if(Empty($_request[' cont ']) OrIs_null($_request[' Cont '])){ $sql= "SELECT * from Tb_article ORDER BY".$fields. "Desc"; }Else{ $querymem=$_request[' Querymem ']; $signslt=$_request[' Signslt ']; $cont=$_request[' Cont ']; $sql= ' SELECT * from Tb_article ';//Firsttime if(In_array($querymem,Array(' id ', ' hitnum ', ' renum ', ' examine ')))){ $sql. = "where".$querymem." ".$signslt." ".$cont; I don't know what to say}Else if(In_array($querymem,Array(' Firsttime '))){ if($signslt= = ' = '){ $sql. = "where".$querymem. "Like '%".$cont." %‘"; }Else{ $sql. = "where".$querymem." ".$signslt." ‘".$cont."‘"; } }Else if(In_array($querymem,Array(' TypeName ', ' title ', ' author '))){ if($signslt= = ' Exac '){ $sql. = "where".$querymem. "=".$cont."‘"; }Else if($signslt= = ' Mist '){ $sql. = "where".$querymem. "Like '%".$cont." %‘"; } }
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Don't understand the place PHP