Displaying average ratingdisp.php Here we just collect the rating and number of votes given from the two fields ( rating, nov ) from the table content_rating. We will be displaying the average value of the ratings given so we will divide total rating by number of votes. To give a better output we will format the result to two decimal places. You can change this formatting as per your requirement. Here is the code to display the average rating
After formatting we can display the value but we will try little more. We will display images in terms of number of stars showing the average rating the content got. For example we will display 2 full starts and 3 half stars to represent a rating of 2.34 within a scale of 1 to 5. We have two start images one showing full star and other showing half star. Here after rounding the average score to nearest integer we will be using one for loop to display full star images, then from that value of $i we will be displaying half star images till 5. Here is the code to do that .
The above code can be modified to get formatted average value from MySQL table itself and there is no need to format in php side. You can read the details on MySQL data format here. The modified code is given here. Note that you can use any one of them for your displaying the ratings.
That is the end of our rating script. We can add more features like flood interval, IP checking etc to the script.
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