Tienda para Venta de Productos Digitales, pago con Paypal y Descarga Automática
Generalidades del Proyecto Se propone una web con su panel de control específico para que usted suba sus productos digitales, sean en formato .doc ,
Classes and Objects
The Basics class Basic class definitions begin with the keyword class, followed by a class name, followed by a pair of curly braces which enclose
Internal (built-in) functions
PHP comes standard with many functions and constructs. There are also functions that require specific PHP extensions compiled in, otherwise fatal «undefined function» errors will
Variable functions on PHP
PHP supports the concept of variable functions. This means that if a variable name has parentheses appended to it, PHP will look for a function
Returning values
Values are returned by using the optional return statement. Any type may be returned, including arrays and objects. This causes the function to end its
Function arguments
Information may be passed to functions via the argument list, which is a comma-delimited list of expressions. PHP supports passing arguments by value (the default),
Example , Recursive functions on PHP
<?php function recursion($a) { if ($a < 20) { echo «$a\n»; recursion($a + 1); } } ?>
Example , Functions within functions
<?php function foo() { function bar() { echo «I don’t exist until foo() is called.\n»; } } /* We can’t call bar() yet since it
example ,Conditional functions on PHP
<?php $makefoo = true; /* We can’t call foo() from here since it doesn’t exist yet, but we can call bar() */ bar(); if ($makefoo)
include function on PHP
The include() statement includes and evaluates the specified file. The documentation below also applies to require(). Files are included based on the file path given