PHP specifies the default value of function parameter sample code_PHP tutorial

Example 1

Copy code The code is as follows:

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"...