Matecat\SubFiltering\Utils\Utils

Complexity

Total Complexity

10

Size/Duplication

Total Lines	79
Duplicated Lines	0 %

Test Coverage

Coverage

100%

Importance

Changes

0

5 Methods

Rating	Name	Duplication	Size	Complexity
A	fastUnicode2ord()	0	19	5
A	array_is_list()	0	7	2
A	unicode2chr()	0	2	1
A	htmlentitiesFromUnicode()	0	2	1
A	contains()	0	2	1

<?php

namespace Matecat\SubFiltering\Utils;

class Utils {

    /**
     * @param $array
     *
     * @return bool
     */
    public static function array_is_list( $array ): bool {

        if ( $array === [] ) {
            return true;
        }

        return array_keys( $array ) === range( 0, count( $array ) - 1 );

    }

    /**
     * @param string $needle
     * @param string $haystack
     *
     * @return bool
     */
    public static function contains( string $needle, string $haystack ): bool {
        return strpos( $haystack, $needle ) !== false;
    }

    /**
     * Get the char code from a multibyte char
     *
     * 2/3 times faster than the old implementation
     *
     * @param $mb_char string Unicode Multibyte Char String
     *
     * @return int
     *
     */
    public static function fastUnicode2ord( string $mb_char ) {
        switch ( strlen( $mb_char ) ) {
            case 1:
                return ord( $mb_char );
            case 2:
                return ( ord( $mb_char[ 0 ] ) - 0xC0 ) * 0x40 +
                        ord( $mb_char[ 1 ] ) - 0x80;
            case 3:
                return ( ord( $mb_char[ 0 ] ) - 0xE0 ) * 0x1000 +
                        ( ord( $mb_char[ 1 ] ) - 0x80 ) * 0x40 +
                        ord( $mb_char[ 2 ] ) - 0x80;
            case 4:
                return ( ord( $mb_char[ 0 ] ) - 0xF0 ) * 0x40000 +
                        ( ord( $mb_char[ 1 ] ) - 0x80 ) * 0x1000 +
                        ( ord( $mb_char[ 2 ] ) - 0x80 ) * 0x40 +
                        ord( $mb_char[ 3 ] ) - 0x80;
        }

        return 20; //as default, return a space (should never happen)
    }

    /**
     * @param array $str
     *
     * @return string
     */
    public static function htmlentitiesFromUnicode( array $str ): string {
        return "&#" . self::fastUnicode2ord( $str[ 1 ] ) . ";";
    }

    /**
     * multibyte string manipulation functions
     * source : http://stackoverflow.com/questions/9361303/can-i-get-the-unicode-value-of-a-character-or-vise-versa-with-php
     * original source: PHPExcel libary (http://phpexcel.codeplex.com/)
     * get the char from Unicode code
     *
     * @param int $o
     *
     * @return string
     */
    public static function unicode2chr( int $o ): string {
        return (string)mb_convert_encoding( '&#' . $o . ';', 'UTF-8', 'HTML-ENTITIES' );
    }

}