Sample Code for specifying the default value of function parameters in php

In php programming, set the default value for the custom function. When you call this function, if you do not specify a value for the parameter, the parameter will be replaced by the default value. See the example below.

In php programming, set the default value for the custom function. When you call this function, if you do not specify a value for the parameter, the parameter will be replaced by the default value. See the example below.

Example 1

The Code is as follows:

Specify the default value for the php function-


Function printMe ($ param = NULL)
{
Print $ param;
}
PrintMe ("This is test ");
PrintMe ();
?>

Output result:
This is test

Example 2 use the default values of php function parameters. Set and use the default values in php function parameters.

The Code is as follows:

Default Value of php function parameters-


Function textonweb ($ content, $ fontsize = 3 ){
Echo "$ content ";
}
Textonweb ("
", 7 );
Textonweb ("AA.
");
Textonweb ("AAA.
");
Textonweb ("AAAA!
");
?>

,