🧠 ✅ Level 1: Basic (Indexed Arrays)
🔹 Q1
Create an indexed array of 5 fruits and print all values.
🔹 Q2
Print the second element of an array:
$colors = ["Red", "Green", "Blue", "Yellow"];🔹 Q3
Count total elements in an array and print the result.
🔹 Q4
Loop through an array using for loop and display all values.
🔹 Q5
Create an array of numbers and print only numbers greater than 10.
🧠 ✅ Level 2: Associative Arrays
🔹 Q6
Create an associative array of a student:
- name
- age
- course
Print all values.
🔹 Q7
Loop through associative array using foreach and print:
key = value
🔹 Q8
Find the highest value in this array:
$marks = ["Math" => 80, "Science" => 90, "English" => 75];🔹 Q9
Check if a key exists in an array.
🔹 Q10
Update a value in associative array (change age).
🧠 ✅ Level 3: Multidimensional Arrays
🔹 Q11
Create a multidimensional array of 3 students:
(name, age, course)
🔹 Q12
Print all student names using loop.
🔹 Q13
Print details in this format:
Aditya - BCA
Rahul - BSc🔹 Q14
Find the student with highest age.
🧠 ✅ Level 4: Array Functions
🔹 Q15
Sort an array in ascending order.
🔹 Q16
Sort an array in descending order.
🔹 Q17
Merge two arrays and print result.
🔹 Q18
Filter even numbers using array_filter().
🔹 Q19
Square all numbers using array_map().
🔹 Q20
Remove duplicate values from array.
🚀 ✅ Bonus (Important for Projects)
🔹 Q21
Create a simple search system:
- Array of names
- User inputs a name
- Check if it exists
🔹 Q22
Create a marks calculator:
- Store marks in array
- Calculate total and average
🔹 Q23
Create a shopping cart system (basic):
- Add items to array
- Display all items
🎯 Challenge Questions (Advanced)
🔹 Q24
Sort associative array by values descending.
🔹 Q25
Convert this array:
["a", "b", "c"]into:
["a" => 1, "b" => 2, "c" => 3]🔹 Q26
Group numbers into:
- Even array
- Odd array
🔹 Q27
Find duplicate values in an array.
🔹 Q28
Flatten a multidimensional array into a single array.
💡 Teaching Tip
Give students:
- 🟢 Level 1–2 → Beginners
- 🟡 Level 3–4 → Intermediate
- 🔴 Bonus + Challenge → Advanced