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? ??? ?? PHP ???? jQuery/Ajax? ???? `enctype=\'multipart/form-data\'`? ??? ??? ? `contentType: false`? ???? PHP?? ???? ?? ??? ??? ???? ??? ??????

jQuery/Ajax? ???? `enctype=\'multipart/form-data\'`? ??? ??? ? `contentType: false`? ???? PHP?? ???? ?? ??? ??? ???? ??? ??????

Oct 26, 2024 am 06:27 AM

Why does setting `contentType: false` resolve undefined index errors in PHP when submitting forms with `enctype=

enctype="multipart/form-data"? ??? Jquery/Ajax ?? ??: 'contentType: False' ???? ??

??? ? Jquery/Ajax? ???? enctype="multipart/form-data"? ??? ????? ?? ???? 'contentType' ??? false? ??? ?? PHP?? ???? ?? ??? ??? ?? ?????. ? ??? ??? ? ??? ??? ??? ?? ?????? ??? ??? ???? ????.

'contentType: False' ?? ??

'contentType' Ajax ??? ??? ??? ?? ??? HTTP ?? ??? ?????. ??? ?? ??? ?? ?? ??? 'application/x-www-form-urlencoded; charset=UTF-8'? ?????. ??? multipart/form-data? ?? ?? ???? ??? ? 'contentType'? false? ???? ??? ??? ???? ?? ??? ??? ???.

?? multipart/form-data ??? ?? ???? ???? ???? ?????. ??? ??? ?? ???? ?? ??. Content-Type ??? ??? ?? jQuery? ?? ???? ????? ?? ???? ?????. ?????, PHP? ???? ?? ???? ??? ?? ??? ? ?? ???? ?? ??? ??? ?????.

'contentType: False'? ???? ?? ??

'contentType : false' ??? ?? ?? ? enctype="multipart/form-data"? ??? ??? ? ??????. ??? ??????? 'processData' ???? false? ??? ??? ?? ?? ?????. ??? ??? jQuery? FormData? ???? ????? ???? ?? ???? ???? ???.

?? ?? ??

'contentType: false' ?? ???? ???? ?? ??? ??? ???? ??? jQuery? '.serialize()' ???? ????? ? FormData ??? ???? ?? ??? ???. ??? ??? ?? ???? PHP ??? ???? ???? ????? ?? ? ??? ? ? ????.

??

'contentType' ??? ?? ?? Jquery/Ajax ??? ????/?? ??? ? ?? ???? ??? ? ?????. 'contentType'? false? ???? ?? ?? ?? ???? ?????? ???? PHP ???? ?? ??? ??? ???? ??? ??? ?? ???? ??? ???? ????? ? ? ????.

? ??? jQuery/Ajax? ???? `enctype=\'multipart/form-data\'`? ??? ??? ? `contentType: false`? ???? PHP?? ???? ?? ??? ??? ???? ??? ??????? ?? ?????. ??? ??? PHP ??? ????? ?? ?? ??? ?????!

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