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<? |
<?php |
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function str_length(string $str) : string |
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function split_line($str,$prefix="",$width=75) |
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{ |
{ |
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$lines = array(); |
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$lines_count = 0; |
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$len = strlen($str); |
$len = strlen($str); |
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$ret = 0; |
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$hz_ok = true; |
for ($i = 0; $i < $len; $i++) |
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if ($width<=0) |
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return $str; |
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$line = $prefix; |
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$line_count = strlen($line); |
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for($i=0;$i<$len;$i++) |
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{ |
{ |
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$line.=$str[$i]; |
$c = $str[$i]; |
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$line_count++; |
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if (ord($str[$i])>127) |
// Process UTF-8 Chinese characters |
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{ |
$v1 = ord($c); |
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$hz_ok = (!$hz_ok); |
if (($v1 & 0b10000000) == 0b10000000) //head of multi-byte character |
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} |
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if (ord($str[$i])<=127) |
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{ |
{ |
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$hz_ok = true; |
$v2 = ($v1 & 0b01111000) << 1; |
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while ($v2 & 0b10000000) |
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{ |
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$i++; |
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$v3 = $str[$i]; |
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$c .= $v3; |
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$v2 = ($v2 & 0b01111111 ) << 1; |
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} |
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$ret += 2; |
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} |
} |
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if ($line_count >= $width && $hz_ok) |
else |
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{ |
{ |
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$lines[$lines_count++] = $line; |
$ret++; |
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$line = $prefix; |
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$line_count = strlen($line); |
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} |
} |
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} |
} |
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$lines[$lines_count++] = $line; |
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$result = ""; |
return $ret; |
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for($i=0;$i<$lines_count;$i++) |
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{ |
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$result.=($lines[$i]."\r\n"); |
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} |
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return $result; |
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} |
} |
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function str_process($str,$prefix="",$width=75) |
function split_line(string $str, string $prefix = "", int $width = 76, int $lines_limit = PHP_INT_MAX, string $end_of_line = "\n") : string |
| 36 |
{ |
{ |
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if ($width <= 0) |
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{ |
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return $str; |
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} |
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$result = ""; |
$result = ""; |
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$len = strlen($str); |
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$lines = explode("\n",str_replace("\r\n","\n",$str)); |
$prefix_len = str_length($prefix); |
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foreach($lines as $line) |
$lines_count = 0; |
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$line = $prefix; |
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$line_len = $prefix_len; |
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for ($i = 0; $i < $len && $lines_count < $lines_limit; $i++) |
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{ |
{ |
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$result .= split_line($line[0],$prefix,$width); |
$c = $str[$i]; |
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// Skip special characters |
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if ($c == "\r" || $c == "\7") |
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{ |
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continue; |
| 58 |
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} |
| 59 |
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if ($c == "\n") |
| 61 |
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{ |
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if ($lines_count + 1 >= $lines_limit) |
| 63 |
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{ |
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break; |
| 65 |
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} |
| 66 |
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| 67 |
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$result .= ($line . $end_of_line); |
| 68 |
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$lines_count++; |
| 69 |
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$line = $prefix; |
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$line_len = $prefix_len; |
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continue; |
| 72 |
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} |
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| 74 |
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// Process UTF-8 Chinese characters |
| 75 |
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$v1 = ord($c); |
| 76 |
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if (($v1 & 0b10000000) == 0b10000000) //head of multi-byte character |
| 77 |
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{ |
| 78 |
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$v2 = ($v1 & 0b01111000) << 1; |
| 79 |
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while ($v2 & 0b10000000) |
| 80 |
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{ |
| 81 |
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$i++; |
| 82 |
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$v3 = $str[$i]; |
| 83 |
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$c .= $v3; |
| 84 |
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$v2 = ($v2 & 0b01111111 ) << 1; |
| 85 |
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} |
| 86 |
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// Each UTF-8 CJK character should use two character length for display |
| 88 |
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if ($line_len + 2 > $width) |
| 89 |
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{ |
| 90 |
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if ($lines_count + 1 >= $lines_limit) |
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{ |
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break; |
| 93 |
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} |
| 94 |
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$result .= ($line . $end_of_line); |
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$lines_count++; |
| 97 |
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$line = $prefix; |
| 98 |
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$line_len = $prefix_len; |
| 99 |
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} |
| 100 |
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$line_len += 2; |
| 101 |
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} |
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else |
| 103 |
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{ |
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$line_len++; |
| 105 |
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} |
| 106 |
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| 107 |
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if ($line_len > $width) |
| 108 |
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{ |
| 109 |
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if ($lines_count + 1 >= $lines_limit) |
| 110 |
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{ |
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break; |
| 112 |
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} |
| 113 |
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| 114 |
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$result .= ($line . $end_of_line); |
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$lines_count++; |
| 116 |
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$line = $prefix; |
| 117 |
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$line_len = $prefix_len + 1; |
| 118 |
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} |
| 119 |
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$line .= $c; |
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} |
} |
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return $result; |
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} |
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function str_b_lines($str,$max_line=1) |
if ($lines_count < $lines_limit) |
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{ |
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$result = ""; |
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$l = 0; |
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$lines = explode("\n",str_replace("\r\n","\n",$str)); |
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foreach($lines as $line) |
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{ |
{ |
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$result .= ($line[0]."\r\n"); |
$result .= $line; |
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$l += (strlen($line[0])/256 + 1); |
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if ($l >= $max_line) |
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break; |
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} |
} |
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return $result; |
return $result; |
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} |
} |
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?> |
?> |
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