from one of the best coder <a href="http://home.techphernalia.com/" target="_blank">Durgesh Chaudhary</a>. For any support just leave your question on our <a href="http://home.techphernalia.com/2011/09/meta-keywords-generator/" target="_blank">Meta Keywords Generator</a> page.<br/>Please update some settings to get more benefit <a href="options-general.php?page=techphernalia">Update settings</a>
.
Version: 1.10
Author: Durgesh Chaudhary
Author URI: http://home.techphernalia.com/
*/
add_action('admin_menu', 'tp_mkg_add_page');
add_action('admin_init', 'tp_mkg_register');
add_action('wp_head','tp_act');
add_action('rightnow_end','tp_notify');

function tp_mkg_register(){
    register_setting( 'tp_mkg_options', 'tp_mkg_options', 'tp_mkg_options_validate' );
    add_settings_section('tp_mkg_main_section', 'Quick Settings', 'tp_mkg_section_main_render', 'techphernalia');
    add_settings_field('tp_mkg_compulsary', 'Compulsary Keywords', 'tp_mkg_render_fields', 'techphernalia', 'tp_mkg_main_section');
}

function tp_mkg_add_page() {
    add_options_page('Meta Keywords Generator', 'Meta Keywords Generator ', 'manage_options', 'techphernalia', 'tp_mkg_render_page');
}

function tp_mkg_render_page() {
    echo '<style>#tp_promotion span {display: none;}#tp_promotion a{background: url(http://techphernalia.com/sprite_master.png) left top no-repeat;float: left;width: 32px;height: 32px;margin-right: 10px;}#tp_promotion a.twitter_link{   background-position: left -414px;}#tp_promotion a.facebook_link{background-position: -69px -414px;}</style>';
    echo '<div class="wrap">
    <center><h2>Meta Keywords Generator Settings</h2></center>
    We are working continuously to provide you more SEO benefit and here comes the first in this series which allow you to provide some keywords which you want to be available on each and every web page served to your user. Currently we have only one setting we will have more soon.<br/><br/>Feel free to <b>request features</b> on our <a href="http://home.techphernalia.com/" target="_blank">blog</a> or on <a href="http://home.techphernalia.com/2011/09/meta-keywords-generator/" target="_blank">plugin page</a>.
    <form action="options.php" method="post">';
    settings_fields('tp_mkg_options');
    do_settings_sections('techphernalia');
    echo '<input name="Submit" class="button-primary" type="submit" value="';
    esc_attr_e('Save Changes');
    echo'" />
    </form></div>';
    echo '<br/><br/><div id="tp_promotion"><a target="_blank" href="http://home.techphernalia.com/feed/" title="Subscribe to Our RSS feed" class="rss_link"><span>Subscribe to RSS feed</span></a>
<a href="http://twitter.com/techphernalia" target="_blank" title="Follow us on Twitter" class="twitter_link"><span>Follow us on Twitter</span></a><a href="http://facebook.com/techphernalia" target="_blank" title="Visit us on Facebook" class="facebook_link"><span>Visit us on Facebook</span></a>
</div>';
}


function tp_mkg_section_main_render() {
echo '<b>Compulsary Keywords</b> : Comma separated keywords which should appear on all the web page displayed.';
}

function tp_mkg_render_fields() {
    $options = get_option('tp_mkg_options');
    echo "<textarea id='tp_mkg_compulsary' name='tp_mkg_options[tp_mkg_compulsary]' cols='80' rows='10' maxlength='500' style='max-width:660px;max-height:164px;' >{$options['tp_mkg_compulsary']}</textarea>";
}
function tp_mkg_options_validate($input) {
    $temp = trim($input['tp_mkg_compulsary']);
    $temp = str_replace(";","",$temp);
    $newinput['tp_mkg_compulsary'] = trim(str_replace("\"","",$temp));
    return $newinput;
}

function tp_notify () {
    echo '<p>SEO provided by <strong><a href="http://home.techphernalia.com/2011/09/meta-keywords-generator/" target="_blank">Meta Keywords Generator</a></strong> from <a href="http://home.techphernalia.com/" target="_blank">techphernalia.com</a></p>';
}

function tp_parse ($str) {
    $str = str_replace("\"","'",$str);
    $done = str_replace(", "," ",$str);
    $done = str_replace(" ",", ",$done);
    if (strpos($str," ")) return $str.", ".$done;
    else return $str;
}

function tp_act () {
    $name = get_option("blogname");
    $desc = get_option("blogdescription");

    if (is_tag()) $title = single_tag_title('',false);
    if (is_category()) $title = single_cat_title('',false);
    if (is_single() || is_page()) {
        $add = "";
        $postid = get_query_var("p");
        $post = get_post($postid);
        $title = single_post_title('',false);
        $catlist = get_the_category($post->ID);
        if (is_array($catlist)) { foreach ($catlist as $catlist) {  $add .= ", ".$catlist->name;    }}
        $taglist = get_the_tags($post->ID);
        if (is_array($taglist)) { foreach ($taglist as $taglist) {  $add .= ", ".$taglist->name; }}
        $description = substr(strip_tags($post->post_content),0,400);
    }
    $tp_mkg_options=get_option("tp_mkg_options");
    echo '<!-- SEO by Meta Keywords Generator : techphernalia.com v1.10 start-->
';
    if (!is_home()) {
        echo '<meta name="keywords" content="'.tp_parse($title).', '.tp_parse($name).$add.", ".$tp_mkg_options["tp_mkg_compulsary"].'" />
<meta name="description" content="'.str_replace("\"","'",strip_shortcodes( $description )).'" />
';
    } else {
        echo '<meta name="keywords" content="'.tp_parse($desc).', '.$name.", ".$tp_mkg_options["tp_mkg_compulsary"].'" />
<meta name="description" content="'.str_replace("\"","'",strip_shortcodes( $desc )).'" />
';
    }
    echo '<!-- SEO by Meta Keywords Generator : techphernalia.com v1.10 end-->
';
}
?>

默认显示前400个字符作为描述，我想在结尾和开始描述时显示帖子标题，任何帮助将受到高度赞赏。感谢

Answer 1

我是这个插件的作者，你可以在上面提到的官方插件网址上问这个。

我们正在此声明中生成描述

$description = substr(strip_tags($post->post_content),0,400);

如果你想在开头和结尾都有site_title，只需在开头和结尾添加$ title。

$description =  $title . substr(strip_tags($post->post_content),0,400) . $title;

但它可能超过400个字符，因此您需要进行相应的管理。

如果要删除400个字符，请将删除子部分删除为

$description =  $title . strip_tags($post->post_content) . $title;

编辑自动元关键字和描述WP插件

1 个答案: