封装 curl 类

httpClient.php

<?php
function httpClient($url, $data = FALSE, $header = FALSE, $timeout = 30)
{
    if (!strstr($url, 'http://') && !strstr($url, 'https://')) {
        $url = 'http://' . $url;
    }

    $curl = curl_init();

    curl_setopt($curl, CURLOPT_URL, $url);
    if (!empty($header)) {
        curl_setopt($curl, CURLOPT_HEADER, True);
        curl_setopt($curl, CURLOPT_HTTPHEADER, $header);
    } else {
        curl_setopt($curl, CURLOPT_HEADER, False);
    }
    if (!empty($data)) {
        curl_setopt($curl, CURLOPT_POST, True);
        curl_setopt($curl, CURLOPT_POSTFIELDS, $data);
    } else {
        curl_setopt($curl, CURLOPT_POST, False);
    }
    curl_setopt($curl, CURLOPT_RETURNTRANSFER, 1);
    curl_setopt($curl, CURLOPT_TIMEOUT, $timeout);

    //执行
    $result = curl_exec($curl);
    $http_code = curl_getinfo($curl, CURLINFO_HTTP_CODE);

    if ($http_code == 200) {
        return $result;
    }

    if (curl_errno($curl)) {
        echo 'Curl error: ' . curl_error($curl);
        return false;
    }

    curl_close($curl);

    return false;
}