PHP Developer’s Dictionary IT-SC book 480 The pg_exec() function, which is available in PHP 3.0 and higher, executes the query utilizing the given connection and returns an index to the result set or FALSE on error. pg_fetch_array() Syntax array pg_fetch_array (int result , int row [,int result_type]) Description The pg_fetch_array() function, which is available in PHP 3.0.1 and higher, returns an array for the fetched row in the result set. The optional result_type parameter can take the following values: PGSQL_ASSOC , PGSQL_NUM , and PGSQL_BOTH . The returned array has the data in both indexed and associate formats with the column names as keys. pg_fetch_object() Syntax object pg_fetch_object (int result , int row [, int result_type ]) Description The pg_fetch_object() function, which is available in PHP 3.0.1 and higher, returns an object containing the data from the fetched row, with the fields accessible by name only. The optional result_type parameter can take the values PGSQL_ASSOC , PGSQL_NUM , and PGSQL_BOTH . pg_fetch_row() Syntax array pg_fetch_row (int result, int row) Description The pg_fetch_row() function, which is available in PHP 3.0.1 and higher, returns a zero-based array containing the data in the result set at the indicated row . PHP Developer’s Dictionary IT-SC book 481 pg_fieldisnull() Syntax int pg_fieldisnull (int result_id , int row, mixed , field ) Description The pg_fieldisnull() function, which is available in PHP 3.0 and higher, returns TRUE if the field in the row for the referenced result_id is NULL and FALSE otherwise. The field parameter can be the zero-based column number of the column name. pg_fieldname() Syntax string pg_fieldname (int result_id , int field_number) Description The pg_fieldname() function, which is available in PHP 3.0 and higher, returns the name of the field at the position field_number in the result set referenced by the result_id parameter. Note that field numbering starts at 0. pg_fieldnum() Syntax int pg_fieldnum (int result_id, string field_name) Description The pg_fieldnum() function, which is available in PHP 3.0 and higher, returns the number of the given field_name in the result set identified by the result_id parameter. pg_fieldprtlen() Syntax PHP Developer’s Dictionary IT-SC book 482 int pg_fieldprtlen (int result_id , int row_number, string field_name) Description The pg_fieldprtlen() function, which is available in PHP 3.0 and higher, returns the actual printed character length of a field referenced by the field_name parameter at the row_number in the result set referenced by the result_id parameter. pg_fieldsize() Syntax int pg_fieldsize (int result_id, int field_number) Description The pg_fieldsize() function, which is available in PHP 3.0 and higher, returns the internal storage size of the field indicated by the field_number parameter in the result set referenced by the result_id parameter. pg_fieldtype() Syntax string pg_fieldtype (int result_id, int field_number) Description The pg_fieldtype() function, which is available in PHP 3.0 and higher, returns a string with the type name of the field_number in the given result_id set. Note that field_numbering starts at 0. pg_freeresult() Syntax int pg_freeresult (int result_id) PHP Developer’s Dictionary IT-SC book 483 Description The pg_freeresult() function, which is available in PHP 3.0 and higher, frees all resources associated with the result_id result set. pg_getlastoid() Syntax int pg_getlastoid (int result_id) Description The pg_getlastoid() function, which is available in PHP 3.0 and higher, returns the oid assigned to an inserted tuple if the result identifier is used from the last command sent via pg_exec() and it was an insert statement. The return value will be FALSE if there was an error or if the last command sent via pg_exec() was not an insert statement. pg_host() Syntax string pg_host (int connection_id) Description The pg_host() function, which is available in PHP 3.0 and higher, returns the name of the host associated with the given connection_id . pg_loclose() Syntax void pg_loclose (int fd) Description The pg_loclose() function, which is available in PHP 3.0 and higher, closes the large object referenced by the fd parameter. PHP Developer’s Dictionary IT-SC book 484 pg_locreate() Syntax int pg_locreate (int conn ) Description The pg_locreate() function, which is available in PHP 3.0 and higher, creates an inversion large object and returns its oid. pg_loopen() Syntax int pg_loopen (int conn, int objoid, string mode) Description The pg_loopen() function, which is available in PHP 3.0 and higher, opens a large object and returns a file descriptor for it. The mode parameter can take the value 'r' , 'w' , or ' rw' for read, write, or read and write, respectively. pg_loread() Syntax string pg_loread (int fd, int len) Description The pg_loread() function, which is available in PHP 3.0 and higher, reads the large object referenced by the fd parameter up to len bytes. pg_loreadall() Syntax void pg_loreadall (int fd) . PHP Developer’s Dictionary IT-SC book 480 The pg_exec() function, which is available in PHP 3.0 and higher, executes the query utilizing. pg_fetch_row() function, which is available in PHP 3.0.1 and higher, returns a zero-based array containing the data in the result set at the indicated row . PHP Developer’s Dictionary IT-SC book. which is available in PHP 3.0 and higher, returns the number of the given field_name in the result set identified by the result_id parameter. pg_fieldprtlen() Syntax PHP Developer’s Dictionary