Can someone help me with these warnings? Code Below. //HW_Form_3.php Michael McCann Hw 3 Student Grades //HW_Process_3.php

Can someone help me with these warnings? Code Below.

//HW_Form_3.php

Michael McCann Hw 3

Student Grades

"; echo ""; echo ""; $grade_combo = "NoneA+AA-B+BB-C+CC-D+DD-F"; foreach($hw3data_array as $student) { echo ""; } echo ""; echo ""; echo "

Student Name	Student ID	Grade
" . $student[0] . ", " . $student[1] . "	" . $student[2] . "	" . "" . $grade_combo . "

"; echo ""; ?>

//HW_Process_3.php

echo "

"; echo ""; foreach($students_data as $student) { echo ""; array_pushs($student, $_POST[$student[0] . "_" . $student[1] . "_grade"]); } echo "

Student Name	Student ID	Grade
" . $student[0] . ", " . $student[1] . "	" . $student[1] . "	" . $_POST[$student[0] . "_" . $student[1] . "_grade"] . "

"; $grade_count = array("A+" => 0, "A" => 0, "A-" => 0, "B+" => 0, "B" => 0, "B-" => 0, "C+" => 0, "C" => 0, "C-" => 0, "D+" => 0, "D" => 0, "D-" => 0, "F" => 0, "None" => 0); foreach($students_data as $student) { $grade_count[$_POST[$student[0] . "_" . $student[1] . "_grade"]] += 1; } echo "
"; echo ""; echo "GradeCount"; foreach($grade_count as $grade => $count) { echo "" . $grade . "" . $count . ""; } echo ""; ?>