小程序推广二维码生成

小程序推广二维码生成<?php $appid = '***************'; $secret ='********************************'; $url = "https://api.weixin.qq.com/cgi-bin/token?grant_type=client_credential&appid={$appid}&secret={$secret}"; $curl = curl_init(); curl_setopt($curl, CURLOPT_URL, $url); curl_setopt($curl, CURLOPT_SSL_VERIFYPEER, false); curl_setopt($curl, CURLOPT_RETURNTRANSFER, 1); $token = curl_exec($curl); $err = curl_error($curl); curl_close($curl); header('content-type:image/gif'); $openid = "*********************"; $data['scene'] = "uid=" . $a; $data['page'] = "pages/index/index"; $data = json_encode($data); $access = json_decode($token,true); $access_token= $access['access_token']; $url = "https://api.weixin.qq.com/wxa/getwxacodeunlimit?access_token=" . $access_token; $ch = curl_init(); curl_setopt($ch, CURLOPT_URL, $url); curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false); curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1); //没有这个会自动输出，不用print_r();也会在后面多个1 curl_setopt($ch, CURLOPT_POST, 1); curl_setopt($ch, CURLOPT_POSTFIELDS, $data); $output = curl_exec($ch); curl_close($ch); $out = json_decode($output); $newFilePath=$openid.'.jpg'; $newFile = fopen($newFilePath,"w"); fwrite($newFile,$output); fclose($newFile);