Mercurial > repos > saskia-hiltemann > ireport

comparison DataTables-1.9.4/examples/server_side/scripts/filter_col.php @ 0:ac5f9272033b draft

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author saskia-hiltemann
date Tue, 01 Jul 2014 11:42:23 -0400
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-1:000000000000 0:ac5f9272033b
1 <?php
2 /* MySQL connection */
3 include( $_SERVER['DOCUMENT_ROOT']."/datatables/mysql.php" ); /* ;-) */
4
5 /*
6 * Local functions
7 */
8 function fatal_error ( $sErrorMessage = '' )
9 {
10 header( $_SERVER['SERVER_PROTOCOL'] .' 500 Internal Server Error' );
11 die( $sErrorMessage );
12 }
13
14
15 /*
16 * MySQL connection
17 */
18 if ( ! $gaSql['link'] = mysql_pconnect( $gaSql['server'], $gaSql['user'], $gaSql['password'] ) )
19 {
20 fatal_error( 'Could not open connection to server' );
21 }
22
23 if ( ! mysql_select_db( $gaSql['db'], $gaSql['link'] ) )
24 {
25 fatal_error( 'Could not select database ' );
26 }
27
28
29
30 /* Paging */
31 $sLimit = "";
32 if ( isset( $_GET['iDisplayStart'] ) && $_GET['iDisplayLength'] != '-1' )
33 {
34 $sLimit = "LIMIT ".intval( $_GET['iDisplayStart'] ).", ".
35 intval( $_GET['iDisplayLength'] );
36 }
37
38 /* Ordering */
39 if ( isset( $_GET['iSortCol_0'] ) )
40 {
41 $sOrder = "ORDER BY ";
42 for ( $i=0 ; $i<mysql_real_escape_string( $_GET['iSortingCols'] ) ; $i++ )
43 {
44 $sOrder .= fnColumnToField(mysql_real_escape_string( $_GET['iSortCol_'.$i] ))."
45 ".mysql_real_escape_string( $_GET['sSortDir_'.$i] ) .", ";
46 }
47 $sOrder = substr_replace( $sOrder, "", -2 );
48 }
49
50 /* Filtering - NOTE this does not match the built-in DataTables filtering which does it
51 * word by word on any field. It's possible to do here, but concerned about efficiency
52 * on very large tables, and MySQL's regex functionality is very limited
53 */
54 $sWhere = "";
55 if ( $_GET['sSearch'] != "" )
56 {
57 $sWhere = "WHERE ( engine LIKE '%".mysql_real_escape_string( $_GET['sSearch'] )."%' OR ".
58 "browser LIKE '%".mysql_real_escape_string( $_GET['sSearch'] )."%' OR ".
59 "platform LIKE '%".mysql_real_escape_string( $_GET['sSearch'] )."%' OR ".
60 "version LIKE '%".mysql_real_escape_string( $_GET['sSearch'] )."%' OR ".
61 "grade LIKE '%".mysql_real_escape_string( $_GET['sSearch'] )."%' )";
62 }
63
64 for ( $i=0 ; $i<$_GET['iColumns'] ; $i++ )
65 {
66 if ( $_GET['sSearch_'.$i] != '' )
67 {
68 if ( $sWhere != "" )
69 {
70 $sWhere .= " AND ";
71 }
72 else
73 {
74 $sWhere .= "WHERE ";
75 }
76 $sWhere .= fnColumnToField($i) ." LIKE '%".mysql_real_escape_string( $_GET['sSearch_'.$i] )."%'";
77 }
78 }
79
80 $sQuery = "
81 SELECT SQL_CALC_FOUND_ROWS id, engine, browser, platform, version, grade
82 FROM ajax
83 $sWhere
84 $sOrder
85 $sLimit
86 ";
87 $rResult = mysql_query( $sQuery, $gaSql['link'] ) or fatal_error( 'MySQL Error: ' . mysql_errno() );
88
89 $sQuery = "
90 SELECT FOUND_ROWS()
91 ";
92 $rResultFilterTotal = mysql_query( $sQuery, $gaSql['link'] ) or fatal_error( 'MySQL Error: ' . mysql_errno() );
93 $aResultFilterTotal = mysql_fetch_array($rResultFilterTotal);
94 $iFilteredTotal = $aResultFilterTotal[0];
95
96 $sQuery = "
97 SELECT COUNT(id)
98 FROM ajax
99 ";
100 $rResultTotal = mysql_query( $sQuery, $gaSql['link'] ) or fatal_error( 'MySQL Error: ' . mysql_errno() );
101 $aResultTotal = mysql_fetch_array($rResultTotal);
102 $iTotal = $aResultTotal[0];
103
104 $sOutput = '{';
105 $sOutput .= '"sEcho": '.intval($_GET['sEcho']).', ';
106 $sOutput .= '"iTotalRecords": '.$iTotal.', ';
107 $sOutput .= '"iTotalDisplayRecords": '.$iFilteredTotal.', ';
108 $sOutput .= '"aaData": [ ';
109 while ( $aRow = mysql_fetch_array( $rResult ) )
110 {
111 $sOutput .= "[";
112 $sOutput .= '"'.str_replace('"', '\"', $aRow['engine']).'",';
113 $sOutput .= '"'.str_replace('"', '\"', $aRow['browser']).'",';
114 $sOutput .= '"'.str_replace('"', '\"', $aRow['platform']).'",';
115 if ( $aRow['version'] == "0" )
116 $sOutput .= '"-",';
117 else
118 $sOutput .= '"'.str_replace('"', '\"', $aRow['version']).'",';
119 $sOutput .= '"'.str_replace('"', '\"', $aRow['grade']).'"';
120 $sOutput .= "],";
121 }
122 $sOutput = substr_replace( $sOutput, "", -1 );
123 $sOutput .= '] }';
124
125 echo $sOutput;
126
127
128 function fnColumnToField( $i )
129 {
130 if ( $i == 0 )
131 return "engine";
132 else if ( $i == 1 )
133 return "browser";
134 else if ( $i == 2 )
135 return "platform";
136 else if ( $i == 3 )
137 return "version";
138 else if ( $i == 4 )
139 return "grade";
140 }
141 ?>