| Example | Name | Result |
|---|---|---|
| $a and $b | And | TRUE if both $a and $b are TRUE. |
| $a or $b | Or | TRUE if either $a or $b is TRUE. |
| $a xor $b | Xor | TRUE if either $a or $b is TRUE, but not both. |
| ! $a | Not | TRUE if $a is not TRUE. |
| $a && $b | And | TRUE if both $a and $b are TRUE. |
| $a || $b | Or | TRUE if either $a or $b is TRUE.` |
Check out this example
<?php
$a=TRUE; //1
$b=FALSE;//null 0
Echo “A has:”.(bool)$a;
echo”B has:”.(bool)$b;
echo “A AND B has: “;
echo $a && $b;
echo “A OR B has: “;
echo $a || $b;
?>