How to use PHP to develop personalized settings for WeChat mini programs?

How to use PHP to develop personalized settings for WeChat mini programs?

With the popularity of WeChat mini programs, more and more developers are beginning to pay attention to and use WeChat mini programs. The personalized settings of WeChat mini programs provide developers with customized functions and styles, which can add unique style and experience to the mini programs. This article will introduce how to use PHP to develop personalized settings for WeChat mini programs and provide specific code examples.

1. Obtain basic information of the mini program
   First, we need to apply for and create a mini program on the WeChat public platform, and obtain the basic information of the mini program, including the mini program's AppID and AppSecret.
2. Get the interface call credential (access_token)
   In order to call the interface of the WeChat open platform, we need to first obtain the interface call credential, that is, access_token. Access_token can be obtained through the following code:

function getAccessToken($appid, $appsecret) {
    $url = "https://api.weixin.qq.com/cgi-bin/token?grant_type=client_credential&appid={$appid}&secret={$appsecret}";
    $result = file_get_contents($url);
    $result = json_decode($result, true);

    if (isset($result['access_token'])) {
        return $result['access_token'];
    } else {
        return false;
    }
}

3. Set personalized menu
   Personalized menu can display different menu items according to the user's specific conditions to provide a more personalized user experience. You can set a personalized menu through the following code:

$access_token = getAccessToken($appid, $appsecret);

$data = array(
    'button' => array(
        array(
            'name' => '按钮1',
            'type' => 'click',
            'key' => 'V1001_BUTTON1'
        ),
        array(
            'name' => '按钮2',
            'type' => 'click',
            'key' => 'V1001_BUTTON2'
        ),
        array(
            'name' => '按钮3',
            'type' => 'click',
            'key' => 'V1001_BUTTON3'
        )
    ),
    'matchrule' => array(
        'tag_id' => '100'
    )
);

$url = "https://api.weixin.qq.com/cgi-bin/menu/addconditional?access_token={$access_token}";
$result = httpRequest($url, json_encode($data));

function httpRequest($url, $data = null) {
    $curl = curl_init();
    curl_setopt($curl, CURLOPT_URL, $url);
    curl_setopt($curl, CURLOPT_RETURNTRANSFER, true);
    curl_setopt($curl, CURLOPT_POST, true);
    curl_setopt($curl, CURLOPT_POSTFIELDS, $data);

    $response = curl_exec($curl);
    curl_close($curl);

    return $response;
}

4. Set personalized style
   In addition to the menu, we can also set personalized styles for the mini program, including background color , font color, navigation bar style, etc. You can set the personalized style through the following code:

$access_token = getAccessToken($appid, $appsecret);

$data = array(
    'template_id' => 'TEMPLATE_ID',
    'ext_json' => '{"extAppid":"EXT_APPID","ext":"EXT_DATA"}',
    'user_version' => 'USER_VERSION',
    'user_desc' => 'USER_DESC'
);

$url = "https://api.weixin.qq.com/wxa/commit?access_token={$access_token}";
$result = httpRequest($url, json_encode($data));

Among them, $template_id is the mini program ID, $ext_json is the personalized extension data, $user_version is the version number, $user_desc is the version description.

Summary:
This article introduces how to use PHP to develop personalized settings for WeChat mini programs. First, call the WeChat open platform interface by obtaining access_token. Then, customize the function and style of the mini program by setting a personalized menu and personalized style. I hope this article will be helpful to developers who are using PHP to develop WeChat applets.

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