Search results for: "count() function"

What function can be used to count the number of rows returned by a query in PHP?

To count the number of rows returned by a query in PHP, you can use the `mysqli_num_rows()` function. This function returns the number of rows in a re...

What function in MySQL can be used to count rows based on a specific condition?

To count rows based on a specific condition in MySQL, you can use the `COUNT` function along with a `WHERE` clause to specify the condition. This allo...

What is the function in PHP used to count the number of characters in a variable?

To count the number of characters in a variable in PHP, you can use the `strlen()` function. This function returns the length of a string, which corre...

What are the advantages of using SQL's COUNT function over PHP's mysql_num_rows function for counting entries in a database?

When counting entries in a database, using SQL's COUNT function is more efficient and faster than using PHP's mysql_num_rows function. This is because...

How can substr_count() function in PHP be utilized to count occurrences of a specific sequence in a text?

To count occurrences of a specific sequence in a text using the substr_count() function in PHP, you can simply pass the text and the sequence you want...