Search results for: "lexikon::count()"

What is the purpose of the method lexikon::count() in the provided PHP code, and how should it be correctly called?

The method lexikon::count() is used to count the number of elements in the lexikon class. To correctly call this method, you need to instantiate an ob...

What is the difference between using COUNT(typeid) and COUNT(*) in a SQL query in PHP?

When using COUNT(typeid), the query will only count the rows where the typeid column is not null. On the other hand, using COUNT(*) will count all row...

How can count() and mysql_num_rows() functions be utilized in PHP to count MySQL data?

To count MySQL data in PHP, you can use the count() function to count the number of elements in an array returned by a MySQL query, or you can use the...

What is the difference between using COUNT(*) and COUNT(column) in a MySQL query for counting posts in PHP?

When counting posts in a MySQL query in PHP, using COUNT(*) will count all rows in a table regardless of null values in the specified column, while us...

What are the differences between using "Count" and "Count(distinct)" in a PHP MySQL query, and when should each be used?

When using "Count" in a MySQL query, it will count all rows that match the specified condition, including duplicates. On the other hand, "Count(distin...