PHP weighted average calculation method

This article mainly introduces the PHP weighted average calculation method, which involves the related skills of php arithmetic calculation and has some reference value. For more information, see

This article mainly introduces the PHP weighted average calculation method, which involves the related skills of php arithmetic calculation and has some reference value. For more information, see

This example describes how to calculate the weighted average in PHP. Share it with you for your reference. The details are as follows:

<? Php session_start (); $ course_number = $ _ POST ["course_number"]; $ _ SESSION ["course_number"] = $ course_number; $ m = 0; echo ""."
";?>

<? Php session_start (); $ score = array (); $ balance = array (); $ sum = 0; $ total_score = 0; $ result = 0; for ($ I = 0; $ I <$ _ SESSION ["course_number"]; $ I ++) {$ score [$ I] = $ _ POST ["course ". $ I] ;}for ($ I = 0; $ I <$ _ SESSION ["course_number"]; $ I ++) {$ balance [$ I] =_ _ POST ["credit ". $ I] ;}for ($ I = 0; $ I <$ _ SESSION ["course_number"]; $ I ++) {$ sum = $ sum + $ score [$ I] * $ balance [$ I];} for ($ I = 0; $ I <$ _ SESSION ["course_number"]; $ I ++) {$ total_score = $ total_score + $ balance [$ I]; echo $ total_score."
";}$ Result = $ sum/$ total_score; echo" Your weighted average is: ". $ result;?>

I hope this article will help you with php programming.

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