<?php
/*********************************************
* Script: Multi-Dimentional Array Handler (marray) Functions
* Author: Colin Jermain
* Contact: http://phpknowhow.com/contact.php
* Date: January 25th, 2008
* Version: 1.0
* License:
*
* Copyright (C) 2008 Colin Jermain
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
* Notes:
* (1) Read documentation before using.
* (2) Exercise caution because of the use of eval().
*
*********************************************/
// Process a location string
function marray_loc($loc) {
try {
if(preg_match('/^[A-Za-z0-9_\-]+(,[A-Za-z0-9_\-]+)*$/i', $loc)) {
return preg_replace('/^/', '[\'', preg_replace('/$/', '\']', preg_replace('/,/', '\'][\'', $loc)));
} else {
throw new Exception("Invalid location path for multi-dimentional array");
}
} catch(Exception $e) {
echo "<b>Fatal Error</b>: ".$e->getMessage()." on line ".$e->getLine()." of ".$e->getFile();
exit();
}
}
// Set a value to the location of an array
function marray_set(&$array, $loc, $value) {
$value=(is_array($value))?var_export($value, true):"'".addslashes($value)."'";
eval("\$array".marray_loc($loc)."={$value};");
}
// Get the value of an array at the location
function marray_get(&$array, $loc) {
return eval("return \$array".marray_loc($loc).";");
}
// Count the array at the location
function marray_count(&$array, $loc) {
return eval("return count(\$array".marray_loc($loc).");");
// Analogous to: return count(marray_get($array, $loc));
}
// Return if array is empty at location
function marray_is_empty(&$array, $loc) {
return eval("return empty(\$array".marray_loc($loc).");");
// Analogous to: $tmp=marray_get($array, $loc); return empty($tmp);
}
// Return if array isset at location
function marray_is_set(&$array, $loc) {
return eval("return isset(\$array".marray_loc($loc).");");
// Analogous to: $tmp=marray_get($array, $loc); return isset($tmp);
}
?>
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