Page 170 - 2633 Trackpad Pro V5.1 Class 7
P. 170
echo "a is greater than b: ", var_dump($a>$b);
echo "<br>a is less than b: ", var_dump($a==$b);
echo "<br>a is equal to b: ", var_dump($a>=$b);
?>
</BODY>
</HTML>
Note that var_dump() function is used to evaluate the relational operators. We get the following
output when executing the preceding script:
Logical operators: They are used to combine multiple conditions and evaluate them. They
return a Boolean value 'True' or 'False' as output. Logical operators of PHP are AND(&&), OR (||),
XOR(^), NOT(!). Let us create a PHP script to use some of the logical operators.
<HTML>
<HEAD> <TITLE> Using Variables </TITLE> </HEAD>
<BODY>
<?php
$a = true;
$b = false;
echo var_dump($a and $b);
echo "<br>",var_dump($a or $b);
echo "<br>",var_dump($a xor $b);
?>
</BODY>
</HTML>
Note that var_dump() function is used to evaluate the logical operators. We get the following
output when executing the preceding script:
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