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PHP5中文手册
maxdb_field_countmaxdb->field_count(PECL maxdb:1.0-7.6.00.38) maxdb->field_count — Returns the number of columns for the most recent query 说明Procedural style:
int maxdb_field_count
( resource $link
)
Object oriented style (method): 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() function to determine if the query should have produced a non-empty result set or not without knowing the nature of the query. 返回值An integer representing the number of fields in a result set. 范例
Example#1 Object oriented style
<?php Example#2 Procedural style
<?php The above example produces no output. |