init_done = 0;
$this->numrows = 0;
$this->numfields = 0;
$this->fields[0] = "";
}
function init () {
$this->init_done = 1;
$this->open();
}
function setHost () {
$this->host = $host;
}
function setDatabase () {
$this->database = $database ;
}
function setUser () {
$this->username = $username;
}
function setPassword () {
$this->password = $password;
}
function open () {
if ($this->init_done == 1) {
$this->link = mysql_connect($this->host, $this->username, $this->password) or
die ("Could not connect.");
mysql_select_db ($this->database) or
die (" DB: function open: Could not select database.");
}
else {
$this->init();
// echo "Class DB not initialized.
// Use 'init' function to do so.
";
}
}
function close () {
mysql_close($this->link);
}
function setDB ($newDatabase) {
$this->database = $newDatabase;
mysql_select_db ($this->database)
or die ("DB: function setDB: Could not re-select database to \'$newDatabase\'");
}
function do_query ($query) {
// abre conex o com o banco
$this->open();
$query = preg_replace ("/;.*/", "", $query); // Security... See function do_query_secure
// $patterns = array("/DROP.*/i","/^DELETE/i"); // Security... See function do_query_secure
// if ( !(preg_match ("/DROP.*/i", $query)) and // Security... See function do_query_secure
// !(preg_match ("/^DELETE/i", $query)) ) { // Security... See function do_query_secure
$this->last_query = $query;
//echo "$query"; //Debug Line
$resultid = mysql_query ($query) or
die ("Query failed (function do_query: $query)
".mysql_error());
//echo "$resultid"; //Debug Line
//NOTE: This is to make row count work in case a modifying SQL statement
// is called.
if ( preg_match("/^SELECT/i", $query) ) {
$rows = mysql_num_rows($resultid);
$this->numfields = mysql_num_fields ($resultid);
if ($rows!=0) {
$this->getFields($resultid);
}
}
else {
$rows = mysql_affected_rows($this->link);
// Assign -1 because mysql_num_fields won't work
// for modifying SQL commands.
$this->numfields = -1;
}
// }
// else { // Security... See function do_query_secure
// echo "QUERY CANNOT DO THAT! See web Administrator if
// you need to drop or delete records, tables or databases.
";
//
// $resultid = "ERR_do_query()";
// }
$this->result = $resultid;
$this->numrows = $rows;
$this->numfields = $fields;
//echo "Test for do_query: [rows: " . $this->numrows . " fields: " //Debug Line
//. $this->numfields . "]
"; //Debug Line
//return ($this->result); //cool to add for linking functions
//together in future
}
function do_query_secure ($query, $user) {
// For use when deleting records, coded OUT of use in the regular
//do_query function
// Add a check to make sure the user is valid, and make sure the
//user var passed is secure also
$query = preg_replace ("/;.*/", "", $query);
$this->last_query = $query;
$resultid = mysql_query ($query) or
die ("Query failed (function do_query_secure: $query)");
//echo "$resultid";
//NOTE: This is to make row count work in case a modifying SQL statement
// is called.
if ( preg_match("/^SELECT/i", $query) ) {
$rows = mysql_num_rows($resultid);
$this->numfields = mysql_num_fields ($resultid);
$this->getFields($resultid);
}
else {
$rows = mysql_affected_rows($this->link);
// Assign -1 because mysql_num_fields won't work
// for modifying SQL commands.
$this->numfields = -1;
}
$this->result = $resultid;
$rows = mysql_num_rows($resultid);
//$fields = mysql_num_fields ($resultid);
$this->numrows = $rows;
//return ($this->result); //cool to add for linking functions
//together in future
}
function getResult () {
return $this->result;
}
function getLastQuery () {
return $this->last_query;
}
function getRow () {
return (mysql_fetch_assoc($this->result));
}
function getRowNum () {
return (mysql_fetch_row($this->result));
}
function getRowExtended () {
return (mysql_fetch_array($this->result));
}
function displayResultTable () {
if ($this->result != false) {
mysql_data_seek($this->result, 0);
//echo "Rows: " . $this->numrows . "
" ; //Debug Line
//echo "Fields: " . $this->numfields . "
" ; //Debug Line
echo "\n";
echo "";
foreach ($this->fields as $field) {
echo "| $field | ";
}
echo "
\n";
while ($line = $this->getRow()) {
echo "";
foreach ($line as $value) {
echo "| $value | ";
}
echo "
\n";
}
echo "
\n";
}
else {
echo "No Records returned
\n";
}
}
function getFields($result) {
mysql_data_seek($result, 0);
//echo "Entered GetFields(numFields: " //Debug Line
//. $this->numfields . ")
"; //Debug line
$i = 0;
while ($i < $this->numfields) {
//echo "Entered While loop
"; //Debug line
$currField = mysql_fetch_field($result, $i);
$this->fields[$i] = $currField->name;
$i++;
//echo "Finihed one pass (". $this->fields[$i] . " = " //Debug Line
// . $currField->name . ")
"; //Debug line
}
mysql_data_seek($result, 0);
}
function clearResult () {
mysql_free_result ($this->link);
$this->result = false;
}
function getNumRows () {
return ($this->numrows);
}
function getNumFields () {
return ($this->numfields);
}
}
// END class DBMySQL
//------------------------------------------------------------------------------
?>
