A concise summary of six methods for php to send get and post requests

Method 1: Use file_get_contents to get the content in get:

<?php
$url='https://www.ofstack.com/';
$html = file_get_contents($url);
echo $html;
?>

Method 2: Open url with fopen and get the content with get:

<?php
$fp = fopen($url,  ' r');
stream_get_meta_data($fp);
while(!feof($fp)) {
$result .= fgets($fp, 1024);
}
echo  " url body: $result " ;
fclose($fp);
?>

Method 3: Using file_get_contents function to get url in post mode

<?php
$data = array ( ' foo' =>  ' bar');
$data = http_build_query($data);

$opts = array (
 ' http' => array (
 ' method' =>  ' POST',
 ' header'=>  " Content-type: application/x-www-form-urlencodedrn "  .
 " Content-Length:  "  . strlen($data) .  " rn " ,
 ' content' => $data
)
);

$context = stream_context_create($opts);
$html = file_get_contents( ' http://localhost/e/admin/test.html', false, $context);

echo $html;
?>

Method 4: Open url with fsockopen function, and obtain complete data in get mode, including header and body. fsockopen requires allow_url_fopen option in PHP. ini to be opened

<?php
function get_url ($url,$cookie=false)
{
$url = parse_url($url);
$query = $url[path]. " ? " .$url[query];
echo  " Query: " .$query;
$fp = fsockopen( $url[host], $url[port]?$url[port]:80 , $errno, $errstr, 30);
if (!$fp) {
return false;
} else {
$request =  " GET $query HTTP/1.1rn " ;
$request .=  " Host: $url[host]rn " ;
$request .=  " Connection: Closern " ;
if($cookie) $request.= " Cookie:  $cookien " ;
$request.= " rn " ;
fwrite($fp,$request);
while(!@feof($fp)) {
$result .= @fgets($fp, 1024);
}
fclose($fp);
return $result;
}
}
// Get url Adj. html Part, remove header
function GetUrlHTML($url,$cookie=false)
{
$rowdata = get_url($url,$cookie);
if($rowdata)
{
$body= stristr($rowdata, " rnrn " );
$body=substr($body,4,strlen($body));
return $body;
}

return false;
}
?>

Method 5: Open url with fsockopen function, and obtain complete data with POST mode, including header and body

<?php
function HTTP_Post($URL,$data,$cookie, $referrer= " ")
{

// parsing the given URL
$URL_Info=parse_url($URL);

// Building referrer
if($referrer== " ") // if not given use this script as referrer
$referrer= " 111 " ;

// making string from $data
foreach($data as $key=>$value)
$values[]= " $key= " .urlencode($value);
$data_string=implode( " & " ,$values);

// Find out which port is needed  In fact, in fact, the  if not given use standard (=80)
if(!isset($URL_Info["port"]))
$URL_Info["port"]=80;

// building POST-request:
$request.= " POST  " .$URL_Info["path"]. "  HTTP/1.1n " ;
$request.= " Host:  " .$URL_Info["host"]. " n " ;
$request.= " Referer: $referern " ;
$request.= " Content-type: application/x-www-form-urlencodedn " ;
$request.= " Content-length:  " .strlen($data_string). " n " ;
$request.= " Connection: closen " ;

$request.= " Cookie:  $cookien " ;

$request.= " n " ;
$request.=$data_string. " n " ;

$fp = fsockopen($URL_Info["host"],$URL_Info["port"]);
fputs($fp, $request);
while(!feof($fp)) {
$result .= fgets($fp, 1024);
}
fclose($fp);

return $result;
}

?>

Method 6: Use the curl library. Before using the curl library, you may need to check whether the curl extension has been turned on under 1 php. ini

<?php
$ch = curl_init();
$timeout = 5;
curl_setopt ($ch, CURLOPT_URL,  ' https://www.ofstack.com/');
curl_setopt ($ch, CURLOPT_RETURNTRANSFER, 1);
curl_setopt ($ch, CURLOPT_CONNECTTIMEOUT, $timeout);
$file_contents = curl_exec($ch);
curl_close($ch);

echo $file_contents;
?>