how to protect phone number

PHP format Phone number method, PHP formatted phone number The example in this article describes how PHP formats phone numbers. Share to everyone for your reference. The specific analysis is as follows: This function is only available for us phones, China

The four digits in the middle of the mobile phone number processed by php are asterisks *****, and the mobile phone number asterisks In the scenario of displaying the user list, the mobile phone number must be processed when the

Js phone number regular verification-landline and mobile phone number, js landline 1. The latest phone number segment: Mobile: 134 (except 1349) 135 136 137 138 147150 151 152 157 158 159 182 183 184 187 188 China Unicom: 130 131

Regular Expression for user name, password, mobile phone number, ID card (recommended), regular expression for mobile phone number I will not talk much about it. I will introduce you to using regular expressions to verify your username, password, mobile phone

1. As shown in the following figure we open "micro-mail" on the phone and click "I" To find "settings" and then click "Account and Security" to enter, as shown in the following figure. 2. Then we open the micro-letter "account and security" we will see a "phone number" We click on it can change the number of mob

Hide sensitive information such as mobile phone number and email address, and hide mobile phone number and email addressHiding sensitive information such as mobile phone numbers and mailboxes During project creation, some sensitive information on the page needs to be hidden

Question:Sometimes people may wonder why ABC... is on the keyboard of the phone, especially before the birth of the mobile phone. In fact, in addition to sending text messages, these letters are also useful in making phone numbers easy to remember. This is a popular feature in the United States. For example, you can order a pizza from GINO by dialing 310-GINO, GI

() *1000000); Gets the current time of one out of 10,000 seconds value to execute when the random number of one out of 10,000 seconds seeds$randval =rand ();$randval = $p; 5-digit numberImagestring ($im, 8,10,2, $randval, $text _color); Draw a cross-stringAdding interference factorsfor ($i =0; $i //{$randcolor =imagecolorallocate ($im, Rand (0,255), Rand (0,255), Rand (0,255));Imagesetpixel ($im, Rand ()%100,rand ()%30, $randcolor); Point//}Imagestri

Use javascript to determine the phone number and javascript phone number. When registering many websites, we need to fill in the phone number. I wanted to confuse it, but it still didn't work. I 've always been prompted that it's

12306 mobile phone number how to modify Enter the computer and click the "Buy Tickets" button in the 12306 interface, as shown in the following figure. Since to modify the mobile phone number, must be logged in, we click on the interface of the "Login" button. As shown in the following figure. In th

Android uses an http request to query the mobile phone number of the specified location and android phone number Local Data Source Http://webservice.webxml.com.cn/WebServices/MobileCodeWS.asmx Webxml websites also support other request methods, such as SOAP. Simple InterfaceBelow is MainActivity. java Package com. sph

function Checktel () {/*Verify the phone number verification rule: Area code + number, area code starts with 0, 3-bit or 4-digit number consists of 7-bit or 8-digit number between the area code and the number can be no connector,