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???? ????? ?? ??? ???? ???? ? ??? ??? ?? ??? ????. MD5(Message Digest 5)? ??? ???? ?? ???? ?? ??????? MD5 ???? ??? ? ??? ?? ???? ?? ?????. ?, ?? ????? ?? ??? ??? ? ?? ??? ????.
MD5? ????? ?? ??????
MD5? ??? ??? ???? ??? ? ????. ??? ??? ?? MD5 ??? ????? ??? ?? ????? ???????.
??? ??? ?? ??? ??
MD5? ??? ???? ?? ?? ?? ??? ??? ????. ????? ????? ?? ????? ??? ???? ? ?? ??? ??? ??? ????? ??? ??? ??? ???? ?? ??? ??? ?? ??????. ??? ? ??? ???? ?? ?????.
<code class="python">import hashlib
import base64
import os
def encrypt_password(password):
salt = os.urandom(32) # Generate a random 32-byte salt
key = hashlib.sha256(password.encode('utf-8') + salt).digest() # Derive a key from the password and salt
encrypted_password = base64.b64encode(salt + key) # Encode the salt and key using base64
return encrypted_password
def decrypt_password(encrypted_password):
decoded_password = base64.b64decode(encrypted_password) # Decode the base64-encoded password
salt = decoded_password[:32] # Extract the salt from the decoded password
key = decoded_password[32:] # Extract the key from the decoded password
return key.decode('utf-8') # Decode the key to plaintext
encrypted_password = encrypt_password('MyPassword')
decrypted_password = decrypt_password(encrypted_password)
print(f'Encrypted password: {encrypted_password}')
print(f'Decrypted password: {decrypted_password}')</code>
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? ??? MD5 ???? ???? ??? ? ?????? ?? ?????. ??? ??? PHP ??? ????? ?? ?? ??? ?????!
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TOSECURELYHANDLEAUSTENCENDACTIONANDACTERIZINGINPHP, FORCUCTSESTEPS : 1. ALWAYSHASHPASSWORTHPASSWORD_HASH () ? VERVERIFYUSINGPANSWORD_VERIFY (), usePREPAREDSTATEMENTSTOPREVENTSQLINGERGED, andSTOREUSERSESSEATAIN $ _SESSIONSAFTERLOGIN.2.impleplempletrole ?? ACCESSC
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PHP?? ?? ???? ???? ????? ??? ?? ??? ???? ?? ??? ??? ??? ???? ????. 1. finfo_file ()? ???? ?? ?? ??? ???? ???/jpeg? ?? ?? ?? ? ?????. 2. uniqid ()? ???? ??? ?? ??? ???? ? Web ?? ????? ??????. 3. php.ini ? html ??? ?? ?? ??? ???? ???? ??? 0755? ?????. 4. Clamav? ???? ???? ???? ??? ??????. ??? ??? ?? ???? ????? ???? ?? ??? ????? ???? ??? ? ??? ?????.
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PHP?? ==? ==? ?? ???? ?? ??? ??????. == ?? ??? ?? ?? ?????. ?? ??, 5 == "5"? true? ????, ?? ??? ???? ?? ?? ??? ????? ????? (? : 5 === "5"? false? ?????. ?? ?????? ===? ? ???? ?? ?????? == ?? ??? ??? ???? ?????.
php (, -, *, /, %)?? ?? ??? ??? ??????
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PHP?? ?? ??? ??? ???? ??? ??? ????. 1. ?? ??? ?? ? ?? ??? ??? ???? ???? ??? ? ????. ??? ??? ???? ????? ????? ???? ????. 2. ?? ?? ?? - ??, ??? ???? ?? ??? ?????. 3. ?? ???? ??? ??? ???? ??? ??? ?????. 4. Division? / ??? ???? 0?? ??? ?? ????? ??? ?? ??? ?? ? ? ????. 5. ???? ??? ???? ?? ?? ? ?? ??? ???? ? ??? ? ???, ??? ?? ? ? ??? ??? ???? ?????. ? ???? ???? ???? ??? ??? ??? ???? ?? ??? ? ??????? ????.
PHP? NOSQL ?????? (? : MongoDB, Redis)? ??? ?? ??? ? ?????
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?, PHP? ?? ?? ?? ?????? ?? MongoDB ? Redis? ?? NOSQL ??????? ?? ??? ? ????. ?? MongoDBPHP ???? (PECL ?? Composer? ?? ??)? ???? ????? ????? ??? ?????? ? ???? ????? ??, ??, ?? ? ?? ??? ?????. ??, Predis ????? ?? Phpredis ??? ???? Redis? ???? ?? ? ?? ? ??? ???? ??? ????? Phpredis? ???? ?? Predis? ?? ??? ?????. ? ? ?? ??? ???? ? ????? ????.
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tostaycurrentwithphpdevelopments ? bestpractices, followkeynewssources lifephp.netandphpweekly, adgytwithcommunitiesonforumsandconferences, readlingupdated andgrad indewfeatures, andreadorcontributetoopensourceproceprosts.first
PHP ? ???? ? ??? ? ??????
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phpbecamepupularforwebdevelopmentduetoiteofleneflening, whithhtml, wididepreadhostingsupport, andalargeecosystemincludingframeworkslikelaravelandcmsplatformsformslikewordpress.itexcelsinhandlingformsubmissions, managingussess, interptisussivers, ?? ???
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TOSETTHERIGHTTIMEZONEINPHP, usedate_default_timezone_set () functionattStartOfyourscriptwitHavalidInlifiersuchas'America/new_york'.1.edate_default_timezone_set () beforeanydate/timeFunctions.2
