<?php
/**
 * Created by PhpStorm.
 * User: FZS
 * Time: 2019/3/15 17:50
 */
//----------------------------------
// 小明API 图片PS 调用类
//----------------------------------
class freeApi{
    private $apiUrl = 'http://api.guaqb.cn/v1/ps/';
    /**
     * url拼接
     * @return string
     */
    private function handleUrl($params){
        $o = "";
        foreach ( $params as $k => $v )
        {
            $o.= "$k=" . urlencode( $v ). "&" ;
        }
        $params = substr($o,0,-1);
        return $params;
    }
    /**
     * 获取结果
     * @return array
     */
    public function getResult(){
        $params['picurl'] = 'https://box.kancloud.cn/f8588880750b8419ce23fc26a69f7acf_1083x599.png';
        $params['text'] = 'www.free-api.com';
        $params['fontSize'] = '10';
        $params['circleSize'] = '10';
        $params['left'] = '10';
        $params['top'] = '10';
        $params['key'] = 'yourkey';
        $params['secret'] = 'yoursecret';
        return $this->freeApiCurl($this->apiUrl.'?'.$this->handleUrl($params));
    }
    /**
     * 请求接口返回内容
     * @param  string $url [请求的URL地址]
     * @param  string $params [请求的参数]
     * @param  int $ipost [是否采用POST形式]
     * @return  string
     */
    public function freeApiCurl($url,$params=false,$ispost=0){
        $ch = curl_init();
        curl_setopt( $ch, CURLOPT_HTTP_VERSION , CURL_HTTP_VERSION_1_1 );
        curl_setopt( $ch, CURLOPT_HTTP_VERSION , CURL_HTTP_VERSION_1_1 );
        curl_setopt( $ch, CURLOPT_USERAGENT , 'free-api' );
        curl_setopt( $ch, CURLOPT_CONNECTTIMEOUT , 60 );
        curl_setopt( $ch, CURLOPT_TIMEOUT , 60);
        curl_setopt( $ch, CURLOPT_RETURNTRANSFER , true );
        if( $ispost )
        {
            curl_setopt( $ch , CURLOPT_POST , true );
            curl_setopt( $ch , CURLOPT_POSTFIELDS , $params );
            curl_setopt( $ch , CURLOPT_URL , $url );
        }
        else
        {
            if($params){
                curl_setopt( $ch , CURLOPT_URL , $url.'?'.$params );
            }else{
                curl_setopt( $ch , CURLOPT_URL , $url);
            }
        }
        $response = curl_exec( $ch );
        if ($response === FALSE) {
            return false;
        }
        curl_close( $ch );
        return $response;
    }
}
$api = new freeApi();
var_dump($api->getResult());