Solve 50 PHP For Loop Programming Questions

Solve 50 PHP For Loop Programming Questions

Q1: Write a program to print numbers from 1 to 10 using a for loop.  
Input: None  
Expected Output:  
1 2 3 4 5 6 7 8 9 10

Q2: Write a program to print the first 10 even numbers using a for loop.  
Input: None  
Expected Output:  
2 4 6 8 10 12 14 16 18 20

Q3: Write a program to print the first 10 odd numbers using a for loop.  
Input: None  
Expected Output:  
1 3 5 7 9 11 13 15 17 19

Q4: Write a program to print the multiplication table of 5 using a for loop.  
Input: None  
Expected Output:  
5 x 1 = 5
5 x 2 = 10
5 x 3 = 15
5 x 4 = 20
5 x 5 = 25
5 x 6 = 30
5 x 7 = 35
5 x 8 = 40
5 x 9 = 45
5 x 10 = 50

Q5: Write a program to print numbers from 10 to 1 in reverse order using a for loop.  
Input: None  
Expected Output:  
10 9 8 7 6 5 4 3 2 1

Q6: Write a program to calculate the sum of numbers from 1 to 100 using a for loop.  
Input: None  
Expected Output:  
Sum = 5050

Q7: Write a program to calculate the factorial of a number using a for loop.  
Input: `5`  
Expected Output:  
Factorial = 120

Q8: Write a program to print all the characters of a string using a for loop.  
Input: `Hello`  
Expected Output:  
H
e
l
l
o

Q9: Write a program to print the squares of numbers from 1 to 5 using a for loop.  
Input: None  
Expected Output:  
1 4 9 16 25

Q10: Write a program to print the cubes of numbers from 1 to 5 using a for loop.  
Input: None  
Expected Output:  
1 8 27 64 125

Q11: Write a program to find the sum of even numbers from 1 to 50 using a for loop.  
Input: None  
Expected Output:  
Sum = 650

Q12: Write a program to find the sum of odd numbers from 1 to 50 using a for loop.  
Input: None  
Expected Output:  
Sum = 625

Q13: Write a program to count the number of vowels in a string using a for loop.  
Input: `Programming`  
Expected Output:  
Number of vowels = 3

Q14: Write a program to print all numbers divisible by 3 from 1 to 30 using a for loop.  
Input: None  
Expected Output:  
3 6 9 12 15 18 21 24 27 30

Q15: Write a program to print all numbers from 1 to 50 that are not divisible by 5 using a for loop.  
Input: None  
Expected Output:  
1 2 3 4 6 7 8 9 11 12 13 14 16 17 18 19 21 22 23 24 26 27 28 29 31 32 33 34 36 37 38 39 41 42 43 44 46 47 48 49

Q16: Write a program to calculate the product of numbers from 1 to 5 using a for loop.  
Input: None  
Expected Output:  
Product = 120

Q17: Write a program to reverse a string using a for loop.  
Input: `World`  
Expected Output:  
dlroW

Q18: Write a program to print the ASCII values of characters in a string using a for loop.  
Input: `ABC`  
Expected Output:  
A: 65
B: 66
C: 67

Q19: Write a program to print the Fibonacci series up to 10 terms using a for loop.  
Input: None  
Expected Output:  
0 1 1 2 3 5 8 13 21 34

Q20: Write a program to print a pattern of stars using a for loop (5 rows).  
Input: None  
Expected Output:  
*
**
***
****
*****

Q21: Write a program to calculate the sum of digits of a number using a for loop.  
Input: `12345`  
Expected Output:  
Sum = 15

Q22: Write a program to print numbers from 1 to 10 except 5 using a for loop.  
Input: None  
Expected Output:  
1 2 3 4 6 7 8 9 10

Q23: Write a program to check if a number is prime using a for loop.  
Input: `13`  
Expected Output:  
13 is a prime number.

Q24: Write a program to print the first N terms of the multiplication table of a given number.  
Input: `Number = 7, N = 5`  
Expected Output:  
7 x 1 = 7
7 x 2 = 14
7 x 3 = 21
7 x 4 = 28
7 x 5 = 35

Q25: Write a program to calculate the average of numbers from 1 to 10 using a for loop.  
Input: None  
Expected Output:  
Average = 5.5

Q26: Write a program to print all numbers from 1 to 100 that are divisible by both 3 and 5 using a for loop.  
Input: None  
Expected Output:  
15 30 45 60 75 90

Q27: Write a program to find the largest number in an array using a for loop.  
Input: `[3, 7, 2, 9, 5]`  
Expected Output:  
Largest number = 9

Q28: Write a program to find the smallest number in an array using a for loop.  
Input: `[3, 7, 2, 9, 5]`  
Expected Output:  
Smallest number = 2

Q29: Write a program to count the occurrences of a specific number in an array using a for loop.  
Input: Array: `[1, 2, 2, 3, 4, 2]`, Number: `2`  
Expected Output:  
Occurrences of 2 = 3

Q30: Write a program to check if a string is a palindrome using a for loop.  
Input: `madam`  
Expected Output:  
madam is a palindrome.

Q31: Write a program to print the sum of elements in an array using a for loop.  
Input: `[1, 2, 3, 4, 5]`  
Expected Output:  
Sum = 15

Q32: Write a program to print all the elements of an array in reverse order using a for loop.  
Input: `[1, 2, 3, 4, 5]`  
Expected Output:  
5 4 3 2 1

Q33: Write a program to count the number of digits in a given number using a for loop.  
Input: `12345`  
Expected Output:  
Number of digits = 5

Q34: Write a program to calculate the power of a number using a for loop.  
Input: Base: `2`, Exponent: `3`  
Expected Output:  
Result = 8

Q35: Write a program to print all numbers from 1 to 50 that are divisible by 7 but not divisible by 3 using a for loop.  
Input: None  
Expected Output:  
7 14 28 35 49

Q36: Write a program to print the GCD (Greatest Common Divisor) of two numbers using a for loop.  
Input: `Number1 = 18, Number2 = 24`  
Expected Output:  
GCD = 6

Q37: Write a program to print all the prime numbers between 1 and 50 using a for loop.  
Input: None  
Expected Output:  
2 3 5 7 11 13 17 19 23 29 31 37 41 43 47

Q38: Write a program to count how many elements in an array are greater than a given number using a for loop.  
Input: Array: `[1, 3, 7, 9, 2]`, Number: `5`  
Expected Output:  
Count = 2

Q39: Write a program to print a number pyramid of 5 rows using a for loop.  
Input: None  
Expected Output:  
1
22
333
4444
55555

Q40: Write a program to print the Fibonacci series up to a given number using a for loop.  
Input: `15`  
Expected Output:  
0 1 1 2 3 5 8 13

Q41: Write a program to check if an array is sorted in ascending order using a for loop.  
Input: `[1, 2, 3, 4, 5]`  
Expected Output:  
Array is sorted.

Q42: Write a program to calculate the average of elements in an array using a for loop.  
Input: `[10, 20, 30, 40, 50]`  
Expected Output:  
Average = 30

Q43: Write a program to count the number of uppercase letters in a string using a for loop.  
Input: `HeLLoWoRLd`  
Expected Output:  
Uppercase letters = 6

Q44: Write a program to count the number of lowercase letters in a string using a for loop.  
Input: `HeLLoWoRLd`  
Expected Output:  
Lowercase letters = 4

Q45: Write a program to print the reverse of a number using a for loop.  
Input: `12345`  
Expected Output:  
54321

Q46: Write a program to print all numbers from 1 to 100 that are divisible by either 4 or 6 using a for loop.  
Input: None  
Expected Output:  
4 6 8 12 16 18 20 24 28 30 32 36 40 42 44 48 52 54 56 60 64 66 68 72 76 78 80 84 88 90 92 96 100

Q47: Write a program to calculate the sum of squares of numbers from 1 to 10 using a for loop.  
Input: None  
Expected Output:  
Sum of squares = 385

Q48: Write a program to find the position of the largest number in an array using a for loop.  
Input: `[10, 20, 5, 40, 30]`  
Expected Output:  
Position = 4

Q49: Write a program to print the factorial of all numbers from 1 to 5 using a for loop.  
Input: None  
Expected Output:  
1! = 1
2! = 2
3! = 6
4! = 24
5! = 120

Q50: Write a program to print a diamond pattern of stars using nested for loops (5 rows).  
Input: None  
Expected Output:  
   *
  ***
 *****
*******
*********
*******
 *****
  ***
   *