Pastable version of Rules Based Iterator

<div style="overflow:auto;border:solid 1px #ccc;background:#000;color:#F8F8F8">
 <div class="section">
 
 <pre style="float:left;margin:0 10px;border-right:0;color:#666;">1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90</pre>
 <pre class="sunburst">&lt;?php
/*
 * This is a test of a rules based iterative algorithm...
 *
 */

$rules = array();
/*
 * type = # == numeric, @ = alpha
 * lower = lower boundary
 * upper = upper boundary
 *
 */
$rules[] = array('type'=&gt;'#', 'lower'=&gt;0, 'upper'=&gt;5);
// If a rule is running over characters and it is case-sensitive, 
// then we need to define the sequence to have the upper case letters first
$rules[] = array('type'=&gt;'@', 'lower'=&gt;'A', 'upper'=&gt;'D');
$rules[] = array('type'=&gt;'#', 'lower'=&gt;1, 'upper'=&gt;3);
$rules[] = array('type'=&gt;'@', 'lower'=&gt;'A', 'upper'=&gt;'B');

iterate('/%0%%1%-%2%-%3%/', $rules, &quot;mycall&quot;);

function mycall($data, &amp;$rules) {
	echo &quot;&lt;strong&gt;&quot; .$data . &quot;&lt;/strong&gt;&lt;br /&gt;&quot;;
	return true;
}

function iterate($format, &amp;$rules, $call = null) {

updateCounts(array_reverse($rules, true), $rules);

$vars = array();
	foreach ($rules as $key =&gt; $val) {
		$vars[&quot;%$key%&quot;] = $val['cur'];
	}
	
	if (!is_null($call)) {
		if (!call_user_func($call, str_replace(array_keys($vars), array_values($vars), $format), $rules)) {
			return;
		}
	} else {
		echo str_replace(array_keys($vars), array_values($vars), $format) . &quot;&lt;br /&gt;&quot;;
	}
	
	//keep working if we aren't done.
	foreach ($rules as $key =&gt; $val) {
		if (!($val['cur'] == $val['upper'])) {
			$iterate = true;
		}
	}
	if ($iterate) {
		iterate($format, $rules, $call);
	}
}

Refactor :my => 'code'

Recent

Popular

Pastable version of Rules Based Iterator