• 技术文章 >CMS教程 >ECShop

    ecshop如何修改并支持PHP7

    藏色散人藏色散人2020-07-11 09:54:45原创1032

    ecshop修改php的方法:首先将mysql扩展的使用替换掉,改为使用mysqli或pdo;然后更改“cls_image.php”的“gd_version()”方法,将这个方法改为静态方法;最后去除使用类名的构造函数。

    ecshop支持PHP7的修改方法

    (1)将mysql扩展的使用替换掉,改为使用mysqli或pdo(推荐使用mysqli):

    推荐:《ECShop教程

    从php5.5开始,mysql扩展将废弃了。 具体更改的文件在于includes/cls_mysql.php。这是个不小的工程,文件代码太长……

    if (!defined('DITAN_ECS'))
    {
    die('Hacking attempt');
    }
    class cls_mysql
    {
    var $link_id = NULL;
    var $settings = array();
    var $queryCount = 0;
    var $queryTime = '';
    var $queryLog = array();
    var $max_cache_time = 300; // 最大的缓存时间,以秒为单位
    var $cache_data_dir = 'temp/query_caches/';
    var $root_path = '';
    var $error_message = array();
    var $platform = '';
    var $version = '';
    var $dbhash = '';
    var $starttime = 0;
    var $timeline = 0;
    var $timezone = 0;
    // 事务指令数
    protected $transTimes = 0;
    var $mysql_config_cache_file_time = 0;
    var $mysql_disable_cache_tables = array(); // 不允许被缓存的表,遇到将不会进行缓存
    function __construct($dbhost, $dbuser, $dbpw, $dbname = '', $charset = 'gbk', $pconnect = 0, $quiet = 0)
    {
    $this->cls_mysql($dbhost, $dbuser, $dbpw, $dbname, $charset, $pconnect, $quiet);
    }
    function cls_mysql($dbhost, $dbuser, $dbpw, $dbname = '', $charset = 'gbk', $pconnect = 0, $quiet = 0)
    {
    if (defined('EC_CHARSET'))
    {
    $charset = strtolower(str_replace('-', '', EC_CHARSET));
    }
    if (defined('ROOT_PATH') && !$this->root_path)
    {
    $this->root_path = ROOT_PATH;
    }
    if ($quiet)
    {
    $this->connect($dbhost, $dbuser, $dbpw, $dbname, $charset, $pconnect, $quiet);
    }
    else
    {
    $this->settings = array(
    'dbhost' => $dbhost,
    'dbuser' => $dbuser,
    'dbpw' => $dbpw,
    'dbname' => $dbname,
    'charset' => $charset,
    'pconnect' => $pconnect
    );
    }
    }
    function connect($dbhost, $dbuser, $dbpw, $dbname = '', $charset = 'utf8', $pconnect = 0, $quiet = 0)
    {
    if ($pconnect)
    {
    $this->link_id = new mysqli('p:'.$dbhost, $dbuser, $dbpw);
    if ($this->link_id->connect_error)
    {
    if (!$quiet)
    {
    $this->ErrorMsg("Can't pConnect MySQL Server($dbhost)!");
    }
    return false;
    }
    }
    else
    {
    $this->link_id = new mysqli($dbhost, $dbuser, $dbpw);
    if ($this->link_id->connect_error)
    {
    if (!$quiet)
    {
    $this->ErrorMsg("Can't Connect MySQL Server($dbhost)!");
    }
    return false;
    }
    }
    $this->dbhash = md5($this->root_path . $dbhost . $dbuser . $dbpw . $dbname);
    $this->version = $this->link_id->server_version;
    /* 对字符集进行初始化 */
    $this->link_id->set_charset($charset);
    $this->link_id->query("SET sql_mode=''");
    $sqlcache_config_file = $this->root_path . $this->cache_data_dir . 'sqlcache_config_file_' . $this->dbhash . '.php';
    @include($sqlcache_config_file);
    $this->starttime = time();
    if ($this->max_cache_time && $this->starttime > $this->mysql_config_cache_file_time + $this->max_cache_time)
    {
    if ($dbhost != '.')
    {
    $result = $this->link_id->query("SHOW VARIABLES LIKE 'basedir'");
    $row = $result->fetch_array(MYSQLI_ASSOC);
    $result->free();
    if (!empty($row['Value']{1}) && $row['Value']{1} == ':' && !empty($row['Value']{2}) && $row['Value']{2} == "/")
    {
    $this->platform = 'WINDOWS';
    }
    else
    {
    $this->platform = 'OTHER';
    }
    }
    else
    {
    $this->platform = 'WINDOWS';
    }
    if ($this->platform == 'OTHER' &&
    ($dbhost != '.' && strtolower($dbhost) != 'localhost:3306' && $dbhost != '127.0.0.1:3306') ||
    date_default_timezone_get() == 'UTC')
    {
    $result = $this->link_id->query("SELECT UNIX_TIMESTAMP() AS timeline, UNIX_TIMESTAMP('" . date('Y-m-d H:i:s', $this->starttime) . "') AS timezone");
    $row = $result->fetch_array(MYSQLI_ASSOC);
    $result->free();
    if ($dbhost != '.' && strtolower($dbhost) != 'localhost:3306' && $dbhost != '127.0.0.1:3306')
    {
    $this->timeline = $this->starttime - $row['timeline'];
    }
    if (date_default_timezone_get() == 'UTC')
    {
    $this->timezone = $this->starttime - $row['timezone'];
    }
    }
    $content = '<' . "?php\r\n" .
    '$this->mysql_config_cache_file_time = ' . $this->starttime . ";\r\n" .
    '$this->timeline = ' . $this->timeline . ";\r\n" .
    '$this->timezone = ' . $this->timezone . ";\r\n" .
    '$this->platform = ' . "'" . $this->platform . "';\r\n?" . '>';
    @file_put_contents($sqlcache_config_file, $content);
    }
    /* 选择数据库 */
    if ($dbname)
    {
    if ($this->link_id->select_db($dbname) === false )
    {
    if (!$quiet)
    {
    $this->ErrorMsg("Can't select MySQL database($dbname)!");
    }
    return false;
    }
    else
    {
    return true;
    }
    }
    else
    {
    return true;
    }
    }
    function select_database($dbname)
    {
    return $this->link_id->select_db($dbname);
    }
    function set_mysql_charset($charset)
    {
    if (in_array(strtolower($charset), array('gbk', 'big5', 'utf-8', 'utf8')))
    {
    $charset = str_replace('-', '', $charset);
    }
    $this->link_id->set_charset($charset);
    }
    function fetch_array($query, $result_type = MYSQLI_ASSOC)
    {
    $row = $query->fetch_array($result_type);
    $query->free();
    return $row;
    }
    function query($sql, $type = '')
    {
    if ($this->link_id === NULL)
    {
    $this->connect($this->settings['dbhost'], $this->settings['dbuser'], $this->settings['dbpw'], $this->settings['dbname'], $this->settings['charset'], $this->settings['pconnect']);
    $this->settings = array();
    }
    if ($this->queryCount++ <= 99)
    {
    $this->queryLog[] = $sql;
    }
    if ($this->queryTime == '')
    {
    if (PHP_VERSION >= '5.0.0')
    {
    $this->queryTime = microtime(true);
    }
    else
    {
    $this->queryTime = microtime();
    }
    }
    /* 当当前的时间大于类初始化时间的时候,自动执行 ping 这个自动重新连接操作 */
    if (time() > $this->starttime + 1)
    {
    $this->link_id->ping();
    }
    if (!($query = $this->link_id->query($sql)) && $type != 'SILENT')
    {
    $this->error_message[]['message'] = 'MySQL Query Error';
    $this->error_message[]['sql'] = $sql;
    $this->error_message[]['error'] = $this->link_id->error;
    $this->error_message[]['errno'] = $this->link_id->errno;
    $this->ErrorMsg();
    return false;
    }
    if (defined('DEBUG_MODE') && (DEBUG_MODE & 8) == 8)
    {
    $logfilename = $this->root_path . DATA_DIR . '/mysql_query_' . $this->dbhash . '_' . date('Y_m_d') . '.log';
    $str = $sql . "\n\n";
    if (PHP_VERSION >= '5.0')
    {
    file_put_contents($logfilename, $str, FILE_APPEND);
    }
    else
    {
    $fp = @fopen($logfilename, 'ab+');
    if ($fp)
    {
    fwrite($fp, $str);
    fclose($fp);
    }
    }
    }
    return $query;
    }
    function affected_rows()
    {
    return $this->link_id->affected_rows;
    }
    function error()
    {
    return $this->link_id->error;
    }
    function errno()
    {
    return $this->link_id->errno;
    }
    function result($query, $row)
    {
    $query->data_seek($row);
    $result = $query->fetch_row();
    $query->free();
    return $result;
    }
    function num_rows($query)
    {
    return $query->num_rows;
    }
    function num_fields($query)
    {
    return $this->link_id->field_count;
    }
    function free_result($query)
    {
    return $query->free();
    }
    function insert_id()
    {
    return $this->link_id->insert_id;
    }
    function fetchRow($query)
    {
    return $query->fetch_assoc();
    }
    function fetch_fields($query)
    {
    return $query->fetch_field();
    }
    function version()
    {
    return $this->version;
    }
    function ping()
    {
    return $this->link_id->ping();
    }
    function escape_string($unescaped_string)
    {
    return $this->link_id->real_escape_string($unescaped_string);
    }
    function close()
    {
    return $this->link_id->close();
    }
    function ErrorMsg($message = '', $sql = '')
    {
    if ($message)
    {
    echo "DTXB info: $message\n\n
    ";
    //print('http://faq.comsenz.com/');
    }
    else
    {
    echo "MySQL server error report:";
    print_r($this->error_message);
    //echo "
    http://faq.comsenz.com/";
    }
    exit;
    }
    /* 仿真 Adodb 函数 */
    function selectLimit($sql, $num, $start = 0)
    {
    if ($start == 0)
    {
    $sql .= ' LIMIT ' . $num;
    }
    else
    {
    $sql .= ' LIMIT ' . $start . ', ' . $num;
    }
    return $this->query($sql);
    }
    function getOne($sql, $limited = false)
    {
    if ($limited == true)
    {
    $sql = trim($sql . ' LIMIT 1');
    }
    $res = $this->query($sql);
    if ($res !== false)
    {
    $row = $res->fetch_row();
    $res->free();
    if ($row !== false)
    {
    return $row[0];
    }
    else
    {
    return '';
    }
    }
    else
    {
    return false;
    }
    }
    function getOneCached($sql, $cached = 'FILEFIRST')
    {
    $sql = trim($sql . ' LIMIT 1');
    $cachefirst = ($cached == 'FILEFIRST' || ($cached == 'MYSQLFIRST' && $this->platform != 'WINDOWS')) && $this->max_cache_time;
    if (!$cachefirst)
    {
    return $this->getOne($sql, true);
    }
    else
    {
    $result = $this->getSqlCacheData($sql, $cached);
    if (empty($result['storecache']) == true)
    {
    return $result['data'];
    }
    }
    $arr = $this->getOne($sql, true);
    if ($arr !== false && $cachefirst)
    {
    $this->setSqlCacheData($result, $arr);
    }
    return $arr;
    }
    function getAll($sql)
    {
    $res = $this->query($sql);
    if ($res !== false)
    {
    $arr = $res->fetch_all(MYSQLI_ASSOC);
    $res->free();
    return $arr;
    }
    else
    {
    return false;
    }
    }
    function getAllCached($sql, $cached = 'FILEFIRST')
    {
    $cachefirst = ($cached == 'FILEFIRST' || ($cached == 'MYSQLFIRST' && $this->platform != 'WINDOWS')) && $this->max_cache_time;
    if (!$cachefirst)
    {
    return $this->getAll($sql);
    }
    else
    {
    $result = $this->getSqlCacheData($sql, $cached);
    if (empty($result['storecache']) == true)
    {
    return $result['data'];
    }
    }
    $arr = $this->getAll($sql);
    if ($arr !== false && $cachefirst)
    {
    $this->setSqlCacheData($result, $arr);
    }
    return $arr;
    }
    function getRow($sql, $limited = false)
    {
    if ($limited == true)
    {
    $sql = trim($sql . ' LIMIT 1');
    }
    $res = $this->query($sql);
    if ($res !== false)
    {
    $result = $res->fetch_assoc();
    $res->free();
    return $result;
    }
    else
    {
    return false;
    }
    }
    function getRowCached($sql, $cached = 'FILEFIRST')
    {
    $cachefirst = ($cached == 'FILEFIRST' || ($cached == 'MYSQLFIRST' && $this->platform != 'WINDOWS')) && $this->max_cache_time;
    if (!$cachefirst)
    {
    return $this->getRow($sql, true);
    }
    else
    {
    $result = $this->getSqlCacheData($sql, $cached);
    if (empty($result['storecache']) == true)
    {
    return $result['data'];
    }
    }
    $arr = $this->getRow($sql, true);
    if ($arr !== false && $cachefirst)
    {
    $this->setSqlCacheData($result, $arr);
    }
    return $arr;
    }
    function getCol($sql)
    {
    $res = $this->query($sql);
    if ($res !== false)
    {
    $arr = array();
    while ($row = $res->fetch_row())
    {
    $arr[] = $row[0];
    }
    $res->free();
    return $arr;
    }
    else
    {
    return false;
    }
    }
    function getColCached($sql, $cached = 'FILEFIRST')
    {
    $cachefirst = ($cached == 'FILEFIRST' || ($cached == 'MYSQLFIRST' && $this->platform != 'WINDOWS')) && $this->max_cache_time;
    if (!$cachefirst)
    {
    return $this->getCol($sql);
    }
    else
    {
    $result = $this->getSqlCacheData($sql, $cached);
    if (empty($result['storecache']) == true)
    {
    return $result['data'];
    }
    }
    $arr = $this->getCol($sql);
    if ($arr !== false && $cachefirst)
    {
    $this->setSqlCacheData($result, $arr);
    }
    return $arr;
    }
    function autoExecute($table, $field_values, $mode = 'INSERT', $where = '', $querymode = '')
    {
    $field_names = $this->getCol('DESC ' . $table);
    $sql = '';
    if ($mode == 'INSERT')
    {
    $fields = $values = array();
    foreach ($field_names AS $value)
    {
    if (array_key_exists($value, $field_values) == true)
    {
    $fields[] = $value;
    $values[] = "'" . $field_values[$value] . "'";
    }
    }
    if (!empty($fields))
    {
    $sql = 'INSERT INTO ' . $table . ' (' . implode(', ', $fields) . ') VALUES (' . implode(', ', $values) . ')';
    }
    }
    else
    {
    $sets = array();
    foreach ($field_names AS $value)
    {
    if (array_key_exists($value, $field_values) == true)
    {
    $sets[] = $value . " = '" . $field_values[$value] . "'";
    }
    }
    if (!empty($sets))
    {
    $sql = 'UPDATE ' . $table . ' SET ' . implode(', ', $sets) . ' WHERE ' . $where;
    }
    }
    if ($sql)
    {
    return $this->query($sql, $querymode);
    }
    else
    {
    return false;
    }
    }
    function autoReplace($table, $field_values, $update_values, $where = '', $querymode = '')
    {
    $field_descs = $this->getAll('DESC ' . $table);
    $primary_keys = array();
    foreach ($field_descs AS $value)
    {
    $field_names[] = $value['Field'];
    if ($value['Key'] == 'PRI')
    {
    $primary_keys[] = $value['Field'];
    }
    }
    $fields = $values = array();
    foreach ($field_names AS $value)
    {
    if (array_key_exists($value, $field_values) == true)
    {
    $fields[] = $value;
    $values[] = "'" . $field_values[$value] . "'";
    }
    }
    $sets = array();
    foreach ($update_values AS $key => $value)
    {
    if (array_key_exists($key, $field_values) == true)
    {
    if (is_int($value) || is_float($value))
    {
    $sets[] = $key . ' = ' . $key . ' + ' . $value;
    }
    else
    {
    $sets[] = $key . " = '" . $value . "'";
    }
    }
    }
    $sql = '';
    if (empty($primary_keys))
    {
    if (!empty($fields))
    {
    $sql = 'INSERT INTO ' . $table . ' (' . implode(', ', $fields) . ') VALUES (' . implode(', ', $values) . ')';
    }
    }
    else
    {
    if ($this->version() >= '4.1')
    {
    if (!empty($fields))
    {
    $sql = 'INSERT INTO ' . $table . ' (' . implode(', ', $fields) . ') VALUES (' . implode(', ', $values) . ')';
    if (!empty($sets))
    {
    $sql .= 'ON DUPLICATE KEY UPDATE ' . implode(', ', $sets);
    }
    }
    }
    else
    {
    if (empty($where))
    {
    $where = array();
    foreach ($primary_keys AS $value)
    {
    if (is_numeric($value))
    {
    $where[] = $value . ' = ' . $field_values[$value];
    }
    else
    {
    $where[] = $value . " = '" . $field_values[$value] . "'";
    }
    }
    $where = implode(' AND ', $where);
    }
    if ($where && (!empty($sets) || !empty($fields)))
    {
    if (intval($this->getOne("SELECT COUNT(*) FROM $table WHERE $where")) > 0)
    {
    if (!empty($sets))
    {
    $sql = 'UPDATE ' . $table . ' SET ' . implode(', ', $sets) . ' WHERE ' . $where;
    }
    }
    else
    {
    if (!empty($fields))
    {
    $sql = 'REPLACE INTO ' . $table . ' (' . implode(', ', $fields) . ') VALUES (' . implode(', ', $values) . ')';
    }
    }
    }
    }
    }
    if ($sql)
    {
    return $this->query($sql, $querymode);
    }
    else
    {
    return false;
    }
    }
    function setMaxCacheTime($second)
    {
    $this->max_cache_time = $second;
    }
    function getMaxCacheTime()
    {
    return $this->max_cache_time;
    }
    function getSqlCacheData($sql, $cached = '')
    {
    $sql = trim($sql);
    $result = array();
    $result['filename'] = $this->root_path . $this->cache_data_dir . 'sqlcache_' . abs(crc32($this->dbhash . $sql)) . '_' . md5($this->dbhash . $sql) . '.php';
    $data = @file_get_contents($result['filename']);
    if (isset($data{23}))
    {
    $filetime = substr($data, 13, 10);
    $data = substr($data, 23);
    if (($cached == 'FILEFIRST' && time() > $filetime + $this->max_cache_time) || ($cached == 'MYSQLFIRST' && $this->table_lastupdate($this->get_table_name($sql)) > $filetime))
    {
    $result['storecache'] = true;
    }
    else
    {
    $result['data'] = @unserialize($data);
    if ($result['data'] === false)
    {
    $result['storecache'] = true;
    }
    else
    {
    $result['storecache'] = false;
    }
    }
    }
    else
    {
    $result['storecache'] = true;
    }
    return $result;
    }
    function setSqlCacheData($result, $data)
    {
    if ($result['storecache'] === true && $result['filename'])
    {
    @file_put_contents($result['filename'], '' . time() . serialize($data));
    clearstatcache();
    }
    }
    /* 获取 SQL 语句中最后更新的表的时间,有多个表的情况下,返回最新的表的时间 */
    function table_lastupdate($tables)
    {
    if ($this->link_id === NULL)
    {
    $this->connect($this->settings['dbhost'], $this->settings['dbuser'], $this->settings['dbpw'], $this->settings['dbname'], $this->settings['charset'], $this->settings['pconnect']);
    $this->settings = array();
    }
    $lastupdatetime = '0000-00-00 00:00:00';
    $tables = str_replace('`', '', $tables);
    $this->mysql_disable_cache_tables = str_replace('`', '', $this->mysql_disable_cache_tables);
    foreach ($tables AS $table)
    {
    if (in_array($table, $this->mysql_disable_cache_tables) == true)
    {
    $lastupdatetime = '2037-12-31 23:59:59';
    break;
    }
    if (strstr($table, '.') != NULL)
    {
    $tmp = explode('.', $table);
    $sql = 'SHOW TABLE STATUS FROM `' . trim($tmp[0]) . "` LIKE '" . trim($tmp[1]) . "'";
    }
    else
    {
    $sql = "SHOW TABLE STATUS LIKE '" . trim($table) . "'";
    }
    $result = $this->link_id->query($sql);
    $row = $result->fetch_assoc();
    if ($row['Update_time'] > $lastupdatetime)
    {
    $lastupdatetime = $row['Update_time'];
    }
    }
    $lastupdatetime = strtotime($lastupdatetime) - $this->timezone + $this->timeline;
    return $lastupdatetime;
    }
    function get_table_name($query_item)
    {
    $query_item = trim($query_item);
    $table_names = array();
    /* 判断语句中是不是含有 JOIN */
    if (stristr($query_item, ' JOIN ') == '')
    {
    /* 解析一般的 SELECT FROM 语句 */
    if (preg_match('/^SELECT.*?FROM\s*((?:`?\w+`?\s*\.\s*)?`?\w+`?(?:(?:\s*AS)?\s*`?\w+`?)?(?:\s*,\s*(?:`?\w+`?\s*\.\s*)?`?\w+`?(?:(?:\s*AS)?\s*`?\w+`?)?)*)/is', $query_item, $table_names))
    {
    $table_names = preg_replace('/((?:`?\w+`?\s*\.\s*)?`?\w+`?)[^,]*/', '\1', $table_names[1]);
    return preg_split('/\s*,\s*/', $table_names);
    }
    }
    else
    {
    /* 对含有 JOIN 的语句进行解析 */
    if (preg_match('/^SELECT.*?FROM\s*((?:`?\w+`?\s*\.\s*)?`?\w+`?)(?:(?:\s*AS)?\s*`?\w+`?)?.*?JOIN.*$/is', $query_item, $table_names))
    {
    $other_table_names = array();
    preg_match_all('/JOIN\s*((?:`?\w+`?\s*\.\s*)?`?\w+`?)\s*/i', $query_item, $other_table_names);
    return array_merge(array($table_names[1]), $other_table_names[1]);
    }
    }
    return $table_names;
    }
    /* 设置不允许进行缓存的表 */
    function set_disable_cache_tables($tables)
    {
    if (!is_array($tables))
    {
    $tables = explode(',', $tables);
    }
    foreach ($tables AS $table)
    {
    $this->mysql_disable_cache_tables[] = $table;
    }
    array_unique($this->mysql_disable_cache_tables);
    }
    /**
    +----------------------------------------------------------
    * 启动事务
    +----------------------------------------------------------
    * @access public
    +----------------------------------------------------------
    * @return void
    +----------------------------------------------------------
    */
    public function startTrans() {
    //$this->initConnect(true);
    if ( !$this->link_id ) return false;
    //数据rollback 支持
    if ($this->transTimes == 0) {
    $this->link_id->autocommit(FALSE);
    }
    $this->transTimes++;
    return ;
    }
    /**
    +----------------------------------------------------------
    * 用于非自动提交状态下面的查询提交
    +----------------------------------------------------------
    * @access public
    +----------------------------------------------------------
    * @return boolen
    +----------------------------------------------------------
    */
    public function commit()
    {
    if ($this->transTimes > 0) {
    $result = $this->link_id->commit();
    $this->transTimes = 0;
    if(!$result){
    $this->error_message[]['message'] = 'MySQL Query Error';
    $this->error_message[]['sql'] = $sql;
    $this->error_message[]['error'] = $this->link_id->error;
    $this->error_message[]['errno'] = $this->link_id->errno;
    $this->ErrorMsg();
    return false;
    }
    }
    return true;
    }
    /**
    +----------------------------------------------------------
    * 事务回滚
    +----------------------------------------------------------
    * @access public
    +----------------------------------------------------------
    * @return boolen
    +----------------------------------------------------------
    */
    public function rollback()
    {
    if ($this->transTimes > 0) {
    $result = $this->link_id->rollback();
    $this->transTimes = 0;
    if(!$result){
    $this->error_message[]['message'] = 'MySQL Query Error';
    $this->error_message[]['sql'] = $sql;
    $this->error_message[]['error'] = $this->link_id->error;
    $this->error_message[]['errno'] = $this->link_id->errno;
    $this->ErrorMsg();
    return false;
    }
    }
    return true;
    }
    }

    代码当中加了几个方法,用于支持事务。

    (2)更改cls_image.php的gd_version()方法,将这个方法改为静态方法,并且所有调用此方法的地方,都改为静态调用。

    PHP5.6开始,已经不支持不兼容的上下文调用方法,并且产生 E_DEPRECATED 错误(以前是 E_STRICT)。

    更改如下:

    includes/cls_images.php,(gd_version方法体添加static关键字)
    /**
    * 获得服务器上的 GD 版本
    *
    * @access public
    * @return int 可能的值为0,1,2
    */
    static function gd_version()
    {
    ....
    }

    在好几处调用此方法的地方都改为静态调用,比如includes/cls_images.php的好几个方法在调用时使用类对象调用:

    function make_thumb($img, $thumb_width = 0, $thumb_height = 0, $path = '', $bgcolor='')
    {
    $gd = $this->gd_version(); //获取 GD 版本。0 表示没有 GD 库,1 表示 GD 1.x,2 表示 GD 2.x
    。。。
    }

    将其改为:

    function make_thumb($img, $thumb_width = 0, $thumb_height = 0, $path = '', $bgcolor='')
    {
    $gd = self::gd_version(); //获取 GD 版本。0 表示没有 GD 库,1 表示 GD 1.x,2 表示 GD 2.x
    。。。
    }

    还有includes/lib_base.php文件的gd_version函数,改为:

    function gd_version()
    {
    include_once(ROOT_PATH . 'includes/cls_image.php');
    return cls_image::gd_version();
    }

    其他文件代码在调用时,最好改为调用lib_base文件的gd_version的函数。可以搜索更改。

    (3)更改includes/lib_main.php文件的get_dyna_libs函数,该第一行的代码:

    function get_dyna_libs($theme, $tmp)
    {
    $ext = end(explode('.', $tmp));
    。。。
    }

    更改为:

    function get_dyna_libs($theme, $tmp)
    {
    $tmp_ext = explode('.', $tmp);
    $ext = end($tmp_ext);
    }

    end方法的接受的参数必须是引用传递值,这里使用了explode方法返回值,不可以直接套用。

    (4)includes/cls_template.php代码:

    preg_replace方法,自PHP5.5开始 /e修饰符已经废弃,所以要使用preg_replace_callback代替。此代替有多处:

    fetch_str方法:

    fetch_str($source)
    {
    。。。
    return preg_replace_callback("/{([^\}\{\n]*)}/",'self::select_replace', $source);
    }
    //新增的方法
    private function select_replace($matches){
    return $this->select($matches[1]);
    }

    select方法:

    function select($tag)
    {
    。。。
    $pregReplace = preg_replace_callback("/(\'\\$[^,]+)/" , function($matches){
    return stripslashes(trim($matches[1],'\''));
    }, var_export($t, true));
    。。。
    }
    smarty_prefilter_preCompile方法:
    $source = preg_replace_callback($pattern, function($matches){
    return '{include file='.strtolower($matches[1]). '}';
    }, $source);

    (5)将所有类的构造函数,都去除使用类名的构造函数,保留__construct():

    涉及此改动的超多,用搜索一一找到并改动吧……这个就不列举了。

    以上就是ecshop如何修改并支持PHP7的详细内容,更多请关注php中文网其它相关文章!

    声明:本文原创发布php中文网,转载请注明出处,感谢您的尊重!如有疑问,请联系admin@php.cn处理
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