/** * 邹颢 * zouhao619@gmail.com *//** * 获取当前毫秒 * @return string */function get_millisecond() { $t = explode ( , microtime () ); $t = $t [1] . ($t [0] * 1000); $t2 = explode ( ., $t ); return $t2 [0];}/** * curl模拟http/https post请求 * @param string $url 请求网址 * @param array $data 请求参数 * @return string 网址内容 */function curl_post($url,$data=array()){ $ch = curl_init($url); curl_setopt($ch, curlopt_returntransfer,true) ; // 获取数据返回 curl_setopt($ch, curlopt_post,true) ; // 启用时会发送一个常规的post请求，类型为：application/x-www-form-urlencoded，就像表单提交的一样。 curl_setopt($ch, curlopt_postfields,$data); // 在http中的“post”操作。如果要传送一个文件，需要一个@开头的文件名 if(substr($url,0,5)=='https'){ curl_setopt($ch, curlopt_ssl_verifypeer, false); } $content=curl_exec($ch); curl_close($ch) ; return $content;}/** * curl模拟http get请求 * @param string $url 请求网址 * @param string|array $data 请求参数 * @return string 网址内容 */function curl_get($url,$data=array()){ $url=rtrim($url,'/'); if(!empty($data)){ if(is_array($data)){ $first=true; foreach($data as $k=>$v){ if($first){ $url.='?'; $first=false; }else{ $url.='&'; } $url.={$k}={$v}; } }else{ $data=ltrim('?',$data); $url.='?'.$data; } } $ch = curl_init($url); curl_setopt($ch,curlopt_header,false); curl_setopt($ch, curlopt_returntransfer, true) ; // 获取数据返回 if(substr($url,0,5)=='https'){ curl_setopt($ch, curlopt_ssl_verifypeer, false); } $content = curl_exec($ch); curl_close($ch); return $content;}/** * 二维数组按键值排序 * @param array $arr 二维数组 * @param string $keys 键值 * @param string $type 升序:asc,降序:desc(else) * @return array */function array_sort($arr,$keys,$type='asc'){ $keysvalue = $new_array = array(); foreach ($arr as $k=>$v){ $keysvalue[$k] = $v[$keys]; } if($type == 'asc'){ asort($keysvalue); }else{ arsort($keysvalue); } reset($keysvalue); foreach ($keysvalue as $k=>$v){ $new_array[$k] = $arr[$k]; } return $new_array;}/** * 获取客户端ip * @param number $type * @return string */function get_client_ip($type = 0) { $type = $type ? 1 : 0; static $ip = null; if ($ip !== null) return $ip[$type]; if (isset($_server['http_x_forwarded_for'])) { $arr = explode(',', $_server['http_x_forwarded_for']); $pos = array_search('unknown',$arr); if(false !== $pos) unset($arr[$pos]); $ip = trim($arr[0]); }elseif (isset($_server['http_client_ip'])) { $ip = $_server['http_client_ip']; }elseif (isset($_server['remote_addr'])) { $ip = $_server['remote_addr']; } // ip地址合法验证 $long = sprintf(%u,ip2long($ip)); $ip = $long ? array($ip, $long) : array('0.0.0.0', 0); return $ip[$type];}/** * 将字符串转换为驼峰式命名 * * @param string $str * @param boolean $big * true大驼峰式 false小驼峰式 * @return string */function hump_type($str, $big = false) { $str = strtolower ( $str ); $big and ucfirst ( $str ); $str = preg_replace ( /_([a-za-z])/e, strtoupper('\\1'), $str ); return $str;}/** * 遍历删除文件夹 * * @param string $path * 文件夹地址 * @return boolean */function delete_files($path) { if (is_file ( $path )) { return unlink ( $path ); } if (is_dir ( $path )) { $handle = opendir ( $path ); if ($handle != false) { while ( false !== ($file = readdir ( $handle )) ) { if (in_array ( $file, array ( '.', '..' ) )) continue; $file = $path . '/' . $file; if (is_dir ( $file )) { delete_files ( $file ); } else if (is_file ( $file )) { if (unlink ( $file ) == false) return false; } } closedir ( $handle ); } return true; }}/** * 截取字符串(可截取utf8的) * * @param string $str * @param int $start * @param int $length * @param string $trim * @param string $charset * @return string */function sub($str, $start, $length, $trim = ..., $charset = 'utf-8') { $length+=2; if (function_exists ( 'mb_get_info' )) { $ilength = mb_strlen ( $str, $charset ); $str = mb_substr ( $str, $start, $length, $charset ); if($length\n(\s+)/m', '] => ', $output ); $output = '' . htmlspecialchars ( $output, ent_quotes ) . '
'; } echo ($output);}/** * 从左边查询子串,找到则删除子串,只删除一次 * * @param string $str * @param string $find * @return string */function substr_left_once($str, $find) { $start = strpos ( $str, $find ); if (is_bool ( $start )) { return $str; } else { return substr ( $str, $start + strlen ( $find ), strlen ( $str ) ); }}/** * 从右边查询子串,找到则删除子串,只删除一次 * * @param string $str * @param string $find * @return string */function substr_right_once($str, $find) { $end = strrpos ( $str, $find ); if (is_bool ( $end )) { return $str; } else { return substr ( $str, 0, $end ); }}