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dpavlin |
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<?PHP // -*-Mode: C++;-*- |
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/* |
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Dobrica Pavlinusic <dpavlin@rot13.org> |
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Based on DBD::Pg by |
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Joseph Artsimovich (joseph_a<at>mail<dot>ru) |
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DBD::interbase -- The InterBase Driver. |
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See: http://evil.inetarena.com/php/DBI.php for more info. |
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Licence: LGPL (http://www.gnu.org/). |
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This software is provided "AS IS" with no warrenty either implicit, |
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explicit or otherwise. Use at your own risk. |
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Notes: |
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o insert_id is not implemented |
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*/ |
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class DBD_interbase { |
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var $is_persisent; |
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var $DBI; |
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var $exit_on_fail = 0; |
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var $dbh; |
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function DBD_connect( $db_name, $db_host = '', |
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$db_user = '', $db_passwd = '', |
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$is_persistent = 0){ |
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//Track the $is_persistant just for fun... |
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$is_persistent = $is_persistent ? $is_persistent : 0; |
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$this->is_persistent = $is_persistent; |
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//DEBUG... |
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echo "DBD::interbase: [$db_name][$db_host][$db_user][$is_persistent]<br>\n"; |
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$conn = array('','',''); |
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if ($db_name) $conn[0] = $db_name ; # can have hostname inside! |
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if ($db_host) $conn[0] = "$db_host:$db_name" ; |
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if ($db_user) $conn[1] = $db_user ; |
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if ($db_passwd) $conn[2] = $db_passwd ; |
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if( $is_persistent ){ |
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$conn = ibase_pconnect( $conn[0],$conn[1],$conn[2] ); |
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} else { |
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$conn = ibase_connect( $conn[0],$conn[1],$conn[2] ); |
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} |
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if( !$conn ){ |
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$this->errstr = "DBD::interbase Error: Could not connect to the database."; |
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return; |
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} |
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$this->dbh = $conn; |
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return( $this ); |
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}//end connect function |
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function disconnect( ){ |
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ibase_close( $this->dbh ); |
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$this->dbh = undef; |
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return( 1 ); |
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}//end disconnect function |
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function prepare( $query ){ |
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if( ! $this->dbh ){ return; } |
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//Does nothing but save the query... |
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$sth = new STH_interbase; |
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$sth->DBH( $this ); |
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//cludge for "=true" and "is true" |
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$query=eregi_replace("= *true","='t'",$query); |
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$query=eregi_replace("is *true","='t'",$query); |
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$sth->prepare( $query ); |
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return( $sth ); |
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}//end dbh prepare fn |
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//do is a reserved word so I have to name this something else. |
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function dbh_do( $query ){ |
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//run the query and return the number of affected rows. |
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//cludge for "=true" and "is true" |
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$query=eregi_replace("= *true","='t'",$query); |
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$query=eregi_replace("is *true","='t'",$query); |
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$result = ibase_query( $this->dbh, $query ); |
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if( ! $result ){ |
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$this->errstr = "DBI Error: 'dbh_do' failed: ". |
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ibase_errmsg( $this->dbh ); |
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if( $this->exit_on_fail ){ |
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echo $this->errstr."<br>\n"; |
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$this->disconnect( ); |
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exit( ); } |
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return; |
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} |
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$rows = ibase_num_fields( $result ); |
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if( $rows == 0 ){ $rows = '0E0'; } |
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return( $rows ); |
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}//end fn do |
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function insert_id( ){ |
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//Get the last serial number from an insert. |
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$this->errstr = "DBI Error: 'insertid' unimplemented."; |
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return( -1 ); |
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}//end fn do |
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function quote( $string ){ |
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if( $string ){ |
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return( "'".addslashes( $string )."'" ); |
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} else { |
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return( 'NULL' ); |
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} |
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}//end fn quote |
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}//end DBI class |
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//=========================================================== |
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class STH_interbase { |
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var $query; |
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var $DBH; |
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var $dbh; |
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var $result; |
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var $row = 0; |
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function STH( $dbh = '' ){ |
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if( $dbh ){ |
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$this->dbh = $dbh; |
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} |
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return( $this ); |
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} |
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function DBH( $dbh ){ |
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$this->DBH = $dbh; //watch out, this copies the object not the reference. |
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$this->dbh = $dbh->dbh; |
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return( $dbh ); |
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} |
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function prepare( $query ){ |
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if( ! $this->dbh ){ return; } |
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$this->query = $query; |
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return( $query ); |
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} |
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function execute( ){ |
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if( ! $this->dbh ){ return; } |
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//echo "Running query $this->query<br>\n"; |
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$this->result = ibase_query( $this->dbh, $this->query ); |
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if( ! $this->result ){ |
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$this->errstr = "STH Execute failed: ".ibase_errmsg( $this->dbh ); |
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return; |
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} |
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return( 1 ); |
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}//end execute fn |
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function finish( ){ |
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if( ! $this->result ){ return; } |
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ibase_freeresult( $this->result ); |
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$this->result = undef; |
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return( 1 ); |
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}//end execute fn |
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function rows( ){ |
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return( ibase_num_fields( $this->result ) ); |
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} //end rows fn |
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function fetchrow_array( ){ |
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if( ! $this->result ){ |
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//echo "STH Error: Calling fetchrow on null result.<br>\n"; |
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return; |
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} |
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return( ibase_fetch_row( $this->result )); |
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} |
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function fetchrow_hash( ){ |
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if( ! $this->result ){ |
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//echo "STH Error: Calling fetchrow on null result.<br>\n"; |
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return; |
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} |
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// if ($this->row >= ibase_num_fields($this->result)) return 0; |
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return( ibase_fetch_object( $this->result )); |
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} |
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} |
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$GLOBALS[classDBDinterbase_read] = 1; |