php curl request

<?php

$post = [
    'username' => 'user1',
    'password' => 'passuser1',
    'gender'   => 1,
];
$ch = curl_init();
curl_setopt($ch, CURLOPT_URL, 'http://www.domain.com');
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
curl_setopt($ch, CURLOPT_POSTFIELDS, http_build_query($post));
$response = curl_exec($ch);
var_export($response);

// set post fields
$post = [
    'username' => 'user1',
    'password' => 'passuser1',
    'gender'   => 1,
];

$ch = curl_init('http://www.example.com');
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
curl_setopt($ch, CURLOPT_POSTFIELDS, $post);

// execute!
$response = curl_exec($ch);

// close the connection, release resources used
curl_close($ch);

// do anything you want with your response
var_dump($response);

$ch = curl_init();
$curlConfig = array(
    CURLOPT_URL            => "http://www.example.com/yourscript.php",
    CURLOPT_POST           => true,
    CURLOPT_RETURNTRANSFER => true,
    CURLOPT_POSTFIELDS     => array(
        'field1' => 'some date',
        'field2' => 'some other data',
    )
);
curl_setopt_array($ch, $curlConfig);
$result = curl_exec($ch);
curl_close($ch);

// result sent by the remote server is in $result

function &web_curl_http($url) 
{  
   $c = curl_init();
   curl_setopt( $c , CURLOPT_URL , $url);
   curl_setopt( $c , CURLOPT_USERAGENT, "Mozilla/5.0 (Linux Centos 7;) Chrome/74.0.3729.169 Safari/537.36");
   curl_setopt( $c , CURLOPT_RETURNTRANSFER, true);
   curl_setopt( $c , CURLOPT_SSL_VERIFYPEER, false);
   curl_setopt( $c , CURLOPT_SSL_VERIFYHOST, false);
   curl_setopt( $c , CURLOPT_TIMEOUT, 10000); // 10 sec
   $data = curl_exec($c);
   curl_close($c);
   return $data;
}