/[cvs]/nfo/php/libs/org.netfrag.flib/utils/Array_Manip.php
ViewVC logotype

Annotation of /nfo/php/libs/org.netfrag.flib/utils/Array_Manip.php

Parent Directory Parent Directory | Revision Log Revision Log


Revision 1.1 - (hide annotations)
Tue Nov 12 05:42:31 2002 UTC (21 years, 9 months ago) by joko
Branch: MAIN
+ initial checkin

1 joko 1.1 <?
2     // -------------------------------------------------------------------------
3     // $Id$
4     // -------------------------------------------------------------------------
5     // $Log$
6     // -------------------------------------------------------------------------
7    
8    
9     // ------------------------------------------------------------------
10     // takes a string and searches values of haystack to remove this in place
11     // returns "true" if operation succeeded
12     function removeNeedle($needle, &$haystack) {
13     $arrpos = array_search($needle, $haystack);
14     if (is_numeric($arrpos)) {
15     array_splice($haystack, $arrpos, 1);
16     return true;
17     }
18     return false;
19     }
20    
21     // ------------------------------------------------------------------
22     // removes single or multiple elements from haystack
23     // takes a string or an array containing scalars
24     // matching the to-be-removed values
25     function removeNeedles($needle, &$haystack) {
26     $res = true;
27     if (is_array($needle)) {
28     foreach ($needle as $val) {
29     $res &= removeNeedle($val, $haystack);
30     }
31     } else {
32     $res &= removeNeedle($needle, $haystack);
33     }
34     return $res;
35     }
36    
37    
38     function prefixElements_walker(&$item, $key, $prefix) {
39     $item = $prefix . $item;
40     }
41    
42    
43     class Array_Manip {
44    
45     var $haystack;
46    
47     function Array_Manip(&$haystack, $args = array()) {
48     $this->haystack = $haystack;
49     }
50    
51     function remove($needle, $level) {
52     return $this->_rm_needle_bylevel($needle, $level);
53     }
54    
55     // ------------------------------------------------------------------
56     // removes single or multiple elements from haystack
57     // takes an additional argument: the nesting level inside haystack to operate on
58     function _rm_needle_bylevel($needle, $level) {
59     global $cLevel, $tLevel, $array_walk_found;
60     $res = true;
61    
62     $array_walk_found = false;
63     $cLevel = 0;
64     $tLevel = $level;
65    
66     if (!is_array($this->haystack)) { return; }
67    
68     array_walk($this->haystack, array($this, '_rm_needle_bylevel_walker'), $needle);
69     return $array_walk_found;
70     }
71    
72     // walker function for removing needles by level
73     function _rm_needle_bylevel_walker(&$item, $key, $arg_needle) {
74     global $cLevel, $tLevel, $array_walk_found;
75     $cLevel++;
76     if (is_array($item)) {
77     if ($cLevel == $tLevel) {
78     $array_walk_found |= removeNeedles($arg_needle, $item);
79     //$array_walk_found |= $this->_rm_needle_multi($arg_needle);
80     } else {
81     array_walk($item, array($this, '_rm_needle_bylevel_walker'), $arg_needle);
82     }
83     } else {
84     }
85     $cLevel--;
86     }
87    
88    
89     function prefixElements($array, $prefix) {
90     //if (!is_array($this->haystack)) { $this->haystack = array(); }
91     //array_walk($this->haystack, array($this, 'prefixElements_walker'), $prefix);
92     //array_walk($array, array($this, 'prefixElements_walker'), $prefix);
93     array_walk($array, 'prefixElements_walker', $prefix);
94     return $array;
95     }
96    
97    
98     function buildSymmetricIntegerHash($begin, $end) {
99     $res = array();
100     if(!$begin || !is_int($begin) || !$end || !is_int($end)) {
101     $res[0] = "Error: Function 'buildSymmetricIntegerHash' can only used with Integer as Variable Type!";
102     return $res;
103     }
104     $diff = $end - $begin;
105     if($diff<=0) {
106     $res[0] = "Error: Var 'end' in Function 'buildSymmetricIntegerHash' is smaller or eqal asVar 'begin' !";
107     return $res;
108     }
109     $this->haystack = array();
110     for ($i=$begin;$i<=$end;$i++) {
111     $this->haystack[$i] = $i;
112     }
113     return $this->haystack;
114     }
115    
116    
117     }
118    
119     ?>

MailToCvsAdmin">MailToCvsAdmin
ViewVC Help
Powered by ViewVC 1.1.26 RSS 2.0 feed