document.write('PHP
');
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');
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<?');
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function how_many_lines
($width,
$string,
$options =
array()) {');
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if (!
is_array($options)) $options =
array();
');
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if ($width <
1) {');
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trigger_error(\'Width should be > 0\');
');
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return false;
');
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}');
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$default_options =
array(');
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\'white_spaces\' =>
array(\' \',
"\t"),
');
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\'new_lines\' =>
array("\r\n",
"\n"),
');
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\'force_line_breaks\' =>
true,
');
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\'callback\' =>
null,
');
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\'callback_params\' =>
array(),
');
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\'char_widths\' =>
null,
');
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);
');
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');
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extract(array_merge($default_options,
$options));
');
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');
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if ($callback ==
null) {');
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if ($char_widths !=
null) {');
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$callback =
create_function(\'$char, $char_map\',
\'return (isset($char_map[$char]) ? $char_map[$char] : 0);\');
');
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$callback_params =
array($char_widths);
');
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} else {');
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$callback =
create_function(\'$char\',
\'return 1;\');
');
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}');
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}');
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');
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$string =
str_replace($new_lines,
"\n",
$string);
');
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$string =
str_replace($white_spaces,
\' \',
$string);
');
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');
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$str_length =
strlen($string);
');
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');
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if ($str_length >
0 &&
$string[$str_length-1] ==
"\n") {');
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$str_length--;
');
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}');
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');
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$sep =
-1;
');
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$pos =
$j =
$line_length =
0;
');
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$number_of_lines =
1;
');
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');
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while ($pos <
$str_length) {');
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$char =
$string[$pos];
');
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if ($char ==
"\n") {');
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$number_of_lines++;
');
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$pos++;
');
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$sep =
-1;
');
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$j =
$pos;
');
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$line_length =
0;
');
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} else {');
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if ($char ==
\' \') {');
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$sep =
$pos;
');
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}');
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');
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$line_length +=
call_user_func_array($callback,
array_merge(array($char),
$callback_params));
');
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if ($line_length >
$width) {');
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if ($sep ==
-1) {');
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if (!
$force_line_breaks) {');
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return false;
');
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} else {');
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if ($pos ==
$j) { // да к тому же $pos == $j !');
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$pos++;
');
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}');
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}');
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} else {');
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$pos =
$sep +
1;
');
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}');
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$sep =
-1;
');
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$j =
$pos;
');
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$line_length =
0;
');
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$number_of_lines++;
');
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} else {');
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$pos++;
');
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}');
document.write('
}');
document.write('
}');
document.write('
');
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return $number_of_lines;
');
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}');
document.write('
?>');
document.write('
');
document.write('
');