Can I get a variable name as a string?

montyauto · #1 (**permalink**) 02-25-2007, 02:44 AM

I've searching in php and perl for this:

how do i get a variable name as a string e.g i have a variable
myvar:1 2 5 3 2 6 7 8
i want to get "myvar"

Is there any function to get the name of a variable based on its value?

ragavraj · #2 (**permalink**) 08-02-2007, 01:38 AM

Hi
In PHP no built in function for this issue, but we can create a User

defined function for this issue

PHP Code:

  function getVarName(&$pmVar, $pmscope=false, $pmPrefix='unique', $pmSuffix='value')

  {

    if($pmscope) 

        $vValue = $pmscope;

    else      

        $vValue = $GLOBALS;

        $vOldVal = $pmVar;

        $pmVar = $vNewVal = $pmPrefix.rand().$pmSuffix;

        $vRetName = FALSE;

        

    foreach($vValue as $vKeyVal => $vValue) 

    {

      if($vValue === $vNewVal) $vRetName = $vKeyVal;

    }

    $pmVar = $vOldVal;

    return $vRetName;

  }

Function Calling

PHP Code:

      $vGetName = "PHP Is Web Programming Language"; 

   echo getVarName($vGetName); // Outputs:  vGetName

Thanks

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