fenglin/lib/str_process.inc.php

<?

function split_line($str,$pre="",$width=75)
{
        $lines = array();
        $lines_count = 0;
        $len = strlen($str);

        $hz_ok = true;
        $en_ok = true;
        
        if ($width<=0)
                return $str;
        
        $line = $pre;
        $line_count = strlen($line);
        for($i=0;$i<$len;$i++)
        {
                $line.=$str[$i];
                $line_count++;
                if (ord($str[$i])>127)
                {
                        $hz_ok = (!$hz_ok);
                        $en_ok = true;
                }
                if (ord($str[$i])<=127)
                {
                        $hz_ok = true;
                        if ($str[$i] == " ")
                        {
                                $en_ok = true;
                        }
                        else
                        {
                                $en_ok = false;
                        }
                }
                if ($line_count >= $width && $hz_ok && $en_ok)
                {
                        $lines[$lines_count++] = $line;
                        $line = $pre;
                        $line_count = strlen($line);
                }
        }
        $lines[$lines_count++] = $line;

        $result = "";
        for($i=0;$i<$lines_count;$i++)
        {
                $result.=($lines[$i]."\r\n");
        }
        return $result;
}

function str_process($str,$pre="",$width=75)
{
        $result = "";
        
        $lines = explode("\n",str_replace("\r\n","\n",$str));

        foreach($lines as $line)
        {
                $result .= split_line($line,$pre,$width);
        }
        
        return $result;
}

?>
1	<?
2
3	function split_line($str,$pre="",$width=75)
4	{
5	$lines = array();
6	$lines_count = 0;
7	$len = strlen($str);
8
9	$hz_ok = true;
10	$en_ok = true;
11
12	if ($width<=0)
13	return $str;
14
15	$line = $pre;
16	$line_count = strlen($line);
17	for($i=0;$i<$len;$i++)
18	{
19	$line.=$str[$i];
20	$line_count++;
21	if (ord($str[$i])>127)
22	{
23	$hz_ok = (!$hz_ok);
24	$en_ok = true;
25	}
26	if (ord($str[$i])<=127)
27	{
28	$hz_ok = true;
29	if ($str[$i] == " ")
30	{
31	$en_ok = true;
32	}
33	else
34	{
35	$en_ok = false;
36	}
37	}
38	if ($line_count >= $width && $hz_ok && $en_ok)
39	{
40	$lines[$lines_count++] = $line;
41	$line = $pre;
42	$line_count = strlen($line);
43	}
44	}
45	$lines[$lines_count++] = $line;
46
47	$result = "";
48	for($i=0;$i<$lines_count;$i++)
49	{
50	$result.=($lines[$i]."\r\n");
51	}
52	return $result;
53	}
54
55	function str_process($str,$pre="",$width=75)
56	{
57	$result = "";
58
59	$lines = explode("\n",str_replace("\r\n","\n",$str));
60
61	foreach($lines as $line)
62	{
63	$result .= split_line($line,$pre,$width);
64	}
65
66	return $result;
67	}
68
69	?>
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