<?php

declare(strict_types=1);

namespace PhpSchool\CliMenu\Util;

/**

* @author Michael Woodward <[email protected]>

*/

class StringUtil

{

/**

* Minimal multi-byte wordwrap implementation

* which also takes break length into consideration

*/

public static function wordwrap(string $string, int $width, string $break = "\n") : string

{

return implode(

$break,

array_map(function (string $line) use ($width, $break) {

$line = rtrim($line);

if (mb_strwidth($line) <= $width) {

return $line;

}

$words = explode(' ', $line);

$line = '';

$actual = '';

foreach ($words as $word) {

if (mb_strwidth($actual . $word) <= $width) {

$actual .= $word . ' ';

} else {

if ($actual !== '') {

$line .= rtrim($actual) . $break;

}

$actual = $word . ' ';

}

}

return $line . trim($actual);

}, explode("\n", $string))

);

}

public static function stripAnsiEscapeSequence(string $str) : string

{

return (string) preg_replace('/\x1b[^m]*m/', '', $str);

}

public static function length(string $str, bool $ignoreAnsiEscapeSequence = true) : int

{

return mb_strwidth($ignoreAnsiEscapeSequence ? self::stripAnsiEscapeSequence($str) : $str);

}

}