<?php
require_once 'tuple-dictionary.php';
// A couple of handy instances
$obj1 = new \stdClass();
$obj2 = new \stdClass();
// A couple of keys
$key1 = array(
$obj1,
array( 'tick' => $obj2 ),
null,
null,
"x",
);
$key2 = array(
$obj2,
array( $obj1 ),
"z",
);
// Create the dictionary and add a couple of values
$dict = new \TupleDictionary( 'md5' );
$dict->addValue( $key1, 1 );
$dict->addValue( $key2, 2 );
// Retrieve values for each key by accessing the keys collection
$keys = $dict->getKeys();
foreach ( $keys as $key )
{
$value = $dict->getValue( $key, 'xx' );
}
// Access values by using the original key variables or recreate
$value = $dict->getValue( $key1, "yy" );
// Recreate the key to show there is nothing special about a key instance
$key2 = array(
$obj2,
array( $obj1 ),
"z",
);
$value = $dict->getValue( $key2 );
// A key containing an array that has any kind of change such as the order
// of the element or, as in this case, a change to an index of an array
// will yield a different key
$key3 = array(
$obj1,
array( 'tock' => $obj2 ),
null,
null,
"x",
);
$value = $dict->getValue( $key3, "yy" );
// Delete a key and show the it has been deleted by retrieving the keys once
// again when there will be just one element.
$result = $dict->delete( $key1 );
$keys = $dict->getKeys();
// Also the previously successful call to retrieve the value will fail.
$value = $dict->getValue( $key1, "yy" );
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