PHP and MYSQL Web Development manual by Welling and Thompson states  that logical operators are as follows:

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Operator        Name        Use                 Result
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                   NOT           !$b                 Returns true if $b is false and vice versa

&&                AND          $a && $b       Returns true if both $ a and $b are true; otherwise false

| |                    OR             $a | | $b           Returns true if either $ a or $b are true; otherwise false

and               AND          $a and $b        Same as && but with lower precedence

or               OR            $a or $b          Same as | | but with lower precedence
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Just wanted to touch on the matter of the little fact that " and " and " or " can be used in PHP but the order of precedence.

Hope this is helpful

¬¬Chuck¬¬

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