return

Si se llama desde una funciÃ³n, return() termina inmediatamente la ejecuciÃ³n de la funciÃ³n y retorna su argumento como valor de la funciÃ³n. return() tambien terminarÃ¡ la ejecuciÃ³n de una sentencia eval()Ã³ un script PHP.

Si el script actual ha sido incluido Ã³ requerido con include() Ã³ require(), el control es transferido al script que llamo al script incluido. AdemÃ¡s, si el script actual fue incluido, el valor dado a return() serÃ¡ retornado como el valor de la llamada include(). Si return() es invocado desde el script principal, la ejecuciÃ³n terminara inmediatamente. Si el script actual fue incluido con las opciones de configuraciÃ³n auto_prepend_file Ã³ auto_append_file, la ejecuciÃ³n terminara inmediatamente.

Para mÃ¡s informaciÃ³n, consultar Retornando valores.

Nota: Tener en cuenta que ya que return() es un constructor del lenguaje y no una funciÃ³n, los parÃ©ntesis alrededor de sus argumentos, son solo necesarios si el argumento contiene una expresion, no se suelen utilizar tan a menudo, cuando retornan una variable.

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return

jasper at jtey dot com
25-May-2006 11:54


You can use alternate "if statement" syntax within a return statement itself:



<?php

// Return the minimum of two numbers

function min($a, $b){

  return $a < $b ? $a : $b;

}

?>

warhog at warhog dot net
18-Dec-2005 12:28


for those of you who think that using return in a script is the same as using exit note that: using return just exits the execution of the current script, exit the whole execution.



look at that example:



a.php

<?php

include("b.php");

echo "a";

?>



b.php

<?php

echo "b";

return;

?>



(executing a.php:) will echo "ba".



whereas (b.php modified):



a.php

<?php

include("b.php");

echo "a";

?>



b.php

<?php

echo "b";

exit;

?>



(executing a.php:) will echo "b".

mike at uwmike dot com
06-Dec-2005 09:25


If you have a class file that's getting out of control, you can set it up like so:



<?php

class myClass {

  function do_this($a, $b) { return require(myClass_do_this.php); }

  function do_that($a, $b, $c) { return require(myClass_do_that.php); }

}

?>



Might not be for everyone, but it's workable, readable, and keeps the source files shorter.

11-Aug-2005 07:42


If you like pickles, then it's good for you.

PackCat
10-Jun-2005 06:02


If you return a value that has not been set, or has been unset, the function will return that status instead. So,



<?php

$var1 = 1;

function unsetVar($var) {

    unset($var);

    return $var;

}

$var1 = unsetVar($var1); // this will unset $var1

?>



This is useful in situations where we want to conditionally proceed based on the output of a function; for example,

if (isset($fileListAsArray = functionGettingFileList())) {

    // our list exists, do whatever

} else . . . // report error

24-May-2005 08:44


If you are just wanting to get the current output printed to the browser (and continue execution), use flush().

16-Feb-2003 03:04


Use "exit()" to end all script execution for the current request. For HTTP requests, the response generated to that point will then be sent to the browser.

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MANUAL DE PHP

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return