php 三元和速记PHP

Posted 2021-05-05

<?php
	$loggedIn =  false;
	$arr = [1,2,3,4,5];
	/*
	if($loggedIn){
		echo 'You are logged in';
	} else {
		echo 'You are NOT logged in';
	}


	//echo ($loggedIn) ? 'You are logged in' : 'You are NOT logged in';

	$isRegistered = ($loggedIn == true) ? true : false;
	echo $isRegistered;

	$age = 7;
	$score = 12;

	echo 'Your score is: '.($score > 10 ? ($age > 10 ? 'Average': 'Exceptional'):($age > 10 ? 'Horrible':'Average'));
	*/

?>

<div>
<?php if($loggedIn) { ?>
	<h1>Welcome User</h1>
<?php } else { ?>
	<h1>Welcome Guest</h1>
<?php } ?>
</div>

<div>
<?php if($loggedIn): ?>
	<h1>Welcome User</h1>
<?php else: ?>
	<h1>Welcome Guest</h1>
<?php endif; ?>
</div>

<div>
	<?php foreach($arr as $val): ?>
		<?php echo $val; ?>
	<?php endforeach; ?>
</div>

<div>
<?php for($i = 0;$i < 10;$i++): ?>
	<li><?php echo $i; ?></li>
<?php endfor; ?>
</div>