(PECL maxdb >= 1.0)
Get the number of fields in a result
int maxdb_num_fields ( resource $result )
Procedural style
Object oriented style
int $maxdb_result->field_count;
maxdb_num_fields() returns the number of fields from specified result set.
Returns:
The number of fields from a result set
Examples:
Object oriented style
<?php $maxdb = new maxdb("localhost", "MONA", "RED", "DEMODB"); /* check connection */ if (maxdb_connect_errno()) { printf("Connect failed: %s\n", maxdb_connect_error()); exit(); } if ($result = $maxdb->query("SELECT * FROM hotel.city ORDER BY zip")) { /* determine number of fields in result set */ $field_cnt = $result->field_count; printf("Result set has %d fields.\n", $field_cnt); /* close result set */ $result->close(); } /* close connection */ $maxdb->close(); ?>
Procedural style
<?php $link = maxdb_connect("localhost", "MONA", "RED", "DEMODB"); /* check connection */ if (maxdb_connect_errno()) { printf("Connect failed: %s\n", maxdb_connect_error()); exit(); } if ($result = maxdb_query($link, "SELECT * FROM hotel.city ORDER BY zip")) { /* determine number of fields in result set */ $field_cnt = maxdb_num_fields($result); printf("Result set has %d fields.\n", $field_cnt); /* close result set */ maxdb_free_result($result); } /* close connection */ maxdb_close($link); ?>
See also:
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