fenglin/lib/str_process.inc.php

<?

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

        $hz_ok = true;
        
        if ($width<=0)
                return $str;
        
        $line = $pre;
        $line_count = strlen($line);
        for($i=0;$i<$len;$i++)
        {
                if ($line_count >= $width && $hz_ok)
                {
                        $lines[$lines_count++] = $line;
                        $line = $pre;
                        $line_count = strlen($line);
                }
                $line.=$str[$i];
                $line_count++;
                if (ord($str[$i])>127)
                        $hz_ok = (!$hz_ok);
                if (ord($str[$i])<=127)
                        $hz_ok = true;
        }
        $lines[$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	$hz_ok = true;
10
11	if ($width<=0)
12	return $str;
13
14	$line = $pre;
15	$line_count = strlen($line);
16	for($i=0;$i<$len;$i++)
17	{
18	if ($line_count >= $width && $hz_ok)
19	{
20	$lines[$lines_count++] = $line;
21	$line = $pre;
22	$line_count = strlen($line);
23	}
24	$line.=$str[$i];
25	$line_count++;
26	if (ord($str[$i])>127)
27	$hz_ok = (!$hz_ok);
28	if (ord($str[$i])<=127)
29	$hz_ok = true;
30	}
31	$lines[$lines_count++] = $line;
32
33	$result = "";
34	for($i=0;$i<$lines_count;$i++)
35	{
36	$result.=($lines[$i]."\r\n");
37	}
38	return $result;
39	}
40
41	function str_process($str,$pre="",$width=75)
42	{
43	$result = "";
44
45	$lines = explode("\n",str_replace("\r\n","\n",$str));
46
47	foreach($lines as $line)
48	{
49	$result .= split_line($line,$pre,$width);
50	}
51
52	return $result;
53	}
54
55	?>
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