PHP Increment/ Decrement operators

PHP Increment/ Decrement operators

Increment/Decrement Operators :-

• Increment (++)
• Decrement (--)

PHP Increment/ Decrement operators

Example :-

<?php

// Example of increment operator

$a = 5;

echo "Original value of \$a: $a <br>";

$a++; // Increment $a by 1

echo "Value of \$a after incrementing: $a <br>";

// Example of decrement operator

$b = 10;

echo "Original value of \$b: $b <br>";

$b--; // Decrement $b by 1

echo "Value of \$b after decrementing: $b <br>";

?>

PHP Increment/ Decrement operators

Output :-

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 PHP String Operators 

PHP String Operators:

• Concatenation (.)
• Concatenation assignment (.=)

PHP String Operators:

Example :-

<?php

// Concatenation operator (.)

$string1 = "Hello";

$string2 = "World";

$result = $string1 . " " . $string2;

echo $result;

?>

PHP String Operators

Output :-

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   PHP logical operators 

Logical Operators:

• AND (&& or and)
• OR (|| or or)
• NOT (! or not)
• XOR (exclusive OR) (xor)

 PHP logical operators 

Example :-

<?php

$a=10;

$b=5;

$c=20;

$d=20;

var_dump(($a<$c)&&($c==$d)&&($b<$c));//true

var_dump(!(($a<$c)&&($c==$d)&&($b<$c)));//false

var_dump(($a>$d)||($b<$c));//true

?>

 logical operators php

Output

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PHP Arithmetic Operators

 PHP Arithmetic Operators 

Arithmetic Operators:

• Addition (+)
• Subtraction (-)
• Multiplication (*)
• Division (/)
• Modulus (%)
• Exponentiation (**)

Arithmetic Operators php

Example :-

<?php

$no1 = 20;

$no2 =5;

//ope

$add =$no1 + $no2;

$sub= $no1 - $no2;

$multi= $no1 *$no2;

$divi =$no1 / $no2;

$remainder = $no1 % $no2;

//out

echo "Addition =".$add;

echo"<br>subtraction =".$sub;

echo "<br> multiplication =".$multi;

echo "<br> division=".$divi;

echo"<br> remainder = ".$remainder;

?>

Arithmetic Operators php

Output :-

Addition =25
subtraction =15
multiplication =100
division=4
remainder = 0

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 PHP Assignment Operators

PHP Assignment Operators

• Assignment (=)
• Addition assignment (+=)
• Subtraction assignment (-=)
• Multiplication assignment (*=)
• Division assignment (/=)
• Modulus assignment (%=)

php Assignment Operators :

Example:-

<?php

// Assignment Operations in PHP

// Addition

$x = 5;

$y = 3;

$x += $y; // Equivalent to: $x = $x + $y;

echo "Addition :  = $x\n";

// Subtraction

$x = 10;

$y = 4;

$x -= $y; // Equivalent to: $x = $x - $y;

echo "Subtraction: = $x\n";

// Multiplication

$x = 6;

$y = 2;

$x *= $y; // Equivalent to: $x = $x * $y;

echo "Multiplication : = $x\n";

// Division

$x = 16;

$y = 4;

$x /= $y; // Equivalent to: $x = $x / $y;

echo "Division : = $x\n";

// Modulus

$x = 17;

$y = 5;

$x %= $y; // Equivalent to: $x = $x % $y;

echo "Modulus : = $x\n";

// Concatenation(for strings)

$str1 = "Hello, ";

$str2 = "World!";

$str1 .= $str2; // Equivalent to: $str1 = $str1 . $str2;

echo "Concatenation : $str1\n";

?>

Assignment Operators php :

Output :-

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