<?php
// Runs in PHP7, not PHP5
// Coercive mode
function sumOfInts(int ...$ints)
{
return array_sum($ints);
}
?>
<html>
<body style="font-size: 14pt;">
<img src="static/logo150.png"/>
Hello, <?php
echo $_SERVER['REMOTE_ADDR'];
?>
<p>
It is now <?php
echo date(DATE_RFC2822);
?>
<p>
Welcome to PHP<?php
echo sumOfInts(1, '2', 4);
?>
<a href="http://php.net/">PHP</a>,
running on a
<a href="http://rumpkernel.org">rump kernel</a>...
<p>
Try <a href="phpinfo.php">phpinfo()</a>.
</body>
</html>
<?php
// Coercive mode
function sumOfInts(int ...$ints)
{
return array_sum($ints);
}
var_dump(sumOfInts('21', '3*', 4.1));
// int(9)
<?php
/**
* This kind of function declaration allows to pass as many parameters as we want
* In PHP this is known as scalar type functions, an aproximation to the partials functions
**/
// Coercive mode
function sumOfInts(int ...$ints)
{
return array_sum($ints);
}
var_dump(sumOfInts(2, '3', 4.1, 20));
<head>
<meta charset="UTF-8">
<title>Scalar Type Declarations</title>
<link rel="stylesheet" type="text/css" href="../style.css">
<script src="../jquery.min.js" type="text/javascript" charset="utf-8"></script>
<script src="../action.js" type="text/javascript" charset="utf-8"></script>
</head>
<body>
<h2>Coercive</h2>
<pre>
// Coercive mode
function sumOfInts(int ...$ints)
{
return array_sum($ints);
}
var_dump(sumOfInts(2, '3', 4.1));
</pre>
<input id="display" type="button" value="Show" onclick="show('coercive');">
<div class="code coercive">
<?php
function sumOfInts(int ...$ints)
{
return array_sum($ints);
}
var_dump(sumOfInts(2, '3', 4.1));
?>
</div>
</body>
</html>
<?php
declare (strict_types=1);
function sumOfInts(int ...$ints)
{
return array_sum($ints);
}
sumOfInts(2, '3', 4.1);
