PHP qa_sort_by函数代码示例

$qa_content['form_message'] = array('tags' => 'method="post" action="' . qa_self_html() . '"', 'style' => 'tall', 'fields' => array('message' => array('type' => $messagesent ? 'static' : '', 'label' => qa_lang_html_sub('misc/message_for_x', qa_get_one_user_html($handle, false)), 'tags' => 'name="message" id="message"', 'value' => qa_html(@$inmessage, $messagesent), 'rows' => 8, 'note' => qa_lang_html_sub('misc/message_explanation', qa_html(qa_opt('site_title'))), 'error' => qa_html(@$errors['message']))), 'buttons' => array('send' => array('tags' => 'onclick="qa_show_waiting_after(this, false);"', 'label' => qa_lang_html('main/send_button'))), 'hidden' => array('domessage' => '1', 'code' => qa_get_form_security_code('message-' . $handle)));
$qa_content['focusid'] = 'message';
if ($messagesent) {
    $qa_content['form_message']['ok'] = qa_lang_html('misc/message_sent');
    unset($qa_content['form_message']['buttons']);
    if (qa_opt('show_message_history')) {
        unset($qa_content['form_message']['fields']['message']);
    } else {
        unset($qa_content['form_message']['fields']['message']['note']);
        unset($qa_content['form_message']['fields']['message']['label']);
    }
}
//	If relevant, show recent message history
if (qa_opt('show_message_history')) {
    $recent = array_merge($torecent, $fromrecent);
    qa_sort_by($recent, 'created');
    $showmessages = array_slice(array_reverse($recent, true), 0, QA_DB_RETRIEVE_MESSAGES);
    if (count($showmessages)) {
        $qa_content['message_list'] = array('title' => qa_lang_html_sub('misc/message_recent_history', qa_html($toaccount['handle'])));
        $options = qa_message_html_defaults();
        foreach ($showmessages as $message) {
            $qa_content['message_list']['messages'][] = qa_message_html_fields($message, $options);
        }
    }
}
$qa_content['raw']['account'] = $toaccount;
// for plugin layers to access
return $qa_content;
/*
	Omit PHP closing tag to help avoid accidental output
*/

//.........这里部分代码省略.........
                    foreach ($achildposts as $postid => $post) {
                        $posts[$postid] = $post;
                    }
                    //	Creation and editing of each post
                    foreach ($posts as $postid => $post) {
                        $followonq = $post['basetype'] == 'Q' && $postid != $questionid;
                        if ($followonq) {
                            $updatetype = QA_UPDATE_FOLLOWS;
                        } elseif ($post['basetype'] == 'C' && @$posts[$post['parentid']]['basetype'] == 'Q') {
                            $updatetype = QA_UPDATE_C_FOR_Q;
                        } elseif ($post['basetype'] == 'C' && @$posts[$post['parentid']]['basetype'] == 'A') {
                            $updatetype = QA_UPDATE_C_FOR_A;
                        } else {
                            $updatetype = null;
                        }
                        qa_create_event_for_q_user($questionid, $postid, $updatetype, $post['userid'], @$posts[$post['parentid']]['userid'], $post['created']);
                        if (isset($post['updated']) && !$followonq) {
                            qa_create_event_for_q_user($questionid, $postid, $post['updatetype'], $post['lastuserid'], $post['userid'], $post['updated']);
                        }
                    }
                    //	Tags and categories of question
                    qa_create_event_for_tags($question['tags'], $questionid, null, $question['userid'], $question['created']);
                    qa_create_event_for_category($question['categoryid'], $questionid, null, $question['userid'], $question['created']);
                    //	Collect comment threads
                    $parentidcomments = array();
                    foreach ($posts as $postid => $post) {
                        if ($post['basetype'] == 'C') {
                            $parentidcomments[$post['parentid']][$postid] = $post;
                        }
                    }
                    //	For each comment thread, notify all previous comment authors of each comment in the thread (could get slow)
                    foreach ($parentidcomments as $parentid => $comments) {
                        $keyuserids = array();
                        qa_sort_by($comments, 'created');
                        foreach ($comments as $comment) {
                            foreach ($keyuserids as $keyuserid => $dummy) {
                                if ($keyuserid != $comment['userid'] && $keyuserid != @$posts[$parentid]['userid']) {
                                    qa_db_event_create_not_entity($keyuserid, $questionid, $comment['postid'], QA_UPDATE_FOLLOWS, $comment['userid'], $comment['created']);
                                }
                            }
                            if (isset($comment['userid'])) {
                                $keyuserids[$comment['userid']] = true;
                            }
                        }
                    }
                }
                $next = 1 + $lastquestionid;
                $done += count($questionids);
                $continue = true;
            } else {
                qa_recalc_transition($state, 'dorefillevents_complete');
            }
            break;
        case 'dorecalccategories':
            qa_recalc_transition($state, 'dorecalccategories_postcount');
            break;
        case 'dorecalccategories_postcount':
            qa_db_acount_update();
            qa_db_ccount_update();
            qa_recalc_transition($state, 'dorecalccategories_postupdate');
            break;
        case 'dorecalccategories_postupdate':
            $postids = qa_db_posts_get_for_recategorizing($next, 100);
            if (count($postids)) {
                $lastpostid = max($postids);
                qa_db_posts_recalc_categoryid($next, $lastpostid);

 function get_post_voters_flaggers($post, $postid)
 {
     require_once QA_INCLUDE_DIR . 'qa-util-sort.php';
     if (!isset($this->qa_voters_flaggers_cache[$postid])) {
         $this->queue_post_voters_flaggers($post);
         $this->retrieve_queued_voters_flaggers();
     }
     $votersflaggers = @$this->qa_voters_flaggers_cache[$postid];
     if (isset($votersflaggers)) {
         qa_sort_by($votersflaggers, 'handle');
     }
     return $votersflaggers;
 }

function qa_any_sort_and_dedupe($questions)
{
    if (qa_to_override(__FUNCTION__)) {
        $args = func_get_args();
        return qa_call_override(__FUNCTION__, $args);
    }
    require_once QA_INCLUDE_DIR . 'util/sort.php';
    foreach ($questions as $key => $question) {
        // collect information about action referenced by each $question
        if (isset($question['opostid'])) {
            $questions[$key]['_time'] = $question['otime'];
            $questions[$key]['_type'] = $question['obasetype'];
            $questions[$key]['_userid'] = @$question['ouserid'];
        } else {
            $questions[$key]['_time'] = $question['created'];
            $questions[$key]['_type'] = 'Q';
            $questions[$key]['_userid'] = $question['userid'];
        }
        $questions[$key]['sort'] = -$questions[$key]['_time'];
    }
    qa_sort_by($questions, 'sort');
    $keepquestions = array();
    // now remove duplicate references to same question
    foreach ($questions as $question) {
        // going in order from most recent to oldest
        $laterquestion = @$keepquestions[$question['postid']];
        if (isset($laterquestion)) {
            // the two events were within 5 minutes of each other
            $close_events = abs($laterquestion['_time'] - $question['_time']) < 300;
            $later_edit = @$laterquestion['oupdatetype'] && !@$question['oupdatetype'] && $laterquestion['_type'] == $question['_type'] && $laterquestion['_userid'] == $question['_userid'];
            // the same user made the later edit
            // this question (in an update list) is personal to the user, but the other one was not
            $this_personal = @$question['opersonal'] && !@$laterquestion['opersonal'];
            if ($close_events && ($later_edit || $this_personal)) {
                // Remove any previous instance of the post to force a new position
                unset($keepquestions[$question['postid']]);
                $keepquestions[$question['postid']] = $question;
            }
        } else {
            // keep this reference if there is no more recent one
            $keepquestions[$question['postid']] = $question;
        }
    }
    return $keepquestions;
}

    $qa_content['q_view']['c_form'] = qa_page_q_edit_c_form($qa_content, 'c' . $formpostid, $commentsfollows[$formpostid], @$ceditin[$formpostid], @$cediterrors[$formpostid]);
    $jumptoanchor = 'c' . $formpostid;
    $commentsall = $questionid;
}
$qa_content['q_view']['c_list'] = qa_page_q_comment_follow_list($question, $question, $commentsfollows, $commentsall == $questionid, $usershtml, $formrequested, $formpostid);
// ...for viewing
//	Prepare content for existing answers (could be added to by Ajax)
$qa_content['a_list'] = array('tags' => 'id="a_list"', 'as' => array());
// sort according to the site preferences
if (qa_opt('sort_answers_by') == 'votes') {
    foreach ($answers as $answerid => $answer) {
        $answers[$answerid]['sortvotes'] = $answer['downvotes'] - $answer['upvotes'];
    }
    qa_sort_by($answers, 'sortvotes', 'created');
} else {
    qa_sort_by($answers, 'created');
}
// further changes to ordering to deal with queued, hidden and selected answers
$countfortitle = $question['acount'];
$nextposition = 10000;
$answerposition = array();
foreach ($answers as $answerid => $answer) {
    if ($answer['viewable']) {
        $position = $nextposition++;
        if ($answer['hidden']) {
            $position += 10000;
        } elseif ($answer['queued']) {
            $position -= 10000;
            $countfortitle++;
            // include these in displayed count
        } elseif ($answer['isselected'] && qa_opt('show_selected_first')) {

/**
 * Post-process $outresult according to $selectspec, applying 'sortasc', 'sortdesc', 'arrayvalue' and 'single'.
 */
function qa_db_post_select(&$outresult, $selectspec)
{
    // PHP's sorting algorithm is not 'stable', so we use '_order_' element to keep stability.
    // By contrast, MySQL's ORDER BY does seem to give the results in a reliable order.
    if (isset($selectspec['sortasc'])) {
        require_once QA_INCLUDE_DIR . 'util/sort.php';
        $index = 0;
        foreach ($outresult as $key => $value) {
            $outresult[$key]['_order_'] = $index++;
        }
        qa_sort_by($outresult, $selectspec['sortasc'], '_order_');
    } elseif (isset($selectspec['sortdesc'])) {
        require_once QA_INCLUDE_DIR . 'util/sort.php';
        if (isset($selectspec['sortdesc_2'])) {
            qa_sort_by($outresult, $selectspec['sortdesc'], $selectspec['sortdesc_2']);
        } else {
            $index = count($outresult);
            foreach ($outresult as $key => $value) {
                $outresult[$key]['_order_'] = $index--;
            }
            qa_sort_by($outresult, $selectspec['sortdesc'], '_order_');
        }
        $outresult = array_reverse($outresult, true);
    }
    if (isset($selectspec['arrayvalue'])) {
        foreach ($outresult as $key => $value) {
            $outresult[$key] = $value[$selectspec['arrayvalue']];
        }
    }
    if (@$selectspec['single']) {
        $outresult = count($outresult) ? reset($outresult) : null;
    }
}

                $a_view['c_form'] = qa_page_q_edit_c_form($formpostid, $answerid);
            }
        }
        //	Determine this answer's place in the order on the page
        if ($answer['hidden']) {
            $a_view['priority'] = 10000 + $priority++;
        } elseif ($answer['isselected'] && qa_opt('show_selected_first')) {
            $a_view['priority'] = 0;
        } else {
            $a_view['priority'] = 5000 + $priority++;
        }
        //	Add the answer to the list
        $qa_content['a_list']['as'][] = $a_view;
    }
}
qa_sort_by($qa_content['a_list']['as'], 'priority');
$countanswers = $question['acount'];
if ($countanswers == 1) {
    $qa_content['a_list']['title'] = qa_lang_html('question/1_answer_title');
} else {
    $qa_content['a_list']['title'] = qa_lang_html_sub('question/x_answers_title', $countanswers);
}
//	Prepare content for form to add an answer
if ($formtype == 'a_add') {
    // Form for adding answers
    $answerform = null;
    switch (qa_user_permit_error('permit_post_a')) {
        case 'login':
            $answerform = array('style' => 'tall', 'title' => qa_insert_login_links(qa_lang_html('question/answer_must_login'), $qa_request));
            break;
        case 'confirm':

function qa_any_sort_and_dedupe($questions)
{
    if (qa_to_override(__FUNCTION__)) {
        $args = func_get_args();
        return qa_call_override(__FUNCTION__, $args);
    }
    require_once QA_INCLUDE_DIR . 'qa-util-sort.php';
    foreach ($questions as $key => $question) {
        // collect information about action referenced by each $question
        if (isset($question['opostid'])) {
            $questions[$key]['_time'] = $question['otime'];
            $questions[$key]['_type'] = $question['obasetype'];
            $questions[$key]['_userid'] = @$question['ouserid'];
        } else {
            $questions[$key]['_time'] = $question['created'];
            $questions[$key]['_type'] = 'Q';
            $questions[$key]['_userid'] = $question['userid'];
        }
        $questions[$key]['sort'] = -$questions[$key]['_time'];
    }
    qa_sort_by($questions, 'sort');
    $keepquestions = array();
    // now remove duplicate references to same question
    foreach ($questions as $question) {
        // going in order from most recent to oldest
        $laterquestion = @$keepquestions[$question['postid']];
        if (!isset($laterquestion) || @$laterquestion['oupdatetype'] && !@$question['oupdatetype'] && $laterquestion['_type'] == $question['_type'] && $laterquestion['_userid'] == $question['_userid'] && abs($laterquestion['_time'] - $question['_time']) < 300 || @$question['opersonal'] && !@$laterquestion['opersonal'] && abs($laterquestion['_time'] - $question['_time']) < 300) {
            $keepquestions[$question['postid']] = $question;
        }
    }
    return $keepquestions;
}

    require_once QA_INCLUDE_DIR . 'pages/question-view.php';
    require_once QA_INCLUDE_DIR . 'pages/question-submit.php';
    require_once QA_INCLUDE_DIR . 'util/sort.php';
    //	Try to create the new comment
    $usecaptcha = qa_user_use_captcha(qa_user_level_for_post($question));
    $commentid = qa_page_q_add_c_submit($question, $parent, $children, $usecaptcha, $in, $errors);
    //	If successful, page content will be updated via Ajax
    if (isset($commentid)) {
        $children = qa_db_select_with_pending(qa_db_full_child_posts_selectspec($userid, $parentid));
        $parent = $parent + qa_page_q_post_rules($parent, $questionid == $parentid ? null : $question, null, $children);
        // in theory we should retrieve the parent's siblings for the above, but they're not going to be relevant
        foreach ($children as $key => $child) {
            $children[$key] = $child + qa_page_q_post_rules($child, $parent, $children, null);
        }
        $usershtml = qa_userids_handles_html($children, true);
        qa_sort_by($children, 'created');
        $c_list = qa_page_q_comment_follow_list($question, $parent, $children, true, $usershtml, false, null);
        $themeclass = qa_load_theme_class(qa_get_site_theme(), 'ajax-comments', null, null);
        echo "QA_AJAX_RESPONSE\n1\n";
        //	Send back the ID of the new comment
        echo qa_anchor('C', $commentid) . "\n";
        //	Send back the HTML
        $themeclass->c_list_items($c_list['cs']);
        return;
    }
}
echo "QA_AJAX_RESPONSE\n0\n";
// fall back to non-Ajax submission if there were any problems
/*
	Omit PHP closing tag to help avoid accidental output
*/

    $showpluginforms = true;
}
if (!empty($pluginfiles)) {
    $metadataUtil = new Q2A_Util_Metadata();
    $sortedPluginFiles = array();
    foreach ($pluginfiles as $pluginFile) {
        $metadata = $metadataUtil->fetchFromAddonPath(dirname($pluginFile));
        if (empty($metadata)) {
            // limit plugin parsing to first 8kB
            $contents = file_get_contents($pluginFile, false, null, -1, 8192);
            $metadata = qa_addon_metadata($contents, 'Plugin');
        }
        $metadata['name'] = isset($metadata['name']) && !empty($metadata['name']) ? qa_html($metadata['name']) : qa_lang_html('admin/unnamed_plugin');
        $sortedPluginFiles[$pluginFile] = $metadata;
    }
    qa_sort_by($sortedPluginFiles, 'name');
    $pluginIndex = -1;
    foreach ($sortedPluginFiles as $pluginFile => $metadata) {
        $pluginIndex++;
        $plugindirectory = dirname($pluginFile);
        $hash = qa_admin_plugin_directory_hash($plugindirectory);
        $showthisform = $showpluginforms && qa_get('show') == $hash;
        $namehtml = $metadata['name'];
        if (isset($metadata['uri']) && strlen($metadata['uri'])) {
            $namehtml = '<a href="' . qa_html($metadata['uri']) . '">' . $namehtml . '</a>';
        }
        $namehtml = '<b>' . $namehtml . '</b>';
        $metaver = isset($metadata['version']) && strlen($metadata['version']);
        if ($metaver) {
            $namehtml .= ' v' . qa_html($metadata['version']);
        }

//.........这里部分代码省略.........
                $lastquestionid = max($questionids);
                foreach ($questionids as $questionid) {
                    //	Retrieve all posts relating to this question
                    list($question, $childposts, $achildposts) = qa_db_select_with_pending(qa_db_full_post_selectspec(null, $questionid), qa_db_full_child_posts_selectspec(null, $questionid), qa_db_full_a_child_posts_selectspec(null, $questionid));
                    //	Merge all posts while preserving keys as postids
                    $posts = array($questionid => $question);
                    foreach ($childposts as $postid => $post) {
                        $posts[$postid] = $post;
                    }
                    foreach ($achildposts as $postid => $post) {
                        $posts[$postid] = $post;
                    }
                    //	Creation and editing of each post
                    foreach ($posts as $postid => $post) {
                        $followonq = $post['basetype'] == 'Q' && $postid != $questionid;
                        qa_create_event_for_q_user($questionid, $postid, $followonq ? QA_UPDATE_FOLLOWS : null, $post['userid'], @$posts[$post['parentid']]['userid'], $post['created']);
                        if (isset($post['updated']) && !$followonq) {
                            qa_create_event_for_q_user($questionid, $postid, $post['updatetype'], $post['lastuserid'], $post['userid'], $post['updated']);
                        }
                    }
                    //	Tags and categories of question
                    qa_create_event_for_tags($question['tags'], $questionid, null, $question['userid'], $question['created']);
                    qa_create_event_for_category($question['categoryid'], $questionid, null, $question['userid'], $question['created']);
                    //	Collect comment threads
                    $parentidcomments = array();
                    foreach ($posts as $postid => $post) {
                        if ($post['basetype'] == 'C') {
                            $parentidcomments[$post['parentid']][$postid] = $post;
                        }
                    }
                    //	For each comment thread, notify all previous comment authors of each comment in the thread (could get slow)
                    foreach ($parentidcomments as $parentid => $comments) {
                        $keyuserids = array();
                        qa_sort_by($comments, 'created');
                        foreach ($comments as $comment) {
                            foreach ($keyuserids as $keyuserid => $dummy) {
                                if ($keyuserid != $comment['userid'] && $keyuserid != @$posts[$parentid]['userid']) {
                                    qa_db_event_create_not_entity($keyuserid, $questionid, $comment['postid'], null, $comment['userid'], $comment['created']);
                                }
                            }
                            if (isset($comment['userid'])) {
                                $keyuserids[$comment['userid']] = true;
                            }
                        }
                    }
                }
                $next = 1 + $lastquestionid;
                $done += count($questionids);
                $continue = true;
            } else {
                qa_recalc_transition($state, 'dorefillevents_complete');
            }
            break;
        case 'dorecalccategories':
            qa_recalc_transition($state, 'dorecalccategories_postcount');
            break;
        case 'dorecalccategories_postcount':
            qa_db_acount_update();
            qa_db_ccount_update();
            qa_recalc_transition($state, 'dorecalccategories_postupdate');
            break;
        case 'dorecalccategories_postupdate':
            $postids = qa_db_posts_get_for_recategorizing($next, 100);
            if (count($postids)) {
                $lastpostid = max($postids);
                qa_db_posts_recalc_categoryid($next, $lastpostid);