Adding Two Numbers10 Mar 2025 | 1 min read There are three methods to add two numbers:
Adding in Simple CodeAddition of two numbers 15 and 30 is shown here. Example: ExampleExecute NowOutput: ![]() Adding in FormTwo numbers can be added by passing input value in the form. Example: ExampleExecute NowOutput: ![]() Adding in Simple CodeTwo numbers can be added by passing input value in the form but without using (+) operator. ExampleExecute NowOutput: ![]() Next TopicSubtracting Two Numbers |
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...
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Prime Number A number which is only divisible by 1 and itself is called prime number. Numbers 2, 3, 5, 7, 11, 13, 17, etc. are prime numbers. 2 is the only even prime number. It is a natural number greater than 1 and so 0 and 1...
1 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...
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Leap Year Program A leap year is the one which has 366 days in a year. A leap year comes after every four years. Hence a leap year is always a multiple of four. For example, 2016, 2020, 2024, etc are leap years. Leap Year Program This program states...
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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...
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Swapping two numbers Two numbers can be swapped or interchanged. It means first number will become second and second number will become first. For example a = 20, b = 30 After swapping, a = 30, b = 20 There are two methods for swapping: By using third variable. Without using third variable. Swapping...
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Reverse number A number can be written in reverse order. For example 12345 = 54321 Logic: Declare a variable to store reverse number and initialize it with 0. Multiply the reverse number by 10, add the remainder which comes after dividing the number by 10. Reversing Number in PHP Example: Below progrem shows digits...
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Alphabet Triangle Pattern Some different alphabet triangle patterns using range() function in PHP are shown below. Pattern 1 Example <?php $alpha = range('A', 'Z'); for($i=0; $i<5; $i++){ for($j=5; $j>$i; $j--){ echo $alpha[$i]; } echo "<br>"; } ?> Execute Now Output: Pattern 2 Example <?php $alpha = range('A', 'Z'); for($i=0;...
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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...
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Table of Number A table of a number can be printed using a loop in program. Logic: Define the number. Run for loop. Multiply the number with for loop output. Example: We'll print the table of 7. Example <?php define('a', 7); for($i=1; $i<=10; $i++) { echo $i*a; echo '<br>';...
1 min read
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