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Methods and code examples for safe filtering of special characters in PHP

WBOY
WBOYOriginal
2016-07-25 09:13:351343browse



字Php The method and code example of the special character's security filtering
    & function checkhacks ($ Checkinfo, $ action) {// action 0 directly exit and prompts, replace the dangerous Chinese

  1.                                                                                                       ;$i
    (IF (STRPOS ($ Checkinfo, $ Badwords [$ i])! = False) {


  3. IF ($ Action == "0") {

  4. Echo "system detects prohibited Special characters: ". $ Badwords [$ i];

  5. exit;

  6. Break;}} elseif ($ action ==" 1 ") {

  7. $ Checkinfo = Str_replace ($ badwords [$ i]," "" "" "" "" "" "" "" "" "" "" "" ,$checkinfo);

  8.                                                                                                                                                                                                                                                                                                                                                                                                                /*********************Call functions************************** **** *********************************************

  9.                                                                        >

  11. Copy code


  14. function, action, false, count, detection



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