Operator

What It Means

Example

Evaluates To

&&

AND

$myvalue == $thisvalue && $myvalue=20 > $avalue

True

$myvalue && $avalue < $avalue

False

||

OR

$myvalue == $thisvalue || $myvalue < = $avalue

True

$myvalue > $thisvalue || $myvalue < = $avalue

False

!

NOT

!$myvalue

False

<=

is less than or equal to

$myvalue <= $avalue

False

Operator

What It Means

Expression

Evaluates To

==

is equal to

$myvalue == $avalue

False

!=

is not equal to

$myvalue != $avalue

True

>

is greater than

$myvalue > $avalue

True

<

is less than

$myvalue < $avalue

False

>

is greater than or equal to

$myvalue > $avalue

True

<

is less than or equal to

$myvalue < $avalue

False