Happy Codings - Programming Code Examples
Html Css Web Design Sample Codes CPlusPlus Programming Sample Codes JavaScript Programming Sample Codes C Programming Sample Codes CSharp Programming Sample Codes Java Programming Sample Codes Php Programming Sample Codes Visual Basic Programming Sample Codes


Php Programming Code Examples

Php > Databases Code Examples

A database abstraction layer for the PHP Oracle 8 module

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253
A database abstraction layer for the PHP Oracle 8 module <?php // -*- C++ -*- /* * $Id: db-oci8.phl,v 1.2 1998/10/01 19:16:06 ssb Exp $ */ $db_error_code = 0; $db_error_msg = false; $db_error_source = false; /* * Database specific notes: * * - You must configure Oracle listener to use this abstraction layer. * */ /** * @function db_connect * @purpose Connect to a database * @desc * Connects to a database and returns and identifier for the connection. * @arg database * Data source name or database host to connect to. * @arg user * Name of user to connect as. * @arg password * The user's password. */ function db_connect($database, $user, $password) { $ret = @OCILogon($user, $password, $database); db_check_errors($php_errormsg); return $ret; } /* * Function: db_query * Arguments: $conn (int) - connection identifier * $query (string) - SQL statement to execute * Description: executes an SQL statement * Returns: false - query failed * integer - query succeeded, value is result handle */ function db_query($conn, $query) { $stmt = @OCIParse($conn, $query); db_check_errors($php_errormsg); if (!$stmt) { return false; } if (@OCIExecute($stmt)) { return $stmt; } db_check_errors($php_errormsg); @OCIFreeStatement($stmt); return false; } /* * Function: db_fetch_row * Arguments: $stmt (int) - result identifier * Description: Returns an array containing data from a fetched row. * Returns: false - error * (array) - returned row, first column at index 0 */ function db_fetch_row($stmt) { $cols = @OCIFetchInto($stmt, &$row); if (!$cols) { db_check_errors($php_errormsg); return false; } return $row; } /* * Function: db_free_result * Arguments: $stmt (int) - result identifier * Description: Frees all memory associated with a result identifier. * Returns: false - failure * true - success */ function db_free_result($stmt) { global $db_oci8_pieces; if (isset($db_oci8_pieces[$stmt])) { unset($db_oci8_pieces[$stmt]); } $ret = @OCIFreeStatement($stmt); db_check_errors($php_errormsg); return $ret; } /* * Function: db_disconnect * Arguments: $connection (int) - connection identifier * Description: closes a database connection * Returns: false - failure * true - success */ function db_disconnect($connection) { $ret = @OCILogoff($connection); db_check_errors($php_errormsg); return $ret; } /* * Function: db_autocommit * Arguments: $connection (int) - connection identifier * Description: turn autocommit on or off * Returns: false - failure * true - success */ function db_autocommit($connection, $enabled) { if (!$enabled) { db_post_error(0, "Transactions not yet implemented"); return false; } return true; } function db_commit($connection) { return true; } function db_rollback($connection) { db_post_error(0, "Transactions not yet implemented"); return false; } function db_quote_string($string) { $ret = ereg_replace( "'", "''", $string); return $ret; } function db_prepare($connection, $query) { global $db_oci8_pieces; $pieces = explode( "?", $query); $new_query = ""; $last_piece = sizeof($pieces) - 1; print "<br>last_piece=$last_piece\n"; while (list($i, $piece) = each($pieces)) { $new_query .= $piece; if ($i < $last_piece) { $new_query .= ":var$i"; } } print "<br>new_query=$new_query\n"; $stmt = @OCIParse($connection, $new_query); if (!$stmt) { db_check_errors($php_errormsg); return false; } for ($i = 0; $i < $last_piece; $i++) { $bindvar = ":var$i"; print "<br>trying to bind $bindvar\n"; if ([email protected]($stmt, $bindvar, &$db_oci8_pieces[$stmt][$i])) { db_check_errors($php_errormsg); @OCIFreeStatement($stmt); return false; } } return $stmt; } function db_execute($stmt, $data) { global $db_oci8_pieces; while (list($i, $value) = each($data)) { $db_oci8_pieces[$stmt][$i] = $data[$i]; } $ret = @OCIExecute($stmt); if (!$ret) { db_check_errors($php_errormsg); return false; } return true; } function db_error_code() { global $db_error_code; return $db_error_code; } function db_error_msg() { global $db_error_msg; return $db_error_msg; } function db_error_source() { global $db_error_source; return $db_error_source; } function db_check_errors($errormsg) { global $db_error_code, $db_error_msg, $db_error_source; if (ereg( '^([^:]*): (...-.....): (.*)', $errormsg, &$data)) { list($foo, $function, $db_error_code, $db_error_msg) = $data; $db_error_msg = "$function: $db_error_msg"; $db_error_source = "[Oracle][PHP][OCI8]"; } elseif (ereg( '^([^:]*): (.*)', $errormsg, &$data)) { list($foo, $function, $db_error_msg) = $data; $db_error_msg = "$function: $db_error_msg"; $db_error_code = 0; $db_error_source = "[PHP][OCI8][db-oci8]"; } else { $db_error_msg = $errormsg; $db_error_code = 0; $db_error_source = "[PHP][OCI8][db-oci8]"; } } function db_post_error($code, $message) { global $db_error_code, $db_error_msg, $db_error_source; $db_error_code = $code; $db_error_msg = $message; $db_error_source = "[PHP][OCI8][db-oci8]"; } function db_api_version() { return 10; // 1.0 } ?>