minet str center

StringUtils.php

<?php
/**
 * Source from:
 * https://github.com/NiclasOlofsson/MiNET/blob/master/src/MiNET/MiNET/Utils/TextUtils.cs
 */
namespace cosmiccore\miscs;

use pocketmine\utils\TextFormat as TF;

class StringUtils {

    public const LineLength = 30;
    public const CharWidth = 6;

    public const SpaceChar = ' ';

    public const CleanAllFormattingFilter = '(?:&|§)([0123456789abcdefklmnor])';

    public const CleanColourFilter = '(?:&|§)([0123456789abcdef])';

    public const BoldTextRegex = '(?:&|§)l(.+?)(?:[&|§]r|$)';

    public const CharWidths = [
        ' ' => 4,
        '!' => 2,
        '"' => 5,
        '\'' => 3,
        '(' => 5,
        ')' => 5,
        '*' => 5,
        ',' => 2,
        '.' => 2,
        ':' => 2,
        ';' => 2,
        '<' => 5,
        '>' => 5,
        '@' => 7,
        'I' => 4,
        '[' => 4,
        ']' => 4,
        'f' => 5,
        'i' => 2,
        'k' => 5,
        'l' => 3,
        't' => 4,
        '' => 5,
        '|' => 2,
        '' => 5,
        '~' => 7,
        '█' => 9,
        '░' => 8,
        '▒' => 9,
        '▓' => 9,
        '▌' => 5,
        '─' => 9
        //'-' => 9,
    ];

    public static function centerLine(string $input) : string
    {
        return self::center($input, self::LineLength * self::CharWidth);
    }

    public static function center(string $input, int $maxLength = 0, bool $addRightPadding = false) : string
    {
        $lines = explode("\n", trim($input));

        $sortedLines = $lines;
        usort($sortedLines, function(string $a, string $b) {
            return self::getPixelLength($b) <=> self::getPixelLength($a);
        });

        $longest = $sortedLines[0];

        if ($maxLength === 0) {
            $maxLength = self::getPixelLength($longest);
        }

        $result = "";

        $spaceWidth = self::getCharWidth(self::SpaceChar);

        foreach ($lines as $sortedLine) {
            $len = max($maxLength - self::getPixelLength($sortedLine), 0);
            $padding = (int) round($len / (2 * $spaceWidth));
            $paddingRight = (int) floor($len / (2 * $spaceWidth));
            $result .= str_pad(self::SpaceChar, $padding) . $sortedLine . TF::RESET . ($addRightPadding ? str_pad(self::SpaceChar, $paddingRight) : "") . "\n";
        }

        $result = rtrim($result, "\n");

        return $result;
    }

    private static function getCharWidth(string $c) : int
    {
        return self::CharWidths[$c] ?? self::CharWidth;
    }

    public static function getPixelLength(string $line) : int
    {
        $length = 0;
        foreach (str_split(TF::clean($line)) as $c) {
            $length += self::getCharWidth($c);
        }

        // +1 for each bold character
        $length += substr_count($line, TF::BOLD);
        return $length;
    }
}