डिप्लोमा इन ऑफिस मैनेजमेंट एण्ड अकाउटिंग

डिप्लोमा इन ऑफिस मैनेजमेंट एण्ड अकाउटिंग

Full Stack Web Development with Laravel

Full Stack Web Development with Laravel

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PHP Operators

Operators are used to calculating values.

  • Arithmetic Operators
  • Relational Operators
  • Logical Operators

Arithmetic operators

+ To add two number 2+3=5
To subtract two number 3-2=1
* To multiply number 3*2=6
/ To divide the number, return the quotient 3/2=1.5
% To divide the number, return the remainder 3/2= 1
List of arithmetic operators

Example

<?php
echo 2+3;
echo 3-2;
echo 3*2;
echo 3/2;
echo 3%2;
?>

Relational operators

These operators are used to check the relation between two operands for one operand is less, less than or equal, greater, greater than or equal, etc.

Note:
Relational operators return boolean value (true/false)

Return true if left side operand is less than right side operand otherwise false
<= Return true if left side operand is less than or equal to right-side operand otherwise false
Return true if left side operand is greater than right-side operand otherwise false
>= Return true if left side operand is greater than or equal to right side operand otherwise false
!= Return true if left side operand is not equal to right side operand otherwise false
== Return true if left side operand is equal to right side operand otherwise false
List of relational operators

Example:

<?php
echo 2<3;
echo 2<=3;
echo 2>3;
echo 2>=3;
echo 2!=3;
echo 2==3;
?>

Logical operators

AND (&&) Return true if both conditions are true otherwise false
OR ( || ) Return true if one of the conditions from given conditions otherwise false
NOT ( ! ) Return true if the condition is false and false if the condition is true.
List of logical operators

Example:

<?php
echo 2>=3 && 2>=1;
echo 2>=5 || 2>1;
if(! 2>3){
   echo "True";
}else{
   echo "False";
}
?>
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