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?? ???/?? ?????? ??? ??? ???? ???? ?? ?????. ? ??? ???? ?? ?? ???? ???? ??? ?? ?? ?? ?? ??? ???? ?????? ?? ??? ???? ????.
?? ??? ??
?? ???? ??? ???? ?????? ?????. ?? ?? ?? ?? ?????. ??? ?? ?? ?? ?? ???? ???? ? ???? ???????? ??? ??? ??? ?? ? ??? ?????.
?? ?? SQL ?? ???? ??? ? ????.
ALTER TABLE users ADD UNIQUE (username);
??? ???? ??????? ??? ??? ?? ?? ???? ?? ?? ??? ??? ????? ??? ? ??? ?????.
?? ?? PHP
PHP ????? ?????? ?? ???? ?? ??? ??? ???? ????? ?? ?? ?? ???? ??? ? ????. ?? PHP? ?? ?? ????? ???? ??? ? ????.
PDO ??
try {
$stmt = $pdo->prepare('INSERT INTO users(username) VALUE(?)');
$stmt->execute([$username]);
} catch (\PDOException $e) {
if ($e->errorInfo[1] === 1062) {
$error[] = "This username is already taken!";
} else {
throw $e; // Let the exception be processed further
}
}
MySQLi ??
try {
$stmt = $mysqli->prepare('INSERT INTO users(username) VALUE(?)');
$stmt->bind_param('s', $username);
$stmt->execute();
} catch (\mysqli_sql_exception $e) {
if ($e->getCode() === 1062) {
$error[] = "This username is already taken!";
} else {
throw $e; // Let the exception be processed further
}
}
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? ??? ??? ?? ? ??? ??? ??? ???? ??? ??????? ?? ?????. ??? ??? PHP ??? ????? ?? ?? ??? ?????!
? AI ??
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??? ???? ??
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???? ?? ??? ??? ?? AI ?? ?
AI Clothes Remover
???? ?? ???? ??? AI ?????.
Clothoff.io
AI ? ???
Video Face Swap
??? ??? AI ?? ?? ??? ???? ?? ???? ??? ?? ????!
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???? ?? ?? ?? ???
SublimeText3 ??? ??
??? ??, ???? ?? ????.
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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? ???? ???? ???? ??? ??????. ??? ??? ?? ???? ????? ???? ?? ??? ????? ???? ??? ? ??? ?????.
PHP?? == (??? ??)? === (??? ??)? ???? ??????
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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? ?? ??? ?????. ? ? ?? ??? ???? ? ????? ????.
?? PHP ?? ? ?? ??? ??? ?? ??? ??????
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tostaycurrentwithphpdevelopments ? bestpractices, followkeynewssources lifephp.netandphpweekly, adgytwithcommunitiesonforumsandconferences, readlingupdated andgrad indewfeatures, andreadorcontributetoopensourceproceprosts.first
PHP ? ???? ? ??? ? ??????
Jun 23, 2025 am 12:55 AM
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
