PHP defines a parameter with default values for function instance Analysis _php Tutorial

PHP defines a function instance analysis with default values for a parameter

This article mainly introduces the PHP definition of a parameter with a default value of the function, the example analysis of the PHP parameters with the default value of the function of the use of skills, the need for friends can refer to the next

In this paper, we analyze the function usage of PHP to define a parameter with default value. Share to everyone for your reference. The specific analysis is as follows:

The function parameter of PHP can specify a default value, after the default value is specified, if the parameter is not assigned a value when called, the parameter will use the default value

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Function capitalize ($STR, $each =true) { $str = Strtolower ($STR); if ($each = = = TRUE) {$str = Ucwords ($STR); } else { $str = Strtoupper ($STR); } Echo ("$str "); } Capitalize ("HEllo world!"); Capitalize ("HEllo world!", FALSE); ?>

I hope this article is helpful to everyone's PHP programming.

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