Revisions to How to call a function only once (global variable scope)

replaced http://stackoverflow.com/ with https://stackoverflow.com/

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edited May 23, 2017 at 12:40

1

function my_big_function() {

    static $result;

    // Function has already run
    if ( $result !== null )
        return $result;

    // Lot of work here to determine $result
    $result = 'whatever';

    return $result;
}

Also see: http://stackoverflow.com/questions/6188994/static-keyword-inside-function https://stackoverflow.com/questions/6188994/static-keyword-inside-function

function my_big_function() {

    static $result;

    // Function has already run
    if ( $result !== null )
        return $result;

    // Lot of work here to determine $result
    $result = 'whatever';

    return $result;
}

Also see: http://stackoverflow.com/questions/6188994/static-keyword-inside-function

function my_big_function() {

    static $result;

    // Function has already run
    if ( $result !== null )
        return $result;

    // Lot of work here to determine $result
    $result = 'whatever';

    return $result;
}

Also see: https://stackoverflow.com/questions/6188994/static-keyword-inside-function

Coding style

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edited Oct 17, 2014 at 12:51

Geert

6.3k
29
42

function my_big_function()
  { 

    static $result;

    // Function has already run
    if ( $result !== NULLnull )
        return $result;

    // Lot of work here to determine $result
 
    $result = TRUE;'whatever';

    return $result;
}

Also see: http://stackoverflow.com/questions/6188994/static-keyword-inside-function

function my_big_function()
 {
    static $result;

    // Function has already run
    if ($result !== NULL)
        return $result;

    // Lot of work to determine $result
 
    $result = TRUE;
    return $result;
}

Also see: http://stackoverflow.com/questions/6188994/static-keyword-inside-function

function my_big_function() { 

    static $result;

    // Function has already run
    if ( $result !== null )
        return $result;

    // Lot of work here to determine $result
    $result = 'whatever';

    return $result;
}

Also see: http://stackoverflow.com/questions/6188994/static-keyword-inside-function

added 87 characters in body

Source Link

edited Mar 15, 2012 at 12:45

Geert

6.3k
29
42

function my_big_function()
{
    static $result;

    // Function has already run
    if ($result !== NULL)
        return $result;

    // Lot of work to determine $result

    $result = TRUE;
    return $result;
}

Also see: http://stackoverflow.com/questions/6188994/static-keyword-inside-function

function my_big_function()
{
    static $result;

    // Function has already run
    if ($result !== NULL)
        return $result;

    // Lot of work to determine $result

    $result = TRUE;
    return $result;
}

function my_big_function()
{
    static $result;

    // Function has already run
    if ($result !== NULL)
        return $result;

    // Lot of work to determine $result

    $result = TRUE;
    return $result;
}

Also see: http://stackoverflow.com/questions/6188994/static-keyword-inside-function

Source Link

created Mar 15, 2012 at 12:39

Geert

6.3k
29
42

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