Example 1
Copy code The code is as follows:
PHP function specifies default value - www.jbxue.com
function printMe($param = NULL)
{
print $param;
}
printMe("This is test");
printMe();
?>
Output result:
This is test
Example 2 Example of using default values of php function parameters, setting and using default values in php function parameters.
Copy code The code is as follows:
< ;title>php function parameter default value - www.jbxue.com
function textonweb ($content, $ fontsize=3){
echo "$content";
}
textonweb ("A
", 7);
textonweb ("AA.
");
textonweb ("AAA.
");
textonweb ("AAAA!
");
?>
http://www.bkjia.com/PHPjc/621702.htmlwww.bkjia.comtruehttp: //www.bkjia.com/PHPjc/621702.htmlTechArticleExample 1 Copy the code The code is as follows: html head titlephp function specifies the default value-www.jbxue.com/title /head body ?php function printMe($param = NULL) { print $param; } printMe("This is test"...
Statement:The content of this article is voluntarily contributed by netizens, and the copyright belongs to the original author. This site does not assume corresponding legal responsibility. If you find any content suspected of plagiarism or infringement, please contact admin@php.cn