How to get a strings data from a different function? - php

Question

I have a php file with different functions in it. I need to get data from strings in a function, but the strings have been specified in a different function. How can this be done please?
... To clarify, I have two functions.
function a($request) { $username = ...code to get username; }
the username is over retreivable during function a.
function b($request) { }
function b need the username, but cannot retrieve it at the point its called, so need it from function a. I am very much a beginer here (so bear with me please), I tried simply using $username in function b, but that didn't work.
Can you please explain how I can do this more clearly please. There are another 5 strings like this, that function b needs from function a so I will need to do this for all the strings.
...Code:
<?php
class function_passing_variables {
function Settings() {
//function shown just for reference...
$settings = array();
$settings['users_data'] = array( "User Details", "description" );
return $settings;
}
function a( $request ) {
//This is the function that dynamically gets the user's details.
$pparams = array();
if ( !empty( $this->settings['users_details'] ) ) {
$usersdetails = explode( "\n", Tool::RW( $this->settings['users_data'], $request ) );
foreach ( $usersdetails as $chunk ) {
$k = explode( '=', $chunk, 2 );
$kk = trim( $k[0] );
$pparams[$kk] = trim( $k[1] );
}
}
$email=$pparams['data_email'];
$name=$pparams['data_name'];
$username=$pparams['data_username'];
//These variables will retrieve the details
}
function b( $request ) {
//Here is where I need the data from the variables
//$email=$pparams['data_email'];
//$name=$pparams['data_name'];
//$username=$pparams['data_username'];
}
}
?>

Answer 1

#A Smith, let me try to clarify what you mean.
You have several variables, example : $var1, $var2, etc.
You have two function (or more) and need to access that variables.
If that what you mean, so this may will help you :
global $var1,$var2;
function a($params){
global $var1;
$var1 = 1;
}
function b($params){
global $var1,$var2;
if($var1 == 1){
$var2 = 2;
}
}
Just remember to define global whenever you want to access global scope variable accross function. You may READ THIS to make it clear.
EDITED
Now, its clear. Then you can do this :
class function_passing_variables{
// add these lines
var $email = "";
var $name = "";
var $username = "";
// ....
Then in your function a($request) change this :
$email=$pparams['data_email'];
$name=$pparams['data_name'];
$username=$pparams['data_username'];
to :
$this->email=$pparams['data_email'];
$this->name=$pparams['data_name'];
$this->username=$pparams['data_username'];
Now, you can access it in your function b($request) by this :
echo $this->email;
echo $this->name;
echo $this->username;

Answer 2

In the functions where the string has been set:
Global $variable;
$variable = 'string data';
Although you really should be returning the string data to a variable, then passing said variable to the other function.