Comparison operators are used to compare values in order to make decisions.
| Operator | Name | Example | Returns true when: |
| == | Equal | $a == $b | $a is equal to $b |
| != | Not equal | $a != $b | $a is not equal to $b |
| < | Less than | $a < $b | $a is less than $b |
| > | Greater than | $a > $b | $a is greater than $b |
| <= | Less or equal | $a <= $b | $a is less than or equal to $b |
| >= | Greater or equal | $a >= $b | $a is greater than or equal to $b |