maxdb_field_count (PECL)
maxdb_field_count
(no version information, might be only in CVS)
maxdb->field_count -- Returns the number of columns for the most recent query
Description Procedural style:
int
maxdb_field_count ( resource link )
Object oriented style (method):
class
maxdb {
int
field_count ( void )
}
Returns the number of columns for the most recent query on the connection
represented by the link parameter. This function
can be useful when using the maxdb_store_result()
Return values An integer representing the number of fields in a result set
Example
Przykład 1. Object oriented style
<?php = new maxdb ( "localhost" , "MONA" , "RED" , "DEMODB" ); maxdb_report ( MAXDB_REPORT_OFF ); $maxdb -> query ( "DROP TABLE friends" ); maxdb_report ( MAXDB_REPORT_ERROR ); $maxdb -> query ( "CREATE TABLE friends (id int, name varchar(20))" ); $maxdb -> query ( "INSERT INTO friends VALUES (1,'Hartmut')" ); $maxdb -> query ( "INSERT INTO friends VALUES (2, 'Ulf')" ); $maxdb -> field_count ()) { /* this was a select/show or describe query */ $result = $maxdb -> store_result (); /* process resultset */ $row = $result -> fetch_row (); /* free resultset */ $result -> close (); /* close connection */ $maxdb -> close (); ?>
Przykład 2. Procedural style
<?php = maxdb_connect ( "localhost" , "MONA" , "RED" , "DEMODB" ); maxdb_report ( MAXDB_REPORT_OFF ); maxdb_query ( $link , "DROP TABLE friends" ); maxdb_report ( MAXDB_REPORT_ERROR ); maxdb_query ( $link , "CREATE TABLE friends (id int, name varchar(20))" ); maxdb_query ( $link , "INSERT INTO friends VALUES (1,'Hartmut')" ); maxdb_query ( $link , "INSERT INTO friends VALUES (2, 'Ulf')" ); maxdb_field_count ( $link )) { /* this was a select/show or describe query */ $result = maxdb_store_result ( $link ); /* process resultset */ $row = maxdb_fetch_row ( $result ); /* free resultset */ maxdb_free_result ( $result ); /* close connection */ maxdb_close ( $link ); ?>
The above example produces no output.
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G:0,M:0,Y:0
