<?php
/****************************************************************************************************
This example demonstrates how to define, check for existence and undefine environment
variables in a VariableStore object.
****************************************************************************************************/
require_once ( '../Variables.phpclass' ) ;
if ( php_sapi_name ( ) != 'cli' )
echo "<pre>" ;
$store = new VariableStore ( ) ;
echo "Defining variable 'VAR'...\n" ;
// Define the 'VAR' variable in the variable store
$store [ 'VAR' ] = 'value of the VAR variable' ; // We could
echo "Value of variable VAR : \"" . $store [ 'VAR' ] . "\"\n" ;
// Check if the 'VAR' variable is defined
echo "Is variable VAR defined ? " . ( ( $store -> IsDefined ( 'VAR' ) ) ? 'yes' : 'no' ) . "\n" ;
// Undefine variable 'VAR'
$store -> Undefine ( 'VAR' ) ;
echo "Is variable VAR still defined after a call to Undefine('VAR') ? " . ( ( $store -> IsDefined ( 'VAR' ) ) ? 'yes' : 'no' ) . "\n" ;
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