<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<title> if_expression0.php </title>
<meta charset="UTF-8">
<meta name="Keywords" content="">
<meta name="Description" content="">
</head>
<body>
<?php
$expression=1;
if ($expression) {
?>
<strong>这是真的!</strong>
<?php
} else {
?>
<strong>这是假的!</strong>
<?php
}
?>
</body>
</html>
<!--
这是真的!
-->
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<title> if_expression.php </title>
<meta charset="UTF-8">
<meta name="Keywords" content="">
<meta name="Description" content="">
</head>
<body>
<?php
$expression=1;
if ($expression) {
?>
<strong>这是真的!</strong>
<?php
}
?>
<?php
else {
?>
<strong>这是假的!</strong>
<?php
}
?>
</body>
</html>
<!--
Parse error: syntax error, unexpected T_ELSE in D:\LearnWebDevelop\php\MyPhpExse\if_expression.php on line 21
-->
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