How to realize the function of sending CAPTCHA by php
This article is about how php can send CAPTCHA. The editor thinks it is very practical, so share it with you as a reference and follow the editor to have a look.
Php to achieve the function of sending CAPTCHA: 1, create a good HTML and js files; 2, create a "Msm.php" file, the content is "public function sendmsm () {...}"; 3, send a HTTP request through CURL.
This article operating environment: Windows7 system, PHP7.1 version, DELL G3 computer
How does php achieve the function of sending CAPTCHA?
PHP implements sending SMS verification code:
1. Html code
Mobile phone number: CAPTCHA: get CAPTCHA
II. Js code
/ * send verification code * @ return {[type]} [description] * / function get_svg () {var phone = $("input [name = 'telephone']") .val (); if (! (/ ^ 1 [34578]\ d {9} $/ .test (phone) {layer.msg ("Please enter your cell phone number correctly!") ; return false;} var url = "/ msm/sendmsm/phone/" + phone;$.get (url, function (resdata) {console.log (resdata); layer.msg (resdata.data); if (resdata.type = = 1) {$(".code _ btn"). Attr ('onclick', "return false;"); listion_sendmsm ();}) return false;} function listion_sendmsm () {var time = 61 SetTime = setInterval (function () {if (time $conf ['msm_appkey'],' password' = > $conf ['msm_secretkey'],' msg' = > urlencode ($content), 'phone' = > $telephone,'report' = > true); $result = $this- > curlPost ("http://smssh2.253.com/msg/send/json", $postArr); $json = json_decode ($result); if ($json-> code! = 0) {return false;} else {return true }} / * send HTTP request via CURL * @ param string $url / / request URL * @ param array $postFields / / request parameters * @ return mixed * * / private function curlPost ($url,$postFields) {$postFields = json_encode ($postFields); $ch = curl_init (); curl_setopt ($ch, CURLOPT_URL, $url); curl_setopt ($ch, CURLOPT_HTTPHEADER, array ('Content-Type: application/json) Charset=utf-8' / / json version requires Content-Type: application/json;); curl_setopt ($ch, CURLOPT_IPRESOLVE, CURL_IPRESOLVE_V4); curl_setopt ($ch, CURLOPT_RETURNTRANSFER, 1); curl_setopt ($ch, CURLOPT_POST, 1); curl_setopt ($ch, CURLOPT_POSTFIELDS, $postFields); curl_setopt ($ch, CURLOPT_TIMEOUT,60); curl_setopt ($ch, CURLOPT_SSL_VERIFYHOST, 0); curl_setopt ($ch, CURLOPT_SSL_VERIFYPEER, 0) $ret = curl_exec ($ch); if (false = = $ret) {$result = curl_error ($ch);} else {$rsp = curl_getinfo ($ch, CURLINFO_HTTP_CODE); if (200! = $rsp) {$result = "request status". $rsp. "". Curl_error ($ch);} else {$result = $ret;}} curl_close ($ch); return $result;}
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