cURL PHP GET POST

GET.php

<?php
function GET($url, $user_agent = 'CURL', $proxy_type = CURLPROXY_SOCKS5_HOSTNAME, $proxy = null, $header = null, $timeout = 10)
{
    $ch = curl_init();
    curl_setopt($ch, CURLOPT_URL, $url);
    curl_setopt($ch, CURLOPT_USERAGENT, $user_agent);
    $header != null && curl_setopt($ch, CURLOPT_HTTPHEADER, $header);
    $proxy != null && curl_setopt($ch, CURLOPT_PROXYTYPE, $proxy_type);
    $proxy != null && curl_setopt($ch, CURLOPT_PROXY, $proxy);
    curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
    curl_setopt($ch, CURLOPT_CONNECTTIMEOUT, $timeout);
    curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, 0);
    curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, 2);
    curl_setopt($ch, CURLOPT_HEADER, false);
    $file_contents = curl_exec($ch);
    curl_close($ch);
    return $file_contents;
}

POST.php

<?php
function POST($url, $post_data = null, $user_agent = 'CURL', $proxy_type = CURLPROXY_SOCKS5_HOSTNAME, $proxy = null, $header = null, $timeout = 10)
{
    $ch = curl_init();
    curl_setopt($ch, CURLOPT_URL, $url);
    curl_setopt($ch, CURLOPT_POST, 1);
    $post_data != null && curl_setopt($ch, CURLOPT_POSTFIELDS, $post_data);
    $user_agent != null && curl_setopt($ch, CURLOPT_USERAGENT, $user_agent);
    $header != null && curl_setopt($ch, CURLOPT_HTTPHEADER, $header);
    $proxy != null && curl_setopt($ch, CURLOPT_PROXYTYPE, $proxy_type);
    $proxy != null && curl_setopt($ch, CURLOPT_PROXY, $proxy);
    curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
    curl_setopt($ch, CURLOPT_CONNECTTIMEOUT, $timeout);
    curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, 0);
    curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, 2);
    curl_setopt($ch, CURLOPT_HEADER, false);
    $file_contents = curl_exec($ch);
    curl_close($ch);
    return $file_contents;
}