Function_PHP Tutorial

​ A function can be defined using the following syntax
function foo ($arg_1, $arg_2, ..., $arg_n) {
echo "Example function.";
return $retval;
}
Any valid PHP code can appear in a function, even other function or class definitions.
Functions must be defined before they are referenced.

http://www.bkjia.com/PHPjc/445573.htmlwww.bkjia.comtruehttp: //www.bkjia.com/PHPjc/445573.htmlTechArticleA function can be defined using the following syntax: function foo ($arg_1, $arg_2, ..., $arg_n) { echo Example function.; return $retval; } Any valid PHP code can appear in...