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server_processing.php
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/
server_processing.php
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<?php
/* * Script: DataTables server-side script for PHP and MySQL *
Copyright: 2010 - Allan Jardine * License: GPL v2 or BSD (3-point)
*/ /* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
Easy set variables */ /* Array of database columns which should be read and sent back to DataTables.
Use a space where * you want to insert a non-database field (for example a counter or static image) */
$aColumns = array( 'horario', 'nome', 'dtnasc', 'endereco', 'telefone','tipoConsulta','sessoes','data_agendamento' );
/* Indexed column (used for fast and accurate table cardinality) */
$sIndexColumn = "idAgend"; /* DB table to use */ $sTable = "agendamento";
/* Database connection information */
$gaSql['user'] = "root"; $gaSql['password'] = ""; $gaSql['db'] = "clinica"; $gaSql['server'] = "localhost";
Ffunction fatal_error ( $sErrorMessage = '' ) { header( $_SERVER['SERVER_PROTOCOL'] .' 500 Internal Server Error' ); die( $sErrorMessage ); }
/* * MySQL connection */
if ( ! $gaSql['link'] = mysql_pconnect( $gaSql['server'], $gaSql['user'], $gaSql['password'] ) )
{ fatal_error( 'Could not open connection to server' ); }
if ( ! mysql_select_db( $gaSql['db'], $gaSql['link'] ) ) { fatal_error( 'Could not select database ' ); }
/* * Paging */ $sLimit = ""; if ( isset( $_GET['iDisplayStart'] ) && $_GET['iDisplayLength'] != '-1' )
{ $sLimit = "LIMIT ".intval( $_GET['iDisplayStart'] ).", ". intval( $_GET['iDisplayLength'] ); }
/* * Ordering */ if ( isset( $_GET['iSortCol_0'] ) ) { $sOrder = "ORDER BY "; for ( $i=0 ; $i<intval( $_GET['iSortingCols'] ) ;
$i++ ) { if ( $_GET[ 'bSortable_'.intval($_GET['iSortCol_'.$i]) ] == "true" ) {
$sOrder .= $aColumns[ intval( $_GET['iSortCol_'.$i] ) ]." ".($_GET['sSortDir_'.$i]==='asc' ? 'asc' : 'desc').", "; } }
$sOrder = substr_replace( $sOrder, "", -2 ); if ( $sOrder == "ORDER BY" ) { $sOrder = ""; } }
/* * Filtering * NOTE this does not match the built-in DataTables filtering which does it * word by word on any field. It's possible to do here, but concerned about efficiency * on very large tables, and MySQL's regex functionality is very limited */ $sWhere = ""; if ( $_GET['sSearch'] != "" ) { $sWhere = "WHERE ("; for ( $i=0 ; $i<count($aColumns) ; $i++ ) { if ( isset($_GET['bSearchable_'.$i]) && $_GET['bSearchable_'.$i] == "true" ) { $sWhere .= $aColumns[$i]." LIKE '%".mysql_real_escape_string( $_GET['sSearch'] )."%' OR "; } } $sWhere = substr_replace( $sWhere, "", -3 ); $sWhere .= ')'; } /* Individual column filtering */ for ( $i=0 ; $i<count($aColumns) ; $i++ ) { if ( $_GET['bSearchable_'.$i] == "true" && $_GET['sSearch_'.$i] != '' ) { if ( $sWhere == "" ) { $sWhere = "WHERE "; } else { $sWhere .= " AND "; } $sWhere .= $aColumns[$i]." LIKE '%".mysql_real_escape_string($_GET['sSearch_'.$i])."%' "; } } /* * SQL queries * Get data to display */ $sQuery = " SELECT SQL_CALC_FOUND_ROWS ".str_replace(" , ", " ", implode(", ", $aColumns))." FROM $sTable $sWhere $sOrder $sLimit "; $rResult = mysql_query( $sQuery, $gaSql['link'] ) or fatal_error( 'MySQL Error: ' . mysql_errno() ); /* Data set length after filtering */ $sQuery = " SELECT FOUND_ROWS() "; $rResultFilterTotal = mysql_query( $sQuery, $gaSql['link'] ) or fatal_error( 'MySQL Error: ' . mysql_errno() ); $aResultFilterTotal = mysql_fetch_array($rResultFilterTotal); $iFilteredTotal = $aResultFilterTotal[0]; /* Total data set length */ $sQuery = " SELECT COUNT(".$sIndexColumn.") FROM $sTable "; $rResultTotal = mysql_query( $sQuery, $gaSql['link'] ) or fatal_error( 'MySQL Error: ' . mysql_errno() ); $aResultTotal = mysql_fetch_array($rResultTotal); $iTotal = $aResultTotal[0]; /* * Output */ $sOutput = '{'; $sOutput .= '"sEcho": '.intval($_GET['sEcho']).', '; $sOutput .= '"iTotalRecords": '.$iTotal.', '; $sOutput .= '"iTotalDisplayRecords": '.$iFilteredTotal.', '; $sOutput .= '"aaData": [ '; while ( $aRow = mysql_fetch_array( $rResult ) ) { $sOutput .= "["; for ( $i=0 ; $i<count($aColumns) ; $i++ ) { if ( $aColumns[$i] == "version" ) { /* Special output formatting for 'version' */ $sOutput .= ($aRow[ $aColumns[$i] ]=="0") ? '"-",' : '"'.str_replace('"', '\"', $aRow[ $aColumns[$i] ]).'",'; } else if ( $aColumns[$i] != ' ' ) { /* General output */ $sOutput .= '"'.str_replace( array( '"', "\n", "\r" ), array( '\\"', "\\n", "\\n"), $aRow[ $aColumns[$i] ] ).'",'; } } /* * Optional Configuration: * If you need to add any extra columns (add/edit/delete etc) to the table, that aren't in the * database - you can do it here */ $sOutput = substr_replace( $sOutput, "", -1 ); $sOutput .= "],"; } $sOutput = substr_replace( $sOutput, "", -1 ); $sOutput .= '] }';
echo $sOutput;
?>