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Lesson 25

Logical Operators

<?php

  /*
    Operators
    - Used To Perform Operations On Values.

    Logical Operators
    - Compare Conditions

    and => And => Two Are True
    &&  => And => Two Are True ["&&" Has A Greater Precedence Than "and"]
    or  => Or  => One Or Both Is True
    ||  => Or  => One Or Both Is True ["||" Has A Greater Precedence Than "or"]
    xor => Xor => One Is True But Not Both
    !   => Not => Not True
  */

  var_dump(100 > 50 and 100 > 80 and 100 > 90); // True
  echo '<br>';
  var_dump(100 > 50 && 100 > 80 && 100 > 100); // False
  echo '<br>';
  var_dump(100 > 50 or 100 > 110 or 100 > 100); // True
  echo '<br>';
  var_dump(100 > 50 xor 100 > 80);