PHP Unconference Europe 2015

ReflectionFunction::__construct

(PHP 5)

ReflectionFunction::__constructConstructs a ReflectionFunction object

Descrierea

public ReflectionFunction::__construct ( mixed $name )

Constructs a ReflectionFunction object.

Parametri

name

The name of the function to reflect or a closure.

Valorile întoarse

Nu este întoarsă nici o valoare.

Erori/Excepții

A ReflectionException if the name parameter does not contain a valid function.

Istoria schimbărilor

Versiunea Descriere
5.3.0 name can now be a closure.

Exemple

Example #1 ReflectionFunction::__construct() example

<?php
/**
 * A simple counter
 *
 * @return    int
 */
function counter1()
{
    static 
$c 0;
    return ++
$c;
}

/**
 * Another simple counter
 *
 * @return    int
 */
$counter2 = function()
{
    static 
$d 0;
    return ++
$d;

};

function 
dumpReflectionFunction($func)
{
    
// Print out basic information
    
printf(
        
"\n\n===> The %s function '%s'\n".
        
"     declared in %s\n".
        
"     lines %d to %d\n",
        
$func->isInternal() ? 'internal' 'user-defined',
        
$func->getName(),
        
$func->getFileName(),
        
$func->getStartLine(),
        
$func->getEndline()
    );

    
// Print documentation comment
    
printf("---> Documentation:\n %s\n"var_export($func->getDocComment(), 1));

    
// Print static variables if existant
    
if ($statics $func->getStaticVariables())
    {
        
printf("---> Static variables: %s\n"var_export($statics1));
    }
}

// Create an instance of the ReflectionFunction class
dumpReflectionFunction(new ReflectionFunction('counter1'));
dumpReflectionFunction(new ReflectionFunction($counter2));
?>

Exemplul de mai sus va afișa ceva similar cu:

===> The user-defined function 'counter1'
     declared in Z:\reflectcounter.php
     lines 7 to 11
---> Documentation:
 '/**
 * A simple counter
 *
 * @return    int
 */'
---> Static variables: array (
  'c' => 0,
)


===> The user-defined function '{closure}'
     declared in Z:\reflectcounter.php
     lines 18 to 23
---> Documentation:
 '/**
 * Another simple counter
 *
 * @return    int
 */'
---> Static variables: array (
  'd' => 0,
)

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