Shulou(Shulou.com)06/01 Report--

This article mainly introduces php how to achieve a specified number of conditional information retrieval function, the article is very detailed, has a certain reference value, interested friends must read it!

Specify the quantity of conditional information retrieval function

/ / specified conditional information quantity retrieval function function rec_exist ($table,$where) {$query= "select count (*) as num from $table". $where;$result=mysql_query ($query) or die (nerror (1)); $rowcount=mysql_fetch_array ($result); $num=$rowcount ["num"]; if ($num==0) {return false;} return $num;}? > these are all the contents of the article "how php implements a specified conditional information quantity retrieval function". Thank you for reading! Hope to share the content to help you, more related knowledge, welcome to follow the industry information channel!

Welcome to subscribe "Shulou Technology Information " to get latest news, interesting things and hot topics in the IT industry, and controls the hottest and latest Internet news, technology news and IT industry trends.