From 155cf6aeea9ba7ecbc39face6442d3ce1b03ad8e Mon Sep 17 00:00:00 2001
From: Nils Schwabe
Date: Wed, 4 Jun 2014 14:27:03 +0200
Subject: Add webinterface with functionallity

---
 management-interface/lib/matrix.php | 101 ++++++++++++++++++++++++++++++++++++
 1 file changed, 101 insertions(+)
 create mode 100644 management-interface/lib/matrix.php

(limited to 'management-interface/lib/matrix.php')

diff --git a/management-interface/lib/matrix.php b/management-interface/lib/matrix.php
new file mode 100644
index 0000000..70ae3de
--- /dev/null
+++ b/management-interface/lib/matrix.php
@@ -0,0 +1,101 @@
+<?php
+
+/*
+	Copyright (c) 2009-2014 F3::Factory/Bong Cosca, All rights reserved.
+
+	This file is part of the Fat-Free Framework (http://fatfree.sf.net).
+
+	THE SOFTWARE AND DOCUMENTATION ARE PROVIDED "AS IS" WITHOUT WARRANTY OF
+	ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE
+	IMPLIED WARRANTIES OF MERCHANTABILITY AND/OR FITNESS FOR A PARTICULAR
+	PURPOSE.
+
+	Please see the license.txt file for more information.
+*/
+
+//! Generic array utilities
+class Matrix extends Prefab {
+
+	/**
+	*	Retrieve values from a specified column of a multi-dimensional
+	*	array variable
+	*	@return array
+	*	@param $var array
+	*	@param $col mixed
+	**/
+	function pick(array $var,$col) {
+		return array_map(
+			function($row) use($col) {
+				return $row[$col];
+			},
+			$var
+		);
+	}
+
+	/**
+	*	Rotate a two-dimensional array variable
+	*	@return NULL
+	*	@param $var array
+	**/
+	function transpose(array &$var) {
+		$out=array();
+		foreach ($var as $keyx=>$cols)
+			foreach ($cols as $keyy=>$valy)
+				$out[$keyy][$keyx]=$valy;
+		$var=$out;
+	}
+
+	/**
+	*	Sort a multi-dimensional array variable on a specified column
+	*	@return bool
+	*	@param $var array
+	*	@param $col mixed
+	*	@param $order int
+	**/
+	function sort(array &$var,$col,$order=SORT_ASC) {
+		uasort(
+			$var,
+			function($val1,$val2) use($col,$order) {
+				list($v1,$v2)=array($val1[$col],$val2[$col]);
+				$out=is_numeric($v1) && is_numeric($v2)?
+					Base::instance()->sign($v1-$v2):strcmp($v1,$v2);
+				if ($order==SORT_DESC)
+					$out=-$out;
+				return $out;
+			}
+		);
+		$var=array_values($var);
+	}
+
+	/**
+	*	Change the key of a two-dimensional array element
+	*	@return NULL
+	*	@param $var array
+	*	@param $old string
+	*	@param $new string
+	**/
+	function changekey(array &$var,$old,$new) {
+		$keys=array_keys($var);
+		$vals=array_values($var);
+		$keys[array_search($old,$keys)]=$new;
+		$var=array_combine($keys,$vals);
+	}
+
+	/**
+	*	Return month calendar of specified date, with optional setting for
+	*	first day of week (0 for Sunday)
+	*	@return array
+	*	@param $date string
+	*	@param $first int
+	**/
+	function calendar($date='now',$first=0) {
+		$parts=getdate(strtotime($date));
+		$days=cal_days_in_month(CAL_GREGORIAN,$parts['mon'],$parts['year']);
+		$ref=date('w',strtotime(date('Y-m',$parts[0]).'-01'))+(7-$first)%7;
+		$out=array();
+		for ($i=0;$i<$days;$i++)
+			$out[floor(($ref+$i)/7)][($ref+$i)%7]=$i+1;
+		return $out;
+	}
+
+}
-- 
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