<?php
/***********************************************************************************************************
The following example demonstrates the use of the ArrayHelpers::CrossReference function.
***********************************************************************************************************/
require ( '../ArrayHelpers.phpclass' ) ;
if ( php_sapi_name ( ) != 'cli' )
echo ( "<pre>" ) ;
// Example 1 : we want to know :
// 1) which items, present in $keys, are missing from $array
// 2) which items, present in $array, are missing from $keys
// $array is an associative array.
$keys = [ 'a', 'b', 'd', 'e' ] ;
$array = [ 'a' => 'a value', 'b' => 'b value', 'c' => 'c value', 'd' => 'd value' ] ;
$status = ArrayHelpers::CrossReference ( $keys, $array, $missing, $extra ) ;
echo "********** Example using associative array :\n" ;
echo "Keys that are missing in array : " ; print_r ( $missing ) ;
echo "Values contained in array but not in keys : " ; print_r ( $extra ) ;
// Example 2 is the same as example 1, but it uses a non-associative array instead
$keys = [ 0, 1, 3, 10 ] ;
$array = [ 'a value', 'b value', 'c value', 'd value' ] ;
$status = ArrayHelpers::CrossReference ( $keys, $array, $missing, $extra ) ;
echo "********** Example using associative array :\n" ;
echo "Keys that are missing in array : " ; print_r ( $missing ) ;
echo "Values contained in array but not in keys : " ; print_r ( $extra ) ;
|
Download
