get post in php

1<form method="post" action="<?php echo $_SERVER['PHP_SELF'];?>">
2  Name: <input type="text" name="fname">
3  <input type="submit">
4</form>
5<?php
6if ($_SERVER["REQUEST_METHOD"] == "POST") {
7  // do logic
8  $name = $_POST['fname'];
9}
10?>

1$response = httpPost("http://mywebsite.com/update.php",
2	array("first_name"=>"Bob","last_name"=>"Dillon")
3);
4
5//using php curl (sudo apt-get install php-curl) 
6function httpPost($url, $data){
7    $curl = curl_init($url);
8    curl_setopt($curl, CURLOPT_POST, true);
9    curl_setopt($curl, CURLOPT_POSTFIELDS, http_build_query($data));
10    curl_setopt($curl, CURLOPT_RETURNTRANSFER, true);
11    $response = curl_exec($curl);
12    curl_close($curl);
13    return $response;
14}

1$data = json_decode(file_get_contents('php://input'), true);
2
3// you have all in an array

1<form action="/" method="get">
2  <input type="text" name="name">
3  <br>
4  <input type="submit">
5</form>
6<?php
7  echo $_GET["query"];
8?>

1<?php
2var = $_POST['var'];
3echo var;
4  
5// YOUR METHOD IN HTML MUST BE IN POST
6
7<form method="post">
8	<input type="text" name="var">  
9</form>