squirrelmail/functions/array.php
2001-12-02 09:33:02 +00:00

88 lines
2.7 KiB
PHP

<?php
/**
* array.php
*
* Copyright (c) 1999-2001 The Squirrelmail Development Team
* Licensed under the GNU GPL. For full terms see the file COPYING.
*
* This contains functions that work with array manipulation. They
* will help sort, and do other types of things with arrays
*
* $Id$
*/
/*****************************************************************/
/*** THIS FILE NEEDS TO HAVE ITS FORMATTING FIXED!!! ***/
/*** PLEASE DO SO AND REMOVE THIS COMMENT SECTION. ***/
/*** + Base level indent should begin at left margin, as ***/
/*** the first line of the function definition below. ***/
/*** + All identation should consist of four space blocks ***/
/*** + Tab characters are evil. ***/
/*** + all comments should use "slash-star ... star-slash" ***/
/*** style -- no pound characters, no slash-slash style ***/
/*** + FLOW CONTROL STATEMENTS (if, while, etc) SHOULD ***/
/*** ALWAYS USE { AND } CHARACTERS!!! ***/
/*** + Please use ' instead of ", when possible. Note " ***/
/*** should always be used in _( ) function calls. ***/
/*** Thank you for your help making the SM code more readable. ***/
/*****************************************************************/
function ary_sort($ary,$col, $dir = 1){
// The globals are used because USORT determines what is passed to comp2
// These should be $this->col and $this->dir in a class
// Would beat using globals
if(!is_array($col)){
$col = array($col);
}
$GLOBALS['col'] = $col; // Column or Columns as an array
if ($dir > 0)
$dir = 1;
else
$dir = -1;
$GLOBALS['dir'] = $dir; // Direction, a positive number for ascending a negative for descending
usort($ary,'array_comp2');
return $ary;
}
function array_comp2($a,$b,$i = 0) {
global $col;
global $dir;
$c = count($col) -1;
if ($a[$col[$i]] == $b[$col[$i]]){
$r = 0;
while($i < $c && $r == 0){
$i++;
$r = comp2($a,$b,$i);
}
} elseif($a[$col[$i]] < $b[$col[$i]]){
return (- $dir);
}
return $dir;
}
function removeElement($array, $element) {
$j = 0;
for ($i = 0;$i < count($array);$i++)
if ($i != $element) {
$newArray[$j] = $array[$i];
$j++;
}
return $newArray;
}
function array_cleave($array1, $column)
{
$key=0;
$array2 = array();
while ($key < count($array1)) {
array_push($array2, $array1[$key][$column]);
$key++;
}
return ($array2);
}
?>