??? MySQL ??/?? ? ??? ?? PHP ??() ??? ??? ???? ??? ??????
Nov 05, 2024 am 05:41 AM
PHP ??() MySQL ??/?? ? ?? ??
PHP ??()? ???? MySQL ??/?? ?? ?? ????? ? ? ??? ???? ?? ???? ??? "0000-00-00 00:00:00"? ?? ??? ??????. ? ??? ????? date()? ??? ??? ????? ???? ?? ?????.
??? ??? ???? ?? ?? ???? ???? ????. ??? ?? 'M'(??? ? ??) ? 'D'(??? ?? ??) ?? MySQL? ?? ???? ??? ?????. ? ???? ???? ?? ??? ??????.
<code class="php">date('Y-m-d H:i:s')</code>
? ???? 'Y'? ??? 4?? ??? ????, 'm'? ?? ?? ?(01-12)?? ?????. ), 'd'? ??? ???(01~31)?? ????. 'H'? ??(24?? ??)? ????, 'i'? ?, 's'? ?? ?????.
?? ?? ???? YYYY-MM-DD ???? ?????. HH:MM:SS ?????. ? ??? ?????? ? ???? ???? ???? MySQL ??/?? ??? ??? ??? ?????.
? ?? ??? ??? ?? ?? ?? ?? MySQL ?? ??/?? ?? ???? ??? ? ????.
? ??? ??? MySQL ??/?? ? ??? ?? PHP ??() ??? ??? ???? ??? ??????? ?? ?????. ??? ??? PHP ??? ????? ?? ?? ??? ?????!
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PHP?? ?? ? ??? ????? ?????????
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phpbecamepupularforwebdevelopmentduetoiteofleneflening, whithhtml, wididepreadhostingsupport, andalargeecosystemincludingframeworkslikelaravelandcmsplatformsformslikewordpress.itexcelsinhandlingformsubmissions, managingussess, interptisussivers, ?? ???
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PHP ?? ??? ?? ???? ????. ??? ?? ?????. 1. Windows ???? XAMPP? ???? ???? ????? ???? ???? XAMPP? ?????? ???? PHP ?? ??? ????? ?? ??? PHP? ?? ? ? ????. 2. MACOS ???? ???? ?? PHP? ???? ?? ??? ???? Apache ??? ???? ?? ? ? ????. 3. Linux ??? (Ubuntu/Debian)? APT ??? ???? ???? ??? ?????? PHP ? Common Extensions? ???? ??? ??? ???? ??? ????? ??? ? ????.
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TovalidateUserInputInphp, useBuilt-invalidationFunctions likefilter_var () ? filter_input (), applyRegulArexPessionSforCustomFormatsSuchasUsUserPhonEnumbers, CheckDatatypesFornumericValuesLikeAgeArPrice, setLtrimtsAnspacetReopeTopeTopeTopePeTopePeTopePeTopeTopeTopeTlyout
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PHP?? ??? ??? ????? ?? Session_Start ()? ???? ??? ??? ?? Session_Destroy ()? ???? ?? ?? ???? ???????. 1. ?? ?? _start ()? ???? ??? ?????? ??????. 2. ?? ?? ?? ???? ???? Session_Destroy ()? ?????. 3. ?? ????? ?? : ?? ??? ????? ???? $ _session ??; 4. ???, ???? ?? ??? ???? ???? ?? ??? ??????. 5. ????? ?? ? ???? ?????? ???? ???? ?? ??? ?? ????? ??? ??? ?? ???????. ????? ???? ?? ??? ??? ?? ???? ??? ?? ? ? ????.
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thephpfunctionserialize () andunserialize () areusedtoconvertcomplexDattoresintostorasandabackagain.1.serialize () c onvertsDatalikeCarraysorObjectSrayStringStringStrainingTainingTypeanDtuctureIncomation.2.
