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function isset

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function isset

Postby cristianviza » Fri Jul 26, 2013 2:04 pm

Hello People .
In this code:
/lib/pkp/classes/form/Form.inc.php
I don't know where this source function isset
Code: Select all
/**
    * Get the value of a form field.
    * @param $key string
    * @return mixed
    */
   function getData($key) {
      return isset($this->_data[$key]) ? $this->_data[$key] : null;
   }

anyone know where it is ?
cristianviza
 
Posts: 74
Joined: Tue Nov 06, 2012 10:22 am
Location: Argentina

Re: function isset

Postby asmecher » Fri Jul 26, 2013 2:13 pm

Hi cristianviza,

isset() is a standard PHP function; see http://php.net/manual/en/function.isset.php.

Regards,
Alec Smecher
Public Knowledge Project Team
asmecher
 
Posts: 8347
Joined: Wed Aug 10, 2005 12:56 pm


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