1 | <?php |
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2 | /* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * |
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3 | * Easy set variables |
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4 | */ |
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5 | |
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6 | /* Array of database columns which should be read and sent back to DataTables. Use a space where |
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7 | * you want to insert a non-database field (for example a counter or static image) |
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8 | */ |
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9 | $aColumns = array( 'engine', 'browser', 'platform', 'version', 'grade' ); |
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10 | |
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11 | /* Indexed column (used for fast and accurate table cardinality) */ |
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12 | $sIndexColumn = "id"; |
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13 | |
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14 | /* DB table to use */ |
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15 | $sTable = "ajax"; |
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16 | |
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17 | /* Database connection information */ |
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18 | $gaSql['user'] = ""; |
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19 | $gaSql['password'] = ""; |
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20 | $gaSql['db'] = ""; |
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21 | $gaSql['server'] = "localhost"; |
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22 | |
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23 | /* REMOVE THIS LINE (it just includes my SQL connection user/pass) */ |
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24 | include( $_SERVER['DOCUMENT_ROOT']."/datatables/mysql.php" ); |
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25 | |
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26 | |
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27 | /* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * |
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28 | * If you just want to use the basic configuration for DataTables with PHP server-side, there is |
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29 | * no need to edit below this line |
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30 | */ |
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31 | |
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32 | /* |
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33 | * MySQL connection |
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34 | */ |
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35 | $gaSql['link'] = mysql_pconnect( $gaSql['server'], $gaSql['user'], $gaSql['password'] ) or |
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36 | die( 'Could not open connection to server' ); |
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37 | |
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38 | mysql_select_db( $gaSql['db'], $gaSql['link'] ) or |
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39 | die( 'Could not select database '. $gaSql['db'] ); |
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40 | |
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41 | |
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42 | /* |
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43 | * Paging |
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44 | */ |
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45 | $sLimit = ""; |
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46 | if ( isset( $_GET['iDisplayStart'] ) && $_GET['iDisplayLength'] != '-1' ) |
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47 | { |
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48 | $sLimit = "LIMIT ".mysql_real_escape_string( $_GET['iDisplayStart'] ).", ". |
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49 | mysql_real_escape_string( $_GET['iDisplayLength'] ); |
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50 | } |
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51 | |
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52 | |
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53 | /* |
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54 | * Ordering |
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55 | */ |
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56 | $sOrder = ""; |
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57 | if ( isset( $_GET['iSortCol_0'] ) ) |
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58 | { |
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59 | $sOrder = "ORDER BY "; |
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60 | for ( $i=0 ; $i<intval( $_GET['iSortingCols'] ) ; $i++ ) |
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61 | { |
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62 | if ( $_GET[ 'bSortable_'.intval($_GET['iSortCol_'.$i]) ] == "true" ) |
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63 | { |
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64 | $sOrder .= $aColumns[ intval( $_GET['iSortCol_'.$i] ) ]." |
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65 | ".mysql_real_escape_string( $_GET['sSortDir_'.$i] ) .", "; |
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66 | } |
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67 | } |
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68 | |
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69 | $sOrder = substr_replace( $sOrder, "", -2 ); |
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70 | if ( $sOrder == "ORDER BY" ) |
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71 | { |
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72 | $sOrder = ""; |
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73 | } |
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74 | } |
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75 | |
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76 | |
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77 | /* |
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78 | * Filtering |
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79 | * NOTE this does not match the built-in DataTables filtering which does it |
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80 | * word by word on any field. It's possible to do here, but concerned about efficiency |
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81 | * on very large tables, and MySQL's regex functionality is very limited |
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82 | */ |
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83 | $sWhere = ""; |
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84 | if ( isset($_GET['sSearch']) && $_GET['sSearch'] != "" ) |
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85 | { |
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86 | $sWhere = "WHERE ("; |
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87 | for ( $i=0 ; $i<count($aColumns) ; $i++ ) |
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88 | { |
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89 | $sWhere .= $aColumns[$i]." LIKE '%".mysql_real_escape_string( $_GET['sSearch'] )."%' OR "; |
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90 | } |
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91 | $sWhere = substr_replace( $sWhere, "", -3 ); |
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92 | $sWhere .= ')'; |
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93 | } |
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94 | |
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95 | /* Individual column filtering */ |
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96 | for ( $i=0 ; $i<count($aColumns) ; $i++ ) |
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97 | { |
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98 | if ( isset($_GET['bSearchable_'.$i]) && $_GET['bSearchable_'.$i] == "true" && $_GET['sSearch_'.$i] != '' ) |
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99 | { |
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100 | if ( $sWhere == "" ) |
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101 | { |
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102 | $sWhere = "WHERE "; |
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103 | } |
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104 | else |
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105 | { |
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106 | $sWhere .= " AND "; |
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107 | } |
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108 | $sWhere .= $aColumns[$i]." LIKE '%".mysql_real_escape_string($_GET['sSearch_'.$i])."%' "; |
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109 | } |
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110 | } |
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111 | |
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112 | |
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113 | /* |
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114 | * SQL queries |
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115 | * Get data to display |
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116 | */ |
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117 | $sQuery = " |
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118 | SELECT SQL_CALC_FOUND_ROWS ".str_replace(" , ", " ", implode(", ", $aColumns))." |
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119 | FROM $sTable |
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120 | $sWhere |
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121 | $sOrder |
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122 | $sLimit |
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123 | "; |
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124 | $rResult = mysql_query( $sQuery, $gaSql['link'] ) or die(mysql_error()); |
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125 | |
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126 | /* Data set length after filtering */ |
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127 | $sQuery = " |
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128 | SELECT FOUND_ROWS() |
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129 | "; |
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130 | $rResultFilterTotal = mysql_query( $sQuery, $gaSql['link'] ) or die(mysql_error()); |
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131 | $aResultFilterTotal = mysql_fetch_array($rResultFilterTotal); |
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132 | $iFilteredTotal = $aResultFilterTotal[0]; |
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133 | |
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134 | /* Total data set length */ |
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135 | $sQuery = " |
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136 | SELECT COUNT(".$sIndexColumn.") |
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137 | FROM $sTable |
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138 | "; |
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139 | $rResultTotal = mysql_query( $sQuery, $gaSql['link'] ) or die(mysql_error()); |
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140 | $aResultTotal = mysql_fetch_array($rResultTotal); |
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141 | $iTotal = $aResultTotal[0]; |
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142 | |
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143 | |
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144 | /* |
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145 | * Output |
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146 | */ |
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147 | $output = array( |
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148 | "sEcho" => intval($_GET['sEcho']), |
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149 | "iTotalRecords" => $iTotal, |
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150 | "iTotalDisplayRecords" => $iFilteredTotal, |
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151 | "aaData" => array() |
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152 | ); |
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153 | |
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154 | while ( $aRow = mysql_fetch_array( $rResult ) ) |
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155 | { |
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156 | $row = array(); |
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157 | for ( $i=0 ; $i<count($aColumns) ; $i++ ) |
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158 | { |
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159 | if ( $aColumns[$i] == "version" ) |
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160 | { |
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161 | /* Special output formatting for 'version' column */ |
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162 | $row[] = ($aRow[ $aColumns[$i] ]=="0") ? '-' : $aRow[ $aColumns[$i] ]; |
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163 | } |
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164 | else if ( $aColumns[$i] != ' ' ) |
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165 | { |
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166 | /* General output */ |
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167 | $row[] = $aRow[ $aColumns[$i] ]; |
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168 | } |
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169 | } |
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170 | $output['aaData'][] = $row; |
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171 | } |
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172 | |
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173 | echo json_encode( $output ); |
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174 | ?> |
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