php specifies the default values for the function parameters in the sample code
- 2020-12-05 17:08:34
- OfStack
Case 1
<html>
<head>
<title>php The function specifies the default value -www.ofstack.com</title>
</head>
<body>
<?php
function printMe($param = NULL)
{
print $param;
}
printMe("This is test");
printMe();
?>
</body>
</html>
Output results:
This is test
Example 2 An example of using default values for php function arguments, set and use default values in php function arguments.
<html>
<head>
<title>php Default values for function parameters - www.ofstack.com</title>
</head>
<body>
<?php
function textonweb ($content, $fontsize=3){
echo "<font SIZE=$fontsize>$content</font>";
}
textonweb ("A <br />", 7);
textonweb ("AA.<br />");
textonweb ("AAA. <br />");
textonweb ("AAAA! <br />");
?>
</body>
</html>