A filter function

Source: Internet
Author: User
: This article mainly introduces a filter function. if you are interested in the PHP Tutorial, you can refer to it. Define an array

Contains all invalid strings

Write a function

Return false if the input string contains an invalid string

Function checkForbidPoi ($ from_name, $ to_name, $ forbidPoi ){
$ IsSend = true;
Foreach ($ forbidPoi as $ word ){
If (strpos ($ from_name, $ word) ===false & strpos ($ to_name, $ word) === false ){

} Else {
$ IsSend = false;
Return $ isSend;

$ IsSend = true put it outside foreach

Can effectively reduce the number of cycles

Is a good optimization method

The above introduces a filter function, including some content, and hopes to help those who are interested in the PHP Tutorial.

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