Star Triangle10 Mar 2025 | 1 min read The star triangle in PHP is made using for and foreach loop. There are a lot of star patterns. We'll show some of them here. Pattern 1 ExampleExecute NowOutput:  Pattern 2 ExampleExecute NowOutput:  Pattern 3 ExampleExecute NowOutput:  Pattern 4 ExampleExecute NowOutput:  Pattern 5 ExampleExecute NowOutput:  Pattern 6 ExampleExecute NowOutput:  Next TopicPHP Functions |
Factorial Program The factorial of a number n is defined by the product of all the digits from 1 to n (including 1 and n). For example, 4! = 4*3*2*1 = 24 6! = 6*5*4*3*2*1 = 720 Note: It is denoted by n! and is calculated only for positive integers. Factorial of...
2 min read
Armstrong Number An Armstrong number is the one whose value is equal to the sum of the cubes of its digits. 0, 1, 153, 371, 407, 471, etc are Armstrong numbers. For example, 407 = (4*4*4) + (0*0*0) + (7*7*7) = 64...
2 min read
Number Triangle Number triangle in PHP can be printed using for and foreach loop. There are a lot of patterns in number triangle. Some of them are show here. Pattern1 Example <?php $k=1; for($i=0;$i<4;$i++){ for($j=0;$j<=$i;$j++){ echo $k." "; $k++; } echo "<br>"; } ?> Execute Now Output: Pattern 2 Example <?php $k=1; for($i=0;$i<5;$i++){ for($j=0;$j<=$i;$j++){ if($j%2==0) { $k=0; } else { $k=1; } echo $k." "; } echo "<br>"; } ?> Execute Now Output: Pattern 3 Example <?php for($i=0;$i<=5;$i++){ for($j=1;$j<=$i;$j++){ echo $j; } echo "<br>"; } ?> Execute Now Output: Pattern 4 Example <?php for($i=0;$i>=5;$i++){ for($j=1;$j>=$i;$j++){ echo $i; } echo "<br>"; } ?< Execute...
1 min read
Alphabet Triangle Method There are three methods to print the alphabets in a triangle or in a pyramid form. range() with for loop chr() with for loop range() with foreach loop Logic: Two for loops are used. First for loop set conditions to print 1 to 5 rows. Second for loop set conditions...
1 min read
Reverse String A string can be reversed either using strrev() function or simple PHP code. For example, on reversing JAVATPOINT it will become TNIOPTAVAJ. Logic: Assign the string to a variable. Calculate length of the string. Declare variable to hold reverse string. Run for loop. Concatenate string inside for loop. Display reversed string. Reverse String...
1 min read
Area of a Rectangle Area of a rectangle is calculated by the mathematical formula, Length ∗ Breadth = Area Logic: Take two variables. Multiply both of them. Area of Rectangle in PHP Program to calculate area of rectangle with length as 14 and width as 12 is shown. Example: Example <?php $length = 14; $width...
1 min read
Palindrome Number A palindrome number is a number which remains same when its digits are reversed. For example, number 24142 is a palindrome number. On reversing it we?ll get the same number. Logic: Take a number. Reverse the input number. Compare the two numbers. If equal, it means number is palindrome Palindrome Number...
1 min read
Even Odd Program Even numbers are those which are divisible by 2. Numbers like 2,4,6,8,10, etc are even. Odd numbers are those which are not divisible by 2. Numbers Like 1, 3, 5, 7, 9, 11, etc are odd. Logic: Take a number. Divide it by 2. If the remainder is...
1 min read
Sum of Digits To find sum of digits of a number just add all the digits. For example, 14597 = 1 + 4 + 5 + 9 + 7 14597 = 26 Logic: Take the number. Divide the number by 10. Add the remainder to a variable. Repeat the process until remainder is 0. Example: Given...
1 min read
Adding Two Numbers There are three methods to add two numbers: Adding in simple code in PHP Adding in form in PHP Adding without using arithmetic operator (+). Adding in Simple Code Addition of two numbers 15 and 30 is shown here. Example: Example <?php $x=15; $y=30; $z=$x+$y; echo "Sum: ",$z; ?> Execute Now Output: Adding in Form Two numbers can be added...
1 min read
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