Comparison Operators : Comparison Operators « Operator « PHP
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- Comparison Operators
Comparison Operators
example name result
$a == $b Equal True if $a is equal to $b.
$a === $b Identical True if $a is equal to $b, and they are of the same type. (PHP4 only)
$a != $b Not equal True if $a is not equal to $b.
$a < $b Less than True if $a is strictly less than $b.
$a > $b Greater than True if $a is strictly greater than $b.
$a <= $b Less than or equal to True if $a is less than or equal to $b.
$a >= $b Greater than or equal to True if $a is greater than or equal to $b.
<?php
$a = ("PHP"=="PHP")? "true":"false";
$b = ("PHP"=="PERL")?"true":"false";
$c = (1.785==1.785)? "true":"false";
$d = (5 != 5)?"true":"false";
$e = (true == true)?"true":"false";
$f = (false != false)?"true":"false";
$g = (100<200)?"true":"false";
$h = (100<100)?"true":"false";
$i = (100<=100)?"true":"false";
$j = ( -1 > 1 )?"true":"false";
$result = "TEST STRINGS \$a:$a \$b:$b<br>";
$result .= "TEST NUMBERS \$c:$c \$d:$d<br>";
$result .= "TEST BOOLEANS \$e:$e \$f:$f<br>";
$result .= "TEST LESS THAN \$g:$g \$h:$h<br>";
$result .= "TEST LESS THAN OR EQUAL \$i:$i<br>";
$result .= "TEST GREATER THAN \$j:$j";
?>
<html>
<head>
<title>Comparison Operators</title>
</head>
<body>
<?php echo( $result ); ?>
</body>
</html>
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