PHP hidden IP address after two digits and replace the phone number in the middle number of * number method

Sometimes we need in the PHP code, hide the IP address of the next two bits, and replace the phone number in the middle of the number as * number, to keep the relevant data, this article for you to introduce several methods of implementation, interested friends, may wish to refer to the next. 1. The method of hiding the two digits after the IP. 2, PHP is the format of the IP address, hidden after a bit. 3, PHP replacement phone number in the middle number of * number 4, PHP implementation of the hidden IP address the last paragraph or the last two paragraphs of the method "; Echo preg_replace ($reg 2," $1.$2.*.* ", $ip);//above output is:127.0.*.*?>

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