內容簡介
這是一個 Contact Form 7 的外掛，新增了一個輸入欄位，可以用於輸入和驗證國際電話號碼。此外掛會加入一個帶有電話號碼前綴的旗幟下拉式選單，偵測使用者所在國家，顯示相對應的預設文字、提供格式化和驗證方法。
使用方法
安裝和啟用外掛後，一個新的輸入欄位類型將會出現在 Contact Form 7 表單中。要將其新增到您的表單中，您可以點擊表單編輯器上方的「國際電話」按鈕，或是添加類似這樣的短碼：[intl_tel* {your-phone}]，取代 {your-phone} 為您所需的欄位名稱。可選擇性地，您可以使用星號（*）使欄位成為必填欄位。
要在郵件中顯示欄位內容，請使用此標籤：[{your-phone}]。顯示出來的結果將類似 +12025550109。
郵件中的額外資訊
您還可以從電話號碼中恢復特定的部分：所屬國家的名稱、國家代碼、沒有國碼的號碼。使用這些標籤：
[{your-phone}-cf7it-country-name]：印出所屬的國家名稱。例如：美國
[{your-phone}-cf7it-country-code]：印出電話號碼所屬國家的代碼。例如：1
[{your-phone}-cf7it-country-iso2]：印出國家的 ISO 代碼。例如：us
[{your-phone}-cf7it-national]：印出沒有國際區碼的電話號碼。例如：2025550109
第三方軟體
這個外掛使用了 International Telephone Input JavaScript 函式庫和 eXTReMe-IP-LOOKUP.com API。
外掛標籤
開發者團隊
② 後台搜尋「International Telephone Input for Contact Form 7」→ 直接安裝（推薦）
原文外掛簡介
Addon for Contact Form 7 that creates a new type of input for entering and validating international telephone numbers. It adds a flag dropdown with prefix of the telephone number, detects the user’s country, displays a relevant placeholder and provides formatting/validation methods.
How to use
Once you have installed and activated your plugin, a new type of input field will be available in your Contact Form 7 forms. In order to add it to your form, you can either click on the “International Telephone” button above your form editor, or add the shortcode like: [intl_tel* {your-phone}]. Replace {your-phone} by the name do you want to give the field. Optionally, you can use the asterisk (*) to makes the field required.
To display the field’s info on your email, use this tag: [{your-phone}]. It will display something like +12025550109
Aditional info in your email
You can also recover specific parts of the telephone number: the name of the country it refers to, the country code, the number without the country code. Use this tags:
[{your-phone}-cf7it-country-name]: It prints the name of the country. For the example above: United States
[{your-phone}-cf7it-country-code]: It prints the country code of the phone number. For the example above: 1
[{your-phone}-cf7it-country-iso2]: It prints the country iso code. For the example above: us
[{your-phone}-cf7it-national]: It prints the phone number without international prefix. For the example above: 2025550109
Third-party software
This plugin uses the International Telephone Input JavaScript library and the eXTReMe-IP-LOOKUP.com API.
