PHP str_cut函数代码示例

 public static function text2html($string, $cutlen = false)
 {
     if (intval($cutlen) > 0) {
         $string = str_cut($string, $cutlen);
     }
     return nl2br(str_replace(' ', ' ', self::new_htmlspecialchars($string)));
 }

function addart($catid, $title, $content)
{
    $info = array();
    $info['catid'] = 3;
    $info['title'] = "api push";
    $info['content'] = "absolutelu api push";
    $db_config = pc_base::load_config('database');
    pc_base::load_sys_class('mysql', '', 0);
    pc_base::load_sys_class('param', '', 0);
    $db = pc_base::load_model('content_model');
    $categorys = getcache('category_content_1', 'commons');
    $category = $categorys[3];
    //var_dump($categorys);
    $modelid = $category['modelid'];
    //var_dump($modelid);
    //die;
    $db->set_model($modelid);
    $setting = string2array($category['setting']);
    $workflowid = $setting['workflowid'];
    $info['status'] = 99;
    $info['keywords'] = "";
    $info['description'] = str_cut(str_replace(array("\r\n", "\t", '[page]', '[/page]', '“', '”', ' '), '', strip_tags($info['content'])), 200);
    $info['username'] = "sumuya";
    $info['inputtime'] = '';
    echo "1";
    if ($db->add_content($info)) {
        return true;
    }
    return false;
}

function post_query($col)
{
    include 'conn.php';
    //  Get the number of row of a table
    $sql = "SELECT count(id) FROM blog";
    $query = mysqli_query($conn, $sql);
    $row = mysqli_fetch_row($query);
    //  Catch the session variable from another page
    $n = $_SESSION['var'];
    for ($i = 1; $i <= $row[0]; $i++) {
        $sql = "SELECT * FROM blog where id = {$n} order by time asc";
        //  For query
        $query = mysqli_query($conn, $sql);
        $row = mysqli_fetch_assoc($query);
        if ($col == 'post_detail') {
            str_cut($row['post_detail']);
            break;
        } elseif ($col == 'author') {
            echo $row['author'];
            break;
        } elseif ($col == 'time') {
            echo $row['time'];
            break;
        } elseif ($col == 'post_heading') {
            echo $row['post_heading'];
            break;
        } elseif ($col == 'image') {
            echo $row['image'];
            break;
        } elseif ($col == 'id') {
            echo $row['id'];
            break;
        }
    }
}

function addart($catid, $title, $content)
{
    $info = array();
    $info['catid'] = $catid;
    $info['title'] = $title;
    $info['content'] = $content;
    $db_config = pc_base::load_config('database');
    pc_base::load_sys_class('mysql', '', 0);
    pc_base::load_sys_class('param', '', 0);
    $db = pc_base::load_model('content_model');
    $category = $categorys[3];
    $modelid = $category['modelid'];
    $db->set_model($modelid);
    $setting = string2array($category['setting']);
    $workflowid = $setting['workflowid'];
    $info['status'] = 99;
    $info['keywords'] = get_keywords($info['title'], 3);
    $info['description'] = str_cut(str_replace(array("\r\n", "\t", '[page]', '[/page]', '“', '”', ' '), '', strip_tags($info['content'])), 200);
    $info['username'] = "admin";
    $info['inputtime'] = '';
    if ($db->add_content($info)) {
        return true;
    }
    return false;
}

 public function search()
 {
     $title = safe_replace($_GET['title']);
     if (CHARSET == 'gbk') {
         $title = iconv('utf-8', 'gbk', $title);
     }
     $where = '`status`=21';
     if ($title) {
         $where .= ' AND `title` LIKE \'%' . $title . '%\'';
     }
     $userupload = intval($_GET['userupload']);
     if ($userupload) {
         $where .= ' AND `userupload`=1';
     }
     $page = $_GET['page'];
     $pagesize = 6;
     $infos = $this->db->listinfo($where, 'videoid DESC', $page, $pagesize);
     $number = $this->db->number;
     $pages = $this->pages($number, $page, $pagesize, 4, 'get_videoes');
     if (is_array($infos) && !empty($infos)) {
         $html = '';
         foreach ($infos as $info) {
             $html .= '<li><div class="w9"><a href="javascript:void(0);" onclick="a_click(this);" title="' . $info['title'] . '" data-vid="' . $info['vid'] . '" ><span></span><img src="' . $info['picpath'] . '" width="90" height="51" /></a><p>' . str_cut($info['title'], 18) . '</p></div></li>';
         }
     }
     $data['pages'] = $pages;
     $data['html'] = $html;
     if (CHARSET == 'gbk') {
         $data = array_iconv($data, 'gbk', 'utf-8');
     }
     exit(json_encode($data));
 }

 function get($data, $isimport = 0)
 {
     $this->data = $data = trim_script($data);
     $info = array();
     foreach ($data as $field => $value) {
         if (!isset($this->fields[$field]) && !check_in($field, 'paytype,paginationtype,maxcharperpage,id')) {
             continue;
         }
         $name = $this->fields[$field]['name'];
         $minlength = $this->fields[$field]['minlength'];
         $maxlength = $this->fields[$field]['maxlength'];
         $pattern = $this->fields[$field]['pattern'];
         $errortips = $this->fields[$field]['errortips'];
         if (empty($errortips)) {
             $errortips = $name . ' 不符合要求';
         }
         $length = empty($value) ? 0 : (is_string($value) ? strlen($value) : count($value));
         if ($minlength && $length < $minlength) {
             if ($isimport) {
                 return false;
             } else {
                 showmessage($name . ' 不得少于 ' . $minlength . ' 字符');
             }
         }
         if ($maxlength && $length > $maxlength) {
             if ($isimport) {
                 $value = str_cut($value, $maxlength, '');
             } else {
                 showmessage($name . ' 不得多于 ' . $maxlength . ' 字符');
             }
         } elseif ($maxlength) {
             $value = str_cut($value, $maxlength, '');
         }
         if ($pattern && $length && !preg_match($pattern, $value) && !$isimport) {
             showmessage($errortips);
         }
         // 唯一性判断，和附加函数验证
         /*$MODEL = getcache('model', 'commons');
         		$this->db->table_name = $this->fields[$field]['issystem'] ? $this->db_pre.$MODEL[$this->modelid]['tablename'] : $this->db_pre.$MODEL[$this->modelid]['tablename'].'_data';
         		if($this->fields[$field]['isunique'] && $this->db->get_one(array($field=>$value),$field) && ROUTE_A != 'edit') showmessage($name.L('the_value_must_not_repeat'));*/
         $func = $this->fields[$field]['formtype'];
         if (method_exists($this, $func)) {
             $value = $this->{$func}($field, $value);
         }
         // var_dump($this->fields);
         if ($this->fields[$field]['issystem']) {
             $info['system'][$field] = $value;
         } else {
             $info['model'][$field] = $value;
         }
     }
     //颜色选择为隐藏域 在这里进行取值
     $info['system']['style'] = $_POST['style_color'] ? strip_tags($_POST['style_color']) : '';
     if ($_POST['style_font_weight']) {
         $info['system']['style'] = $info['system']['style'] . ';' . strip_tags($_POST['style_font_weight']);
     }
     return $info;
 }

 function get($data, $isimport = 0)
 {
     $this->data = $data = trim_script($data);
     $info = array();
     foreach ($data as $field => $value) {
         //if(!isset($this->fields[$field]) || check_in($_roleid, $this->fields[$field]['unsetroleids']) || check_in($_groupid, $this->fields[$field]['unsetgroupids'])) continue;
         $name = $this->fields[$field]['name'];
         $minlength = $this->fields[$field]['minlength'];
         $maxlength = $this->fields[$field]['maxlength'];
         $pattern = $this->fields[$field]['pattern'];
         $errortips = $this->fields[$field]['errortips'];
         if (empty($errortips)) {
             $errortips = $name . ' ' . L('not_meet_the_conditions');
         }
         $length = empty($value) ? 0 : strlen($value);
         if ($minlength && $length < $minlength) {
             if ($isimport) {
                 return false;
             } else {
                 showmessage($name . ' ' . L('not_less_than') . ' ' . $minlength . L('characters'));
             }
         }
         if ($maxlength && $length > $maxlength) {
             if ($isimport) {
                 $value = str_cut($value, $maxlength, '');
             } else {
                 showmessage($name . ' ' . L('not_more_than') . ' ' . $maxlength . L('characters'));
             }
         } elseif ($maxlength) {
             $value = str_cut($value, $maxlength, '');
         }
         if ($pattern && $length && !preg_match($pattern, $value) && !$isimport) {
             showmessage($errortips);
         }
         $MODEL = getcache('model', 'commons');
         $this->db->table_name = $this->fields[$field]['issystem'] ? $this->db_pre . $MODEL[$this->modelid]['tablename'] : $this->db_pre . $MODEL[$this->modelid]['tablename'] . '_data';
         if ($this->fields[$field]['isunique'] && $this->db->get_one(array($field => $value), $field) && ROUTE_A != 'edit') {
             showmessage($name . L('the_value_must_not_repeat'));
         }
         $func = $this->fields[$field]['formtype'];
         if (method_exists($this, $func)) {
             $value = $this->{$func}($field, $value);
         }
         if ($this->fields[$field]['issystem']) {
             $info['system'][$field] = $value;
         } else {
             $info['model'][$field] = $value;
         }
         //颜色选择为隐藏域 在这里进行取值
         $info['system']['style'] = $_POST['style_color'] ? strip_tags($_POST['style_color']) : '';
         if ($_POST['style_font_weight']) {
             $info['system']['style'] = $info['system']['style'] . ';' . strip_tags($_POST['style_font_weight']);
         }
     }
     return $info;
 }

 public function get($data, $isimport = 0)
 {
     $this->data = $data;
     $info = array();
     foreach ($data as $field => $value) {
         $name = $this->fields[$field]['name'];
         $minlength = $this->fields[$field]['minlength'];
         $maxlength = $this->fields[$field]['maxlength'];
         $pattern = $this->fields[$field]['pattern'];
         $errortips = $this->fields[$field]['errortips'];
         if (empty($errortips)) {
             $errortips = $name . ' ' . L('not_meet_the_conditions');
         }
         $length = strlen($value);
         if ($minlength && $length < $minlength) {
             if ($isimport) {
                 return false;
             } else {
                 showmessage($name . ' ' . L('not_less_than') . ' ' . $minlength . L('characters'));
             }
         }
         if ($maxlength && $length > $maxlength) {
             if ($isimport) {
                 $value = str_cut($value, $maxlength, '');
             } else {
                 showmessage($name . ' ' . L('not_more_than') . ' ' . $maxlength . L('characters'));
             }
         } elseif ($maxlength) {
             $value = str_cut($value, $maxlength, '');
         }
         if ($pattern && $length && !preg_match($pattern, $value) && !$isimport) {
             showmessage($errortips);
         }
         $MODEL = S('common/model');
         $this->db->table_name = $this->fields[$field]['issystem'] ? $this->db_pre . $MODEL[$this->modelid]['tablename'] : $this->db_pre . $MODEL[$this->modelid]['tablename'] . '_data';
         if ($this->fields[$field]['isunique'] && $this->db->where(array($field => $value))->field($field)->find() && ACTION != 'edit') {
             showmessage($name . L('the_value_must_not_repeat'));
         }
         $func = $this->fields[$field]['formtype'];
         if (method_exists($this, $func)) {
             $value = $this->{$func}($field, $value);
         }
         if ($this->fields[$field]['issystem']) {
             $info['system'][$field] = $value;
         } else {
             $info['model'][$field] = $value;
         }
         // 颜色选择为隐藏域 在这里进行取值
         $info['system']['style'] = isset($_POST['style_color']) ? strip_tags($_POST['style_color']) : '';
         if (isset($_POST['style_font_weight'])) {
             $info['system']['style'] = $info['system']['style'] . ';' . strip_tags($_POST['style_font_weight']);
         }
     }
     return $info;
 }

 function get($data, $isimport = 0)
 {
     $this->data = $data = trim_script($data);
     $info = array();
     foreach ($this->fields as $field) {
         //if(!isset($this->fields[$field]) || check_in($_roleid, $this->fields[$field]['unsetroleids']) || check_in($_groupid, $this->fields[$field]['unsetgroupids'])) continue;
         $name = $field['name'];
         $minlength = $field['minlength'];
         $maxlength = $field['maxlength'];
         $pattern = $field['pattern'];
         $errortips = $field['errortips'];
         $value = $data[$field['field']];
         //if(empty($errortips)) $errortips = $name.' '.L('not_meet_the_conditions');
         if (empty($errortips)) {
             $errortips = "请输入正确的{$name}";
         }
         $length = is_array($value) ? empty($value) ? 0 : 1 : strlen($value);
         if ($minlength && $length < $minlength) {
             if ($isimport) {
                 return false;
             } else {
                 showmessage($name . ' ' . L('not_less_than') . ' ' . $minlength . L('characters'));
             }
         }
         if ($maxlength && $length > $maxlength) {
             if ($isimport) {
                 $value = str_cut($value, $maxlength, '');
             } else {
                 showmessage($name . ' ' . L('not_more_than') . ' ' . $maxlength . L('characters'));
             }
         } elseif ($maxlength) {
             $value = str_cut($value, $maxlength, '');
         }
         if ($pattern && $length && !preg_match($pattern, $value) && !$isimport) {
             showmessage($errortips);
         }
         $func = $field['formtype'];
         if (method_exists($this, $func)) {
             $value = $this->{$func}($field['field'], $value);
         }
         $info[$field['field']] = $value;
         //颜色选择为隐藏域 在这里进行取值
         if ($_POST['style_color']) {
             $info['style'] = $_POST['style_color'];
         }
         if ($_POST['style_font_weight']) {
             $info['style'] = $info['style'] . ';' . strip_tags($_POST['style_font_weight']);
         }
     }
     return $info;
 }

 function get($data, $isimport = 0)
 {
     $this->data = $data = trim_script($data);
     $info = array();
     foreach ($data as $field => $value) {
         if (!isset($this->fields[$field]) && !check_in($field, 'paytype,paginationtype,maxcharperpage,id')) {
             continue;
         }
         $name = $this->fields[$field]['name'];
         $minlength = $this->fields[$field]['minlength'];
         $maxlength = $this->fields[$field]['maxlength'];
         $pattern = $this->fields[$field]['pattern'];
         $errortips = $this->fields[$field]['errortips'];
         if (empty($errortips)) {
             $errortips = $name . ' 不符合要求';
         }
         $length = empty($value) ? 0 : (is_string($value) ? strlen($value) : count($value));
         if ($minlength && $length < $minlength) {
             if ($isimport) {
                 return false;
             } else {
                 showmessage($name . ' 不得少于 ' . $minlength . ' 字符');
             }
         }
         if ($maxlength && $length > $maxlength) {
             if ($isimport) {
                 $value = str_cut($value, $maxlength, '');
             } else {
                 showmessage($name . ' 不得多于 ' . $maxlength . ' 字符');
             }
         } elseif ($maxlength) {
             $value = str_cut($value, $maxlength, '');
         }
         if ($pattern && $length && !preg_match($pattern, $value) && !$isimport) {
             showmessage($errortips);
         }
         // 附加函数验证
         $func = $this->fields[$field]['formtype'];
         if (method_exists($this, $func)) {
             $value = $this->{$func}($field, $value);
         }
         $info['system'][$field] = $value;
     }
     //颜色选择为隐藏域 在这里进行取值
     $info['system']['style'] = $_POST['style_color'] ? strip_tags($_POST['style_color']) : '';
     if ($_POST['style_font_weight']) {
         $info['system']['style'] = $info['system']['style'] . ';' . strip_tags($_POST['style_font_weight']);
     }
     return $info;
 }

 function get($data)
 {
     $this->data = $data = trim_script($data);
     $model_cache = getcache('member_model', 'commons');
     $this->db->table_name = $this->db_pre . $model_cache[$this->modelid]['tablename'];
     $info = array();
     $debar_filed = array('catid', 'title', 'style', 'thumb', 'status', 'islink', 'description');
     if (is_array($data)) {
         foreach ($data as $field => $value) {
             if ($data['islink'] == 1 && !in_array($field, $debar_filed)) {
                 continue;
             }
             $field = safe_replace($field);
             $name = $this->fields[$field]['name'];
             $minlength = $this->fields[$field]['minlength'];
             $maxlength = $this->fields[$field]['maxlength'];
             $pattern = $this->fields[$field]['pattern'];
             $errortips = $this->fields[$field]['errortips'];
             if (empty($errortips)) {
                 $errortips = "{$name} 不符合要求！";
             }
             $length = empty($value) ? 0 : strlen($value);
             if ($minlength && $length < $minlength && !$isimport) {
                 showmessage("{$name} 不得少于 {$minlength} 个字符！");
             }
             if (!array_key_exists($field, $this->fields)) {
                 showmessage('模型中不存在' . $field . '字段');
             }
             if ($maxlength && $length > $maxlength && !$isimport) {
                 showmessage("{$name} 不得超过 {$maxlength} 个字符！");
             } else {
                 str_cut($value, $maxlength);
             }
             if ($pattern && $length && !preg_match($pattern, $value) && !$isimport) {
                 showmessage($errortips);
             }
             if ($this->fields[$field]['isunique'] && $this->db->get_one(array($field => $value), $field) && ROUTE_A != 'edit') {
                 showmessage("{$name} 的值不得重复！");
             }
             $func = $this->fields[$field]['formtype'];
             if (method_exists($this, $func)) {
                 $value = $this->{$func}($field, $value);
             }
             $info[$field] = $value;
         }
     }
     return $info;
 }

 public function index()
 {
     $model = M('Article');
     $data['status'] = 1;
     $count = $model->where($data)->count();
     $page_size = $_REQUEST['page_size'] ? $_REQUEST['page_size'] : C('default_page_size');
     $page_count = ceil($count / $page_size);
     $pageno = 1;
     $offset = ($pageno - 1) * $page_size;
     $voList = $model->field('id,title,content,litpic,create_time')->where($data)->limit($offset . ',' . $page_size)->select();
     foreach ($voList as $key => $val) {
         $voList[$key]['content'] = str_cut(htmlspecialchars_decode($val['content']), 45);
     }
     $list['count'] = $count;
     $list['page_count'] = $page_count;
     $list['data'] = $voList;
     echo json_encode($list);
     exit;
 }

function joy($id)
{
    $session_id = "joy_src" . $id;
    $src = $_SESSION[$session_id];
    if (empty($src)) {
        //注意msxv5v2可能是个验证值，以后可能会变更，将导致无法获取
        $url = "http://msx.app.joy.cn/service.php?action=msxv5v2&playertype=joyplayer&videoid=" . $id;
        $str = get_data($url);
        if ($str) {
            $s1 = str_cut($str, "<HostPath", "/HostPath>");
            $s11 = str_cut($s1, ">", "<");
            $s2 = str_cut($str, "<Url", "</Url>");
            $s21 = str_cut($s2, "<![CDATA[", "]]>");
            $src = $s11 . $s21;
            //echo $src;
            $_SESSION[$session_id] = $src;
        }
    }
    return $src;
}

    function autoHookHead(&$style, $isReply)
    {
        global $PIO, $FileIO;
        if ($isReply) {
            $p = $PIO->fetchPosts($isReply);
            $sub = $p[0]['sub'];
            $com = htmlentities(str_cut($p[0]['com'], 100), ENT_QUOTES, 'UTF-8');
            $thumb = '';
            if ($p[0]['ext'] != '') {
                $thumb = $FileIO->resolveThumbName($p[0]['tim']);
                // 檢查是否有預覽圖可以顯示
                $thumb = $thumb ? $FileIO->getImageURL($thumb) : '';
            }
            $style .= <<<_HERE_

<meta property="og:image" content="{$thumb}" />
<meta property="og:title" content="{$sub} - {$this->site}" />
<meta property="og:description" content="{$com}" />
_HERE_;
        }
    }

 function new_age()
 {
     $msg = M('Message');
     $limit = $_POST['limit'];
     $current = I('get.page', 1);
     $art = ($current - 1) * $limit;
     $url = get_url();
     //获取当前页面的URL地址
     $fir = strpos($url, 'page');
     if ($fir) {
         $purl = mb_substr($url, 0, $fir - 1);
     } else {
         $purl = $url;
     }
     $count = $msg->count();
     $show = list_page($current, $limit, $count, $purl);
     $msg = $msg->order('msg_addtime DESC')->limit($art, $limit)->select();
     foreach ($msg as $key => $val) {
         $msg[$key]['msg_ctitle'] = str_cut($val['msg_content'], 0, 21);
     }
     $data = array('msg' => $msg, 'show' => $show);
     echo json_encode($data);
 }