use of $_post in php code example

Example 1: php get

#Get Method and Post Data

Send data through get and Post

$_GET Example
============
<?php
if(isset($_GET['name'])){
echo htmlentities($_GET['name']);
//or
//$name = htmlentities($_GET['name']);
//echo $name
print_r($_GET);
}
?>
<!DOCTYPE html>
<html>
<head>
    <title>Get post website</title>
    </head>
<body>
    <form method="GET action=get_post.php">
        <div>
            <label>Name</label><br>
            <input type="text" name ="name">
        </div>
        <div>
            <label>Email</label><br>
            <input type="text" name ="email">
        </div>
        <input type="submit" value ="Submit">
    </form>
</body>
</html>
================
$_POST Example
================
<?php
if(isset($_GET['name'])){
//echo htmlentities($_GET['name']);
//or
//$name = htmlentities($_GET['name']);
//echo $name
//print_r($_GET);
}

if(isset($_POST['name'])){
    $name = htmlentities($_POST['name']);
    echo $name;
    print_r($_POST);
}
?>
<!DOCTYPE html>
<html>
<head>
    <title>Get post website</title>
    </head>
<body>
    <form method="POST" action="get_post.php">
        <div>
            <label>Name</label><br>
            <input type="text" name ="name">
        </div>
        <div>
            <label>Email</label><br>
            <input type="text" name ="email">
        </div>
        <input type="submit" value ="Submit">
    </form>
</body>
</html>
================
$_REQUEST Example  //another uncommon way to do it. This is not 
  //normally done this way
================
<?php
if(isset($_REQUEST['name'])){
    $name = htmlentities($_REQUEST['name']);
    echo $name;
    print_r($_REQUEST);
}

?>
<!DOCTYPE html>
<html>
<head>
    <title>Get post website</title>
    </head>
<body>
    <form method="POST" action="get_post.php">
        <div>
            <label>Name</label><br>
            <input type="text" name ="name">
        </div>
        <div>
            <label>Email</label><br>
            <input type="text" name ="email">
        </div>
        <input type="submit" value ="Submit">
    </form>
</body>
</html>
================
$_SERVER['QUERY_STRING']  Example
================
<?php
echo $_SERVER['QUERY_STRING'];


?>
<!DOCTYPE html>
<html>
<head>
    <title>Get post website</title>
    </head>
<body>
    <form method="POST" action="get_post.php">
        <div>
            <label>Name</label><br>
            <input type="text" name ="name">
        </div>
        <div>
            <label>Email</label><br>
            <input type="text" name ="email">
        </div>
        <input type="submit" value ="Submit">
    </form>
</body>
</html>

Example 2: post request php

$response = httpPost("http://mywebsite.com/update.php",
	array("first_name"=>"Bob","last_name"=>"Dillon")
);

//using php curl (sudo apt-get install php-curl) 
function httpPost($url, $data){
    $curl = curl_init($url);
    curl_setopt($curl, CURLOPT_POST, true);
    curl_setopt($curl, CURLOPT_POSTFIELDS, http_build_query($data));
    curl_setopt($curl, CURLOPT_RETURNTRANSFER, true);
    $response = curl_exec($curl);
    curl_close($curl);
    return $response;
}

Tags:

Javascript Example

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