Please help, Iarray sort not working |
Hello. Please somebody help..I want to arrange the foreach loop according to the highest number of average exam score.
I used rsort or sort array but it returns zero. see my code: <?php $this->db->where('class_id' , $class_id); $this->db->where('year' , $running_year); $this->db->from('subject'); $number_of_subjects = $this->db->count_all_results(); $average_score= ($total_marks / $number_of_subjects); rsort($average_score); echo(round($average_score,2)); ?> after i get the highest average score i want to rank it as 1st,2nd, 3rd.... Kindly help
rsort requires an array. You appear to be trying to sort a single variable. https://www.php.net/manual/en/function.rsort.php
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