(PHP 4, PHP 5)
mysql_num_rows — 取锟矫斤拷锟斤拷锟斤拷锟斤拷械锟斤拷锟侥�
$result
) : intmysql_num_rows() 锟斤拷锟截斤拷锟斤拷锟斤拷锟斤拷械锟斤拷锟侥匡拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷 SELECT 锟斤拷锟斤拷锟叫э拷锟揭★拷帽锟� INSERT锟斤拷UPDATE 锟斤拷锟斤拷 DELETE 锟斤拷询锟斤拷影锟届到锟斤拷锟叫碉拷锟斤拷目锟斤拷锟斤拷 mysql_affected_rows()锟斤拷
Example #1 mysql_num_rows() 锟斤拷锟斤拷
<?php
$link = mysql_connect("localhost", "mysql_user", "mysql_password");
mysql_select_db("database", $link);
$result = mysql_query("SELECT * FROM table1", $link);
$num_rows = mysql_num_rows($result);
echo "$num_rows Rows\n";
?>
Note:
锟斤拷锟绞癸拷锟� mysql_unbuffered_query()锟斤拷锟斤拷直锟斤拷锟斤拷锟斤拷锟斤拷械锟斤拷锟斤拷锟斤拷卸锟斤拷锟斤拷锟饺★拷锟� mysql_num_rows() 锟斤拷锟杰凤拷锟斤拷锟斤拷确锟斤拷值锟斤拷
锟轿硷拷 mysql_affected_rows()锟斤拷mysql_connect()锟斤拷mysql_data_seek()锟斤拷mysql_select_db() 锟斤拷 mysql_query()锟斤拷
为锟斤拷锟铰硷拷锟斤拷锟斤拷然锟斤拷锟斤拷使锟斤拷 mysql_numrows()锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷