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                **一.crypt加密技術** 1.函數聲明 ~~~ crypt ( string $str [, string $salt ] ) : string ~~~ 2.代碼例子 ~~~ $hash = crypt('123',mt_rand().'-'.time()); ~~~ **二.數據加密和驗證實例** // 用戶注冊 ~~~ $hash = crypt('123',mt_rand().'-'.time()); // 用戶登錄驗證 if(hash_equals($hash, crypt('123', $hash))) { echo 'pass yes'; }else{ echo 'pass no'; } ~~~ **三.官方推薦password\_hash加密技術** #建議用password\_hash來代替crypt技術 #代碼實例 ~~~ // 用戶注冊 $hash=password_hash('123',PASSWORD_DEFAULT); // 用戶登錄驗證 if (password_verify('123', $hash)) { echo 'pass yes'; } else { echo 'pass no'; } ~~~
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