PHP中的cURL请求及示例学习笔记

    $curl = curl_init();
    curl_setopt($curl, CURLOPT_URL, 'http://www.111cn.net');

    $curl = curl_init('http://www.111cn.net');

    $curl = curl_init();
    curl_setopt_array($curl, array(
    CURLOPT_RETURNTRANSFER => 1,
    CURLOPT_URL => 'http://www.111cn.net'
    ));

    $result = curl_exec($curl);

    // Get cURL resource
    $curl = curl_init();
    // Set some options - we are passing in a useragent too here
    curl_setopt_array($curl, array(
    CURLOPT_RETURNTRANSFER => 1,
    CURLOPT_URL => 'http://testcURL.com/?item1=value&item2=value2',
    CURLOPT_USERAGENT => 'Codular Sample cURL Request'
    ));
    // Send the request & save response to $resp
    $resp = curl_exec($curl);
    // Close request to clear up some resources
    curl_close($curl);

    // Get cURL resource
    $curl = curl_init();
    // Set some options - we are passing in a useragent too here
    curl_setopt_array($curl, array(
    CURLOPT_RETURNTRANSFER => 1,
    CURLOPT_URL => 'http://www.111cn.net',
    CURLOPT_USERAGENT => 'Codular Sample cURL Request',
    CURLOPT_POST => 1,
    CURLOPT_POSTFIELDS => array(
    item1 => 'value',
    item2 => 'value2'
    )
    ));
    // Send the request & save response to $resp
    $resp = curl_exec($curl);
    // Close request to clear up some resources
    curl_close($curl);

function _https_curl_post($url, $vars) 
{ 
    foreach($vars as $key=>$value)
    {
        $fields_string .= $key.'='.$value.'&' ;
    } 
    $fields_string = substr($fields_string,0,(strlen($fields_string)-1)) ;
    $ch = curl_init();  
    curl_setopt($ch, CURLOPT_URL,$url); 
    curl_setopt($ch, CURLOPT_SSL_VERIFYHOST,  2);
    curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, FALSE);  // this line makes it work under https
    curl_setopt($ch, CURLOPT_RETURNTRANSFER,1);
    curl_setopt($ch, CURLOPT_POST, count($vars) );
    curl_setopt($ch, CURLOPT_POSTFIELDS, $fields_string);     
    $data = curl_exec($ch);        
    curl_close($ch);  
       
    if ($data)
    {
        return $data;
    }
    else
    {
        return false;
    }
}

    if(!curl_exec($curl)){
    die('Error: "' . curl_error($curl) . '" - Code: ' . curl_errno($curl));
    }

<?php

define('NO_FILE', '不存在上传文件');
define('NOT_ALLOW_EXT', '文件类型不在允许范围内');
define('NOT_ALLOW_SIZE', '文件大小不在允许范围内');
define('HAS_THE_FILE', '该文件已经存在');
define('UPLOAD_FAILED', '上传失败');
define('UPLOAD_SUCCESS', '上传成功');

class file_uploader
{

    var $_file;
    var $_filesize;
    var $_fileext;
    var $_filedir;
    var $_filename;
    var $_filetmpname;
   
    var $allowsize;
    var $allowext;
   
    var $neednewname;
    var $newname;
    var $syslang;
   
    var $report;
   
    function ready($filedir = '', $file, $allowsize = '', $allowext = '', $neednewname = false, $report = 0){
        $this->_filedir = is_dir($filedir) ? $filedir : '';
        if(empty($file) || !isset($file['size']) || $file['size'] == 0) $this->error(NO_FILE);
        $this->_filesize = $file['size'];
        $this->_filename = $file['name'];
        $this->_filetmpname = $file['tmp_name'];
       
        $this->allowsize = $allowsize;
        $this->allowext = $allowext;
       
        $this->neednewname = ($neednewname) ? true : false;
        $this->newname = '';
       
        $this->report = $report;
    }
   
    function do_upload(){
        if(!is_uploaded_file($this->_filetmpname)) $this->error(NO_FILE);
        if($this->chk_ext()){
            $this->error(NOT_ALLOW_EXT);
            return '';
        }
        if($this->chk_size()){
            $this->error(NOT_ALLOW_SIZE);
            return '';
        }
        if($this->neednewname) $this->newname = $this->generate_name().".".$this->get_fileext();
        if($this->chk_hasfile()){
            $this->error(HAS_THE_FILE);
            return '';
        }
        $filename = empty($this->newname) ? @iconv('utf-8','gb2312',$this->_filename) : $this->newname;
        @chmod($this->_filedir.$filename, 0777);
        if(move_uploaded_file($this->_filetmpname, $this->_filedir.$filename)){
            return $this->result();
        }else{
            $this->error(UPLOAD_FAILED);
            return '';
        }
    }
   
    function chk_ext(){
        if(empty($this->allowext) || in_array($this->get_fileext(), explode("|",$this->allowext))) return false;
        return true;
    }
   
    function chk_size(){
        if(empty($this->allowsize) || get_filesize <= $this->allowsize*1024*1024) return false;
        return true;
    }
   
    function get_filesize(){
        return $this->_filesize;
    }
   
    function get_fileext(){
        return substr($this->_filename,strrpos($this->_filename,".")+1);
    }
   
    function generate_name(){
        return substr(md5(time()),26);
    }
   
    function chk_hasfile(){
        return is_file($this->_filedir.$this->_filename);
    }
   
    function error($tip){
        echo $tip;
    }
   
    function result(){
        if($this->report){
            $filename = empty($this->newname) ? $this->_filename : $this->newname;
            $arr = array('filename' => $filename, 'filesize' => $this->_filesize, 'tip' => UPLOAD_SUCCESS);
            return $arr;
        }else{
            return UPLOAD_SUCCESS;
        }
    }
}

/***使用方法与参数说明***/
/***
    第一个参数$dir 为上传文件存放的路径
    第二个参数为$_FILES 为你那个上传文件变量
    第三个参数允许文件大小 单位为MB
    第四个参数允许的文件类型 格式为jpg|png|gif
    第五个参数是否需要生成新的文件名
    第六个参数为返回的提示格式 0为直接提示上传正确 1则返回一个数组array('filename' => $filename, 'filesize' => $this->_filesize, 'tip' => UPLOAD_SUCCESS);
***/

//require("类文件");
//$u = new file_uploader;
//$u->ready($dir, $_FILES['upload_file'], false, false, true, 0);
//echo $u->do_upload();

?>

    $dir = 'upload/';
    require("upload_class.php");
    $u = new file_uploader;
    $u->ready($dir, $_FILES['upload_file'], false, false, true, 0);
    echo $u->do_upload();

$name = "post_url";
$value =  "";
setcookie($name, $value,  time()+60*60*3, "/" );

delete_cookie

173 PHP_FUNCTION(setcookie)
174 {
175     char *name, *value = NULL, *path = NULL, *domain = NULL;
176     long expires = 0;
177     zend_bool secure = 0, httponly = 0;
178     int name_len, value_len = 0, path_len = 0, domain_len = 0;
179
180     if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "s|slssbb", &name,
181                               &name_len, &value, &value_len, &expires, &path,
182                               &path_len, &domain, &domain_len, &secure, &httponly) ==

FAILURE) {
183         return;
184     }
185
186     if (php_setcookie(name, name_len, value, value_len, expires, path, path_len, domain,

domain_len, secure, 1, httponly TSRMLS_CC) == SUCCESS) {
187         RETVAL_TRUE;
188     } else {
189         RETVAL_FALSE;
190     }  
191 }      
 
 
 
 76 PHPAPI int php_setcookie(char *name, int name_len, char *value, int value_len, time_t

expires, char *path, int path_len, char *domain, int domain_len, int secure, int url_encode,

int httponly TSRMLS_DC)
 77 {
 78     char *cookie, *encoded_value = NULL;
 79     int len=sizeof("Set-Cookie: ");
 80     char *dt;
 81     sapi_header_line ctr = {0};
 82     int result;
 83
 84     if (name && strpbrk(name, "=,; trn1314") != NULL) {   /* man isspace for 13

and 14 */
 85         zend_error( E_WARNING, "Cookie names cannot contain any of the following '=,;

\t\r\n\013\014'" );
 86         return FAILURE;
 87     }
 88
 89     if (!url_encode && value && strpbrk(value, ",; trn1314") != NULL) { /* man

isspace for 13 and 14 */
 90         zend_error( E_WARNING, "Cookie values cannot contain any of the following ',;

\t\r\n\013\014'" );
 91         return FAILURE;
 92     }
 93
 94     len += name_len;
 95     if (value && url_encode) {
 96         int encoded_value_len;
 97
 98         encoded_value = php_url_encode(value, value_len, &encoded_value_len);
 99         len += encoded_value_len;
100     } else if ( value ) {
101         encoded_value = estrdup(value);
102         len += value_len;
103     }
104     if (path) {
105         len += path_len;
106     }
107     if (domain) {
108         len += domain_len;
109     }
110
111     cookie = emalloc(len + 100);
112
113     if (value && value_len == 0) {
114         /*
115          * MSIE doesn't delete a cookie when you set it to a null value
116          * so in order to force cookies to be deleted, even on MSIE, we
117          * pick an expiry date in the past
118          */
119         dt = php_format_date("D, d-M-Y H:i:s T", sizeof("D, d-M-Y H:i:s T")-1, 1, 0

TSRMLS_CC);
120         snprintf(cookie, len + 100, "Set-Cookie: %s=deleted; expires=%s", name, dt);
121         efree(dt);
122     } else {
123         snprintf(cookie, len + 100, "Set-Cookie: %s=%s", name, value ? encoded_value :

"");
124         if (expires > 0) {
125             const char *p;
126             strlcat(cookie, "; expires=", len + 100);
127             dt = php_format_date("D, d-M-Y H:i:s T", sizeof("D, d-M-Y H:i:s T")-1,

expires, 0 TSRMLS_CC);
128             /* check to make sure that the year does not exceed 4 digits in length */
129             p = zend_memrchr(dt, '-', strlen(dt));
130             if (!p || *(p + 5) != ' ') {