47505bdd6d
Altered function names to make them possibly collide with other functions less frequently Altered code for sorting to hopefully improve speed
70 lines
1.6 KiB
PHP
70 lines
1.6 KiB
PHP
<?php
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/**
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** array.php
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**
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** This contains functions that work with array manipulation. They
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** will help sort, and do other types of things with arrays
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**
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** $Id$
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**/
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$array_php = true;
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function ary_sort($ary,$col, $dir = 1){
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// The globals are used because USORT determines what is passed to comp2
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// These should be $this->col and $this->dir in a class
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// Would beat using globals
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if(!is_array($col)){
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$col = array($col);
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}
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$GLOBALS['col'] = $col; // Column or Columns as an array
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if ($dir > 0)
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$dir = 1;
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else
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$dir = -1;
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$GLOBALS['dir'] = $dir; // Direction, a positive number for ascending a negative for descending
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usort($ary,'array_comp2');
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return $ary;
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}
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function array_comp2($a,$b,$i = 0) {
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global $col;
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global $dir;
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$c = count($col) -1;
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if ($a[$col[$i]] == $b[$col[$i]]){
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$r = 0;
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while($i < $c && $r == 0){
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$i++;
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$r = comp2($a,$b,$i);
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}
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} elseif($a[$col[$i]] < $b[$col[$i]]){
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return (- $dir);
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}
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return $dir;
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}
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function removeElement($array, $element) {
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$j = 0;
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for ($i = 0;$i < count($array);$i++)
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if ($i != $element) {
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$newArray[$j] = $array[$i];
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$j++;
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}
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return $newArray;
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}
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function array_cleave($array1, $column)
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{
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$key=0;
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$array2 = array();
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while ($key < count($array1)) {
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array_push($array2, $array1[$key][$column]);
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$key++;
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}
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return ($array2);
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}
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?>
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