php_training_day3_increment_decrement

<?php
/*

INCREMENT OPERATORS
++ $x   Pre-Increment Operator      Increment $x by one then return result
$x ++   Post-Increment Operator     Return the value of $x and increment of the value of $x

DECRENT OPERATOR
-- $x   Pre Decrement Operator      Decrement $x by one then return result
$x --   Post Decrement Operator     Return the value of $x then decrement

$x = 10;
echo ++$x;
echo $x++ . '<br />';
echo --$x;
echo '<br />';
echo $x-- . '<br />';
echo $x;
*/

/* LOGICAL OPERATORS
Logical operators are used to combine two conditional statements

AND    Returns True if both $x & $y are true
OR     Returns True either $x or $y is true
XOR    Returns True if either $x or $y is true but not both
&&     Returns True if both $x & $y are true
||     Returns True either $x or $y is true
!      True if $x is not true
*/
$a = true && true;
var_dump($a);
$b = true && false;
var_dump($b);
$c = false && false;
var_dump($c);
$a = true || false;
var_dump($a);
$b = true || true;
var_dump($b);
$c = false || false;
var_dump($c);