WordPress 模板制作笔记(函数functions)
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 520 521 522 523 524 525 526 527 528 529 530 531 532 533 534 535 536 537 538 539 540 541 542 543 544 545 546 547 548 549 550 551 552 553 554 555 556 557 558 559 560 561 562 563 564 565 566 567 568 569 570 571 572 573 574 575 576 577 578 579 580 581 582 583 584 585 586 587 588 589 590 591 592 593 594 595 596 597 598 599 600 601 602 603 604 605 606 607 608 609 610 611 612 613 614 615 616 617 618 619 620 621 622 623 624 625 626 627 628 629 630 631 632 633 634 635 636 637 638 639 640 641 642 643 644 645 646 647 648 649 650 651 652 | <?php //标题缩写 function customTitle($limit) { $title = get_the_title($post->ID); if(strlen($title) > $limit) { $title = substr($title, 0, $limit) . '...'; } echo $title; } //缩略图 function catch_that_image() { global $post, $posts; $first_img = ''; ob_start(); ob_end_clean(); $output = preg_match_all('/<img.+src=[\'"]([^\'"]+)[\'"].*>/i', $post->post_content, $matches); $first_img = $matches [1] [0]; if(empty($first_img)){ //Defines a default image $random=rand(0,29); $first_img = "/wp-content/themes/egg/images/logo-2014.gif"; //$first_img = "/wp-content/plugins/wordpress-23-related-posts-plugin/static/thumbs/".$random.".jpg"; } return $first_img;} //自定义菜单 register_nav_menus( array( 'menu' => __( 'menu', '' ), ) ); //分页 function par_pagenavi($range = 9){ global $paged, $wp_query; if ( !$max_page ) {$max_page = $wp_query->max_num_pages;} if($max_page > 1){if(!$paged){$paged = 1;} if($paged != 1){echo "<a href='" . get_pagenum_link(1) . "' class='extend' title='跳转到首页'> 返回首页 </a>";} previous_posts_link(' 上一页 '); if($max_page > $range){ if($paged < $range){for($i = 1; $i <= ($range + 1); $i++){echo "<a href='" . get_pagenum_link($i) ."'"; if($i==$paged)echo " class='current'";echo ">$i</a>";}} elseif($paged >= ($max_page - ceil(($range/2)))){ for($i = $max_page - $range; $i <= $max_page; $i++){echo "<a href='" . get_pagenum_link($i) ."'"; if($i==$paged)echo " class='current'";echo ">$i</a>";}} elseif($paged >= $range && $paged < ($max_page - ceil(($range/2)))){ for($i = ($paged - ceil($range/2)); $i <= ($paged + ceil(($range/2))); $i++){echo "<a href='" . get_pagenum_link($i) ."'";if($i==$paged) echo " class='current'";echo ">$i</a>";}}} else{for($i = 1; $i <= $max_page; $i++){echo "<a href='" . get_pagenum_link($i) ."'"; if($i==$paged)echo " class='current'";echo ">$i</a>";}} next_posts_link(' 下一页 '); if($paged != $max_page){echo "<a href='" . get_pagenum_link($max_page) . "' class='extend' title='跳转到最后一页'> 最后一页 </a>";}} } //阅读次数 //postviews function get_post_views ($post_id) { $count_key = 'views'; $count = get_post_meta($post_id, $count_key, true); if ($count == '') { delete_post_meta($post_id, $count_key); add_post_meta($post_id, $count_key, '0'); $count = '0'; } echo number_format_i18n($count); } function set_post_views () { global $post; $post_id = $post -> ID; $count_key = 'views'; $count = get_post_meta($post_id, $count_key, true); if (is_single() || is_page()) { if ($count == '') { delete_post_meta($post_id, $count_key); add_post_meta($post_id, $count_key, '0'); } else { update_post_meta($post_id, $count_key, $count + 1); } } } add_action('get_header', 'set_post_views'); //在24小时以内发布的显示为几分钟前或几小时前 function timeago() { global $post; $date = $post->post_date; $time = get_post_time('G', true, $post); $time_diff = time() - $time; if ( $time_diff > 0 && $time_diff < 24*60*60 ) $display = sprintf( __('%s 前'), human_time_diff( $time ) ); else $display = date(get_option('date_format'), strtotime($date) ); return $display; } add_filter('the_time', 'timeago'); //文章点击次数 function getPostViews($postID){ $count_key = 'post_views_count'; $count = get_post_meta($postID, $count_key, true); if($count==''){ delete_post_meta($postID, $count_key); add_post_meta($postID, $count_key, '0'); return "0 "; } return $count.''; } function setPostViews($postID) { $count_key = 'post_views_count'; $count = get_post_meta($postID, $count_key, true); if($count==''){ $count = 0; delete_post_meta($postID, $count_key); add_post_meta($postID, $count_key, '0'); }else{ $count++; update_post_meta($postID, $count_key, $count); } } //文章简介 function excerptcontent($max_length) {$title_str = get_the_content();if (mb_strlen($title_str,'utf-8') > $max_length ) {$title_str = mb_substr($title_str,0,$max_length,'utf-8').'...';}return $title_str;} // 热评文章 function simple_get_most_viewed($posts_num=10, $days=7){ global $wpdb; $sql = "SELECT ID , post_title , comment_count FROM $wpdb->posts WHERE post_type = 'post' AND TO_DAYS(now()) - TO_DAYS(post_date) < $days ORDER BY comment_count DESC LIMIT 0 , $posts_num "; $posts = $wpdb->get_results($sql); $output = ""; foreach ($posts as $post){ $output .= "\n<li><a href= "".get_permalink($post->ID)."" rel="bookmark" title="".$post->post_title." (".$post->comment_count."条评论)" >".$post->post_title."</a></li>"; } echo $output; } //最新评论 function h_comments($outer,$limit){ global $wpdb; $sql = "SELECT DISTINCT ID, post_title, post_password, comment_ID, comment_post_ID, comment_author, comment_date_gmt, comment_approved, comment_type,comment_author_url,comment_author_email, SUBSTRING(comment_content,1,22) AS com_excerpt FROM $wpdb->comments LEFT OUTER JOIN $wpdb->posts ON ($wpdb->comments.comment_post_ID = $wpdb->posts.ID) WHERE comment_approved = '1' AND comment_type = '' AND post_password = '' AND user_id='0' AND comment_author != '$outer' ORDER BY comment_date_gmt DESC LIMIT $limit"; $comments = $wpdb->get_results($sql); foreach ($comments as $comment) { $output .= '<li class="re-comment"> <div class="re-avatar"> <img class="avatar avatar-35 photo" width="35" height="35" src="/wp-content/themes/dianyingbt/default-35.png" alt="访客默认头像" data-bd-imgshare-binded="1"> </div> <div class="re-content"> <div class="re-author"><apan>'.strip_tags($comment->comment_author).':</apan></div> <div class="re-excerpt"> <a href="'. get_permalink($comment->ID) .'#comment-' . $comment->comment_ID . '" title="《'.$comment->post_title . '》上的评论" ><span class="s_desc">'. strip_tags($comment->com_excerpt).'</span></a></div ></li> <div style="clear:both"></div> '; } $output = convert_smilies($output); echo $output; } /** * 使用api获取<a title="查看与城市有关的文章" href="http://cuelog.com/tag/%e5%9f%8e%e5%b8%82" target="_blank">城市</a>名 * @param string $ip * @return string|mixed */ function convertip($ip) { $dat_path = TEMPLATEPATH.'/QQWry.Dat'; if(!$fd = @fopen($dat_path, 'rb')){ return '未知地区用户!'; } $ip = explode('.', $ip); $ipNum = $ip[0] * 16777216 + $ip[1] * 65536 + $ip[2] * 256 + $ip[3]; $DataBegin = fread($fd, 4); $DataEnd = fread($fd, 4); $ipbegin = implode('', unpack('L', $DataBegin)); if($ipbegin < 0) $ipbegin += pow(2, 32); $ipend = implode('', unpack('L', $DataEnd)); if($ipend < 0) $ipend += pow(2, 32); $ipAllNum = ($ipend - $ipbegin) / 7 + 1; $BeginNum = 0; $EndNum = $ipAllNum; while($ip1num>$ipNum || $ip2num<$ipNum) { $Middle= intval(($EndNum + $BeginNum) / 2); fseek($fd, $ipbegin + 7 * $Middle); $ipData1 = fread($fd, 4); if(strlen($ipData1) < 4) { fclose($fd); return '系统出错!'; } $ip1num = implode('', unpack('L', $ipData1)); if($ip1num < 0) $ip1num += pow(2, 32); if($ip1num > $ipNum) { $EndNum = $Middle; continue; } $DataSeek = fread($fd, 3); if(strlen($DataSeek) < 3) { fclose($fd); return '系统出错!'; } $DataSeek = implode('', unpack('L', $DataSeek.chr(0))); fseek($fd, $DataSeek); $ipData2 = fread($fd, 4); if(strlen($ipData2) < 4) { fclose($fd); return '系统出错!'; } $ip2num = implode('', unpack('L', $ipData2)); if($ip2num < 0) $ip2num += pow(2, 32); if($ip2num < $ipNum) { if($Middle == $BeginNum) { fclose($fd); return '未知'; } $BeginNum = $Middle; } } $ipFlag = fread($fd, 1); if($ipFlag == chr(1)) { $ipSeek = fread($fd, 3); if(strlen($ipSeek) < 3) { fclose($fd); return '系统出错!'; } $ipSeek = implode('', unpack('L', $ipSeek.chr(0))); fseek($fd, $ipSeek); $ipFlag = fread($fd, 1); } if($ipFlag == chr(2)) { $AddrSeek = fread($fd, 3); if(strlen($AddrSeek) < 3) { fclose($fd); return '系统出错!'; } $ipFlag = fread($fd, 1); if($ipFlag == chr(2)) { $AddrSeek2 = fread($fd, 3); if(strlen($AddrSeek2) < 3) { fclose($fd); return '系统出错!'; } $AddrSeek2 = implode('', unpack('L', $AddrSeek2.chr(0))); fseek($fd, $AddrSeek2); } else { fseek($fd, -1, SEEK_CUR); } while(($char = fread($fd, 1)) != chr(0)) $ipAddr2 .= $char; $AddrSeek = implode('', unpack('L', $AddrSeek.chr(0))); fseek($fd, $AddrSeek); while(($char = fread($fd, 1)) != chr(0)) $ipAddr1 .= $char; } else { fseek($fd, -1, SEEK_CUR); while(($char = fread($fd, 1)) != chr(0)) $ipAddr1 .= $char; $ipFlag = fread($fd, 1); if($ipFlag == chr(2)) { $AddrSeek2 = fread($fd, 3); if(strlen($AddrSeek2) < 3) { fclose($fd); return '系统出错!'; } $AddrSeek2 = implode('', unpack('L', $AddrSeek2.chr(0))); fseek($fd, $AddrSeek2); } else { fseek($fd, -1, SEEK_CUR); } while(($char = fread($fd, 1)) != chr(0)){ $ipAddr2 .= $char; } } fclose($fd); if(preg_match('/http/i', $ipAddr2)) { $ipAddr2 = ''; } $ipaddr = "$ipAddr1 $ipAddr2"; $ipaddr = preg_replace('/CZ88.Net/is', '', $ipaddr); $ipaddr = preg_replace('/^s*/is', '', $ipaddr); $ipaddr = preg_replace('/s*$/is', '', $ipaddr); if(preg_match('/http/i', $ipaddr) || $ipaddr == '') { $ipaddr = '未知'; } $ipaddr = iconv('gbk', 'utf-8//IGNORE', $ipaddr); if( $ipaddr != ' ' ) return $ipaddr; else $ipaddr = '评论者来自火星,无法或者其所在地!'; return $ipaddr; } //评论列表 function commentlist($comment,$args,$depth){ $GLOBALS['comment']=$comment; //主评论计数器 by zwwooooo global $commentcount, $page, $wpdb; if ( (int) get_option('page_comments') === 1 && (int) get_option('thread_comments') === 1 ) { //开启嵌套评论和分页才启用 if(!$commentcount) { //初始化楼层计数器 $page = ( !empty($in_comment_loop) ) ? get_query_var('cpage') : get_page_of_comment( $comment->comment_ID, $args ); //获取当前评论列表页码 $cpp = get_option('comments_per_page'); //获取每页评论显示数量 if ( get_option('comment_order') === 'desc' ) { //倒序 $comments = $wpdb->get_results("SELECT * FROM $wpdb->comments WHERE comment_post_ID = $post->ID AND comment_type = 'all' AND comment_approved = '1' AND !comment_parent"); $cnt = count($comments); //获取主评论总数量 if (ceil($cnt / $cpp) == 1 || ($page > 1 && $page == ceil($cnt / $cpp))) { //如果评论只有1页或者是最后一页,初始值为主评论总数 $commentcount = $cnt + 1; } else { $commentcount = $cpp * $page + 1; } } else { $commentcount = $cpp * ($page - 1); } } if ( !$parent_id = $comment->comment_parent ) { $commentcountText = '<div class="floor">'; if ( get_option('comment_order') === 'desc' ) { //倒序 $commentcountText .= '#' . ++$commentcount; } else { $commentcountText .= '#' . ++$commentcount; } $commentcountText .= '</div>'; } } ?> <li class="comment guest-comment" id="comment-<?php comment_ID ?>"> <div class="comment-meta"> <div class="comment-meta-left"> <img class="avatar avatar-35 photo" width="35" height="35" src="/wp-content/themes/dianyingbt/default-35.png" alt="访客默认头像" data-bd-imgshare-binded="1"> <ul class="comment-name-date"> <li class="comment-name"> <span id="commentauthor-7238"> 游客</span> </li> <li class="comment-date"><?php the_time('Y年n月j日 G:h') ?> 来自<?php if ( is_user_logged_in() ) echo convertip(get_comment_author_ip()); ?>的网友 </li> </ul> </div> <ul class="comment-act"> <li class="comment-reply"> <?php comment_reply_link(array_merge($args,array('reply_text' =>'回复','depth' =>$depth,'max_depth'=>$args['max_depth']))) ?> </li> <li class="comment-number"> <?php switch ($commentcount){ case 0 :echo "沙发";++$commentcount;break; case 1 :echo "椅子";++$commentcount;break; case 2 :echo "板凳";++$commentcount;break; default:printf('%1$s楼:', ++$commentcount); } ?></li> </ul> </div> <div class="comment-content" id="comment-content-7238"> <?php if($comment->comment_approved=='0'): ?> <em><span class="moderation"><?php _e('您的评论正在等待审核.') ?></span></em> <?php endif; ?> <br> <p><?php comment_text() ?></p> </div> <?php echo $commentcountText;?> <?php } //冒充评论检验 function CheckEmailAndName(){ global $wpdb; $comment_author = ( isset($_POST['author']) ) ? trim(strip_tags($_POST['author'])) : null; $comment_author_email = ( isset($_POST['email']) ) ? trim($_POST['email']) : null; if(!$comment_author || !$comment_author_email){ return; } $result_set = $wpdb->get_results("SELECT display_name, user_email FROM $wpdb->users WHERE display_name = '" . $comment_author . "' OR user_email = '" . $comment_author_email . "'"); if ($result_set) { if ($result_set[0]->display_name == $comment_author){ err(__('警告: 您不能使用博主的昵称!')); }else{ err(__('警告: 您不能使用博主的邮箱!')); } fail($errorMessage); } } add_action('pre_comment_on_post', 'CheckEmailAndName'); /* 评论必须有中文和禁止某些字段出现 */ function lianyue_comment_post( $incoming_comment ) { $pattern = '/[一-龥]/u'; $http = '/[.|<|妈|逼|滚|贱|淫|互|娘|爹|孙|友|夜|ッ|の|ン|優|業|グ|貿|]/u'; // 禁止全英文评论 if(!preg_match($pattern, $incoming_comment['comment_content'])) { wp_die( "请认真评论好吗?您这样随意打乱码对站长也太不尊敬了吧,你觉得呢?" ); }elseif(preg_match($http, $incoming_comment['comment_content'])) { wp_die( "万恶的发贴机,这里不允许出现连点号,更请您文明用语!" ); } return( $incoming_comment ); } add_filter('preprocess_comment', 'lianyue_comment_post'); //评论邮件自动通知 function comment_mail_notify($comment_id) { $admin_email = get_bloginfo ('admin_email'); $comment = get_comment($comment_id); $comment_author_email = trim($comment->comment_author_email); $parent_id = $comment->comment_parent ? $comment->comment_parent : ''; $to = $parent_id ? trim(get_comment($parent_id)->comment_author_email) : ''; $spam_confirmed = $comment->comment_approved; if (($parent_id != '') && ($spam_confirmed != 'spam') && ($to != $admin_email) && ($comment_author_email == $admin_email)) { $wp_email = 'no-reply@' . preg_replace('#^www\.#', '', strtolower($_SERVER['SERVER_NAME'])); $subject = '您在 [' . get_option("blogname") . '] 的评论有新的回复'; $message = ' <div style="font: 13px Microsoft Yahei;padding: 0px 20px 0px 20px;border: #ccc 1px solid;border-left-width: 4px; max-width: 600px;margin-left: auto;margin-right: auto;"> <p>' . trim(get_comment($parent_id)->comment_author) . ', 您好!</p> <p>您曾在 [' . get_option("blogname") . '] 的文章 《' . get_the_title($comment->comment_post_ID) . '》 上发表评论:<br />' . nl2br(get_comment($parent_id)->comment_content) . '</p> <p>' . trim($comment->comment_author) . ' 给您的回复如下:<br>' . nl2br($comment->comment_content) . '</p> <p style="color:#f00">您可以点击 <a href="' . htmlspecialchars(get_comment_link($parent_id, array('type' => 'comment'))) . '">查看回复的完整內容</a></p> <p style="color:#f00">欢迎再次光临 <a href="' . get_option('home') . '">' . get_option('blogname') . '</a></p> <p style="color:#999">(此邮件由系统自动发出,请勿回复。)</p> </div>'; $message = convert_smilies($message); $from = "From: "" . get_option('blogname') . "" <$wp_email>"; $headers = "$from\nContent-Type: text/html; charset=" . get_option('blog_charset') . "\n"; wp_mail( $to, $subject, $message, $headers ); } } add_action('comment_post', 'comment_mail_notify'); //ajax评论翻页 function AjaxCommentsPage(){ if( isset($_GET['action'])&& $_GET['action'] == 'AjaxCommentsPage' ){ global $post,$wp_query, $wp_rewrite; $postid = isset($_GET['post']) ? $_GET['post'] : null; $pageid = isset($_GET['page']) ? $_GET['page'] : null; if(!$postid || !$pageid){ fail(__('Error post id or comment page id.')); } // get comments $comments = get_comments('post_id='.$postid); $post = get_post($postid); if(!$comments){ fail(__('Error! can\'t find the comments')); } //if( 'desc' != get_option('comment_order') ){ // $comments = array_reverse($comments); //} $comments = array_reverse($comments);//?有点不明白 // set as singular (is_single || is_page || is_attachment) $wp_query->is_singular = true; // base url of page links $baseLink = ''; if ($wp_rewrite->using_permalinks()) { $baseLink = '&base=' . user_trailingslashit(get_permalink($postid) . 'comment-page-%#%', 'commentpaged'); } // response 注意修改callback为你自己的,没有就去掉callback wp_list_comments('callback=commentlist&type=comment&max_depth=10000&page=' . $pageid . '&per_page=' . get_option('comments_per_page'), $comments); echo '<!--winysky-AJAX-COMMENT-PAGE-->'; echo '<span id="cp_post_id" style="display:none;"> '.$post->ID.' </span>'; paginate_comments_links('current=' . $pageid . $baseLink); die; } } add_action('init', 'AjaxCommentsPage'); //压缩html代码 function wp_compress_html() { function wp_compress_html_main ($buffer) { $initial=strlen($buffer); $buffer=explode("<!--wp-compress-html-->", $buffer); $count=count ($buffer); for ($i = 0; $i <= $count; $i++) { if (stristr($buffer[$i], '<!--wp-compress-html no compression-->')) { $buffer[$i]=(str_replace("<!--wp-compress-html no compression-->", " ", $buffer[$i])); } else { $buffer[$i]=(str_replace("\t", " ", $buffer[$i])); $buffer[$i]=(str_replace("\n\n", "\n", $buffer[$i])); $buffer[$i]=(str_replace("\n", "", $buffer[$i])); $buffer[$i]=(str_replace("\r", "", $buffer[$i])); while (stristr($buffer[$i], ' ')) { $buffer[$i]=(str_replace(" ", " ", $buffer[$i])); } } $buffer_out.=$buffer[$i]; } //$final=strlen($buffer_out); //$savings=($initial-$final)/$initial*100; //$savings=round($savings, 2); //$buffer_out.="\n<!--压缩前的大小: $initial bytes; 压缩后的大小: $final bytes; 节约:$savings% -->"; return $buffer_out; } ob_start("wp_compress_html_main"); } add_action('get_header', 'wp_compress_html'); //评论后显示 function reply_to_read($atts, $content=null) { extract(shortcode_atts(array("notice" => '<p class="reply-to-read">温馨提示: 此处内容需要<a href="#respond" title="评论本文">评论本文</a>后才能查看.</p>'), $atts)); $email = null; $user_ID = (int) wp_get_current_user()->ID; if ($user_ID > 0) { $email = get_userdata($user_ID)->user_email; //对博主直接显示内容 $admin_email = " "; //博主Email if ($email == $admin_email) { return $content; } } else if (isset($_COOKIE['comment_author_email_' . COOKIEHASH])) { $email = str_replace('%40', '@', $_COOKIE['comment_author_email_' . COOKIEHASH]); } else { return $notice; } if (empty($email)) { return $notice; } global $wpdb; $post_id = get_the_ID(); $query = "SELECT `comment_ID` FROM {$wpdb->comments} WHERE `comment_post_ID`={$post_id} and `comment_approved`='1' and `comment_author_email`='{$email}' LIMIT 1"; if ($wpdb->get_results($query)) { return do_shortcode($content); } else { return $notice; } } add_shortcode('reply', 'reply_to_read'); //边栏彩色标签 function colorCloud($text) { $text = preg_replace_callback('|<a (.+?)>|i','colorCloudCallback', $text); return $text; } function colorCloudCallback($matches) { $text = $matches[1]; $color = dechex(rand(0,16777215)); $pattern = '/style=(\'|\”)(.*)(\'|\”)/i'; $text = preg_replace($pattern, "style="color:#{$color};$2;"", $text); return "<a $text>"; } add_filter('wp_tag_cloud', 'colorCloud', 1); //准备要创建的字段信息 $new_meta_boxes = array( "xiazaiurl" => array( "name" => "xiazaiurl", "std" => "下载地址", "title" => "下载地址:"), "wenzi" => array( "name" => "wenzi", "std" => "文字下载链接", "title" => "文字下载链接:") ); //创建(显示)面板内容的函数 function new_meta_boxes() { global $post, $new_meta_boxes; foreach($new_meta_boxes as $meta_box) { $meta_box_value = get_post_meta($post->ID, $meta_box['name'].'_value', true); if($meta_box_value == "") $meta_box_value = $meta_box['std']; echo'<input type="hidden" name="'.$meta_box['name'].'_noncename" id="'.$meta_box['name'].'_noncename" value="'.wp_create_nonce( plugin_basename(__FILE__) ).'" />'; // 自定义字段标题 echo'<h4>'.$meta_box['title'].'</h4>'; // 自定义字段输入框 echo '<textarea cols="60" rows="3" name="'.$meta_box['name'].'_value">'.$meta_box_value.'</textarea><br />'; } } //显示 function create_meta_box() { global $theme_name; if ( function_exists('add_meta_box') ) { add_meta_box( 'new-meta-boxes', '自定义模块', 'new_meta_boxes', 'post', 'normal', 'high' ); } } //保存更新 function save_postdata( $post_id ) { global $post, $new_meta_boxes; foreach($new_meta_boxes as $meta_box) { if ( !wp_verify_nonce( $_POST[$meta_box['name'].'_noncename'], plugin_basename(__FILE__) )) { return $post_id; } if ( 'page' == $_POST['post_type'] ) { if ( !current_user_can( 'edit_page', $post_id )) return $post_id; } else { if ( !current_user_can( 'edit_post', $post_id )) return $post_id; } $data = $_POST[$meta_box['name'].'_value']; if(get_post_meta($post_id, $meta_box['name'].'_value') == "") add_post_meta($post_id, $meta_box['name'].'_value', $data, true); elseif($data != get_post_meta($post_id, $meta_box['name'].'_value', true)) update_post_meta($post_id, $meta_box['name'].'_value', $data); elseif($data == "") delete_post_meta($post_id, $meta_box['name'].'_value', get_post_meta($post_id, $meta_box['name'].'_value', true)); } } //触发 add_action('admin_menu', 'create_meta_box'); add_action('save_post', 'save_postdata'); ?> |
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