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PHP specifies the default value of function parameter sample code_PHP tutorial

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Release: 2016-07-13 17:18:06
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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!
");
?>


www.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"...
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