dbh = @pg_connect($connect_str); if ( ! $this->dbh ) { $this->print_error("
    Error establishing a database connection!
  1. Are you sure you have the correct user/password?
  2. Are you sure that you have typed the correct hostname?
  3. Are you sure that the database server is running?
"); } else { // Remember these values for the select function $this->dbuser = $dbuser; $this->dbpassword = $dbpassword; $this->dbname = $dbname; $this->dbhost = $dbhost; } } // ================================================================== // Select a DB (if another one needs to be selected) function select($db) { $this->db($this->dbuser, $this->dbpassword, $db, $this->dbhost); } // ==================================================================== // Format a string correctly for safe insert under all PHP conditions function escape($str) { return pg_escape_string(stripslashes($str)); } // ================================================================== // Print SQL/DB error. function print_error($str = "") { // All erros go to the global error array $EZSQL_ERROR.. global $EZSQL_ERROR; // If no special error string then use mysql default.. if ( !$str ) $str = pg_last_error(); // Log this error to the global array.. $EZSQL_ERROR[] = array ( "query" => $this->last_query, "error_str" => $str ); // Is error output turned on or not.. if ( $this->show_errors ) { // If there is an error then take note of it print "
"; print "SQL/DB Error -- "; print "[$str]"; print "
"; } else { return false; } } // ================================================================== // Turn error handling on or off.. function show_errors() { $this->show_errors = true; } function hide_errors() { $this->show_errors = false; } // ================================================================== // Kill cached query results function flush() { // Get rid of these $this->last_result = null; $this->col_info = null; $this->last_query = null; } // ================================================================== // Try to get last ID function get_insert_id($query) { $this->last_oid = pg_last_oid($this->result); // try to find table name eregi ("insert *into *([^ ]+).*", $query, $regs); //print_r($regs); $table_name = $regs[1]; $query_for_id = "SELECT * FROM $table_name WHERE oid='$this->last_oid'"; //echo $query_for_id."
"; $result_for_id = pg_query($this->dbh, $query_for_id); if(pg_num_rows($result_for_id)) { $id = pg_fetch_array($result_for_id,0,PGSQL_NUM); //print_r($id); return $id[0]; } } // ================================================================== // Basic Query - see docs for more detail function query($query) { // For reg expressions $query = trim($query); // Flush cached values.. $this->flush(); // Log how the function was called $this->func_call = "\$db->query(\"$query\")"; // Keep track of the last query for debug.. $this->last_query = $query; // Perform the query via std pg_query function.. if (!$this->result = @pg_query($this->dbh,$query)) { $this->print_error(); return false; } $this->num_queries++; // If there was an insert, delete or update see how many rows were affected // (Also, If there there was an insert take note of the last OID $query_type = array("insert","delete","update","replace"); // loop through the above array foreach ( $query_type as $word ) { // This is true if the query starts with insert, delete or update if ( preg_match("/^$word\s+/i",$query) ) { $this->rows_affected = pg_affected_rows($this->result); // This gets the insert ID if ( $word == "insert" ) { $this->insert_id = $this->get_insert_id($query); // If insert id then return it - true evaluation return $this->insert_id; } // Set to false if there was no insert id $this->result = false; } } // In other words if this was a select statement.. if ( $this->result ) { // ======================================================= // Take note of column info $i=0; while ($i < @pg_num_fields($this->result)) { $this->col_info[$i]->name = pg_field_name($this->result,$i); $this->col_info[$i]->type = pg_field_type($this->result,$i); $this->col_info[$i]->size = pg_field_size($this->result,$i); $i++; } // ======================================================= // Store Query Results $i=0; while ( $row = @pg_fetch_object($this->result, $i, PGSQL_ASSOC) ) { // Store relults as an objects within main array $this->last_result[$i] = $row; $i++; } // Log number of rows the query returned $this->num_rows = $i; @pg_free_result($this->result); // If debug ALL queries $this->debug_all ? $this->debug() : null ; // If there were results then return true for $db->query if ( $i ) { return true; } else { return false; } } else { // If debug ALL queries $this->debug_all ? $this->debug() : null ; // Update insert etc. was good.. return true; } } // ================================================================== // Get one variable from the DB - see docs for more detail function get_var($query=null,$x=0,$y=0) { // Log how the function was called $this->func_call = "\$db->get_var(\"$query\",$x,$y)"; // If there is a query then perform it if not then use cached results.. if ( $query ) { $this->query($query); } // Extract var out of cached results based x,y vals if ( $this->last_result[$y] ) { $values = array_values(get_object_vars($this->last_result[$y])); } // If there is a value return it else return null return (isset($values[$x]) && $values[$x]!=='')?$values[$x]:null; } // ================================================================== // Get one row from the DB - see docs for more detail function get_row($query=null,$output=OBJECT,$y=0) { // Log how the function was called $this->func_call = "\$db->get_row(\"$query\",$output,$y)"; // If there is a query then perform it if not then use cached results.. if ( $query ) { $this->query($query); } // If the output is an object then return object using the row offset.. if ( $output == OBJECT ) { return $this->last_result[$y]?$this->last_result[$y]:null; } // If the output is an associative array then return row as such.. elseif ( $output == ARRAY_A ) { return $this->last_result[$y]?get_object_vars($this->last_result[$y]):null; } // If the output is an numerical array then return row as such.. elseif ( $output == ARRAY_N ) { return $this->last_result[$y]?array_values(get_object_vars($this->last_result[$y])):null; } // If invalid output type was specified.. else { $this->print_error(" \$db->get_row(string query, output type, int offset) -- Output type must be one of: OBJECT, ARRAY_A, ARRAY_N"); } } // ================================================================== // Function to get 1 column from the cached result set based in X index // se docs for usage and info function get_col($query=null,$x=0) { // If there is a query then perform it if not then use cached results.. if ( $query ) { $this->query($query); } // Extract the column values for ( $i=0; $i < count($this->last_result); $i++ ) { $new_array[$i] = $this->get_var(null,$x,$i); } return $new_array; } // ================================================================== // Return the the query as a result set - see docs for more details function get_results($query=null, $output = OBJECT) { // Log how the function was called $this->func_call = "\$db->get_results(\"$query\", $output)"; // If there is a query then perform it if not then use cached results.. if ( $query ) { $this->query($query); } // Send back array of objects. Each row is an object if ( $output == OBJECT ) { return $this->last_result; } elseif ( $output == ARRAY_A || $output == ARRAY_N ) { if ( $this->last_result ) { $i=0; foreach( $this->last_result as $row ) { $new_array[$i] = get_object_vars($row); if ( $output == ARRAY_N ) { $new_array[$i] = array_values($new_array[$i]); } $i++; } return $new_array; } else { return null; } } } // ================================================================== // Function to get column meta data info pertaining to the last query // see docs for more info and usage function get_col_info($info_type="name",$col_offset=-1) { if ( $this->col_info ) { if ( $col_offset == -1 ) { $i=0; foreach($this->col_info as $col ) { $new_array[$i] = $col->{$info_type}; $i++; } return $new_array; } else { return $this->col_info[$col_offset]->{$info_type}; } } } // ================================================================== // Dumps the contents of any input variable to screen in a nicely // formatted and easy to understand way - any type: Object, Var or Array function vardump($mixed='') { echo "

"; echo "
";

			if ( ! $this->vardump_called )
			{
				echo "ezSQL (v".EZSQL_VERSION.") Variable Dump..\n\n";
			}

			$var_type = gettype ($mixed);
			print_r(($mixed?$mixed:"No Value / False"));
			echo "\n\nType: " . ucfirst($var_type) . "\n";
			echo "Last Query [$this->num_queries]: ".($this->last_query?$this->last_query:"NULL")."\n";
			echo "Last Function Call: " . ($this->func_call?$this->func_call:"None")."\n";
			echo "Last Rows Returned: ".count($this->last_result)."\n";
			echo "
".$this->donation(); echo "\n

"; $this->vardump_called = true; } // Alias for the above function function dumpvar($mixed) { $this->vardump($mixed); } // ================================================================== // Displays the last query string that was sent to the database & a // table listing results (if there were any). // (abstracted into a seperate file to save server overhead). function debug() { echo "
"; // Only show ezSQL credits once.. if ( ! $this->debug_called ) { echo "ezSQL (v".EZSQL_VERSION.") Debug..

\n"; } echo "Query [$this->num_queries] -- "; echo "[$this->last_query]

"; echo "Query Result.."; echo "

"; if ( $this->col_info ) { // ===================================================== // Results top rows echo ""; echo ""; for ( $i=0; $i < count($this->col_info); $i++ ) { echo ""; } echo ""; // ====================================================== // print main results if ( $this->last_result ) { $i=0; foreach ( $this->get_results(null,ARRAY_N) as $one_row ) { $i++; echo ""; foreach ( $one_row as $item ) { echo ""; } echo ""; } } // if last result else { echo ""; } echo "
(row){$this->col_info[$i]->type} {$this->col_info[$i]->max_length}
{$this->col_info[$i]->name}
$i$item
No Results
"; } // if col_info else { echo "No Results"; } echo "
".$this->donation()."
"; $this->debug_called = true; } // ======================================================= // Naughty little function to ask for some remuniration! function donation() { return "If ezSQL has helped make a donation!?   [ go on! you know you want to! ]"; } } #$db = new db(EZSQL_DB_USER, EZSQL_DB_PASSWORD, EZSQL_DB_NAME, EZSQL_DB_HOST); ?>