PHP - Tips

StringUtil.php

<?php

declare(strict_types=1);

namespace App\Util;

abstract class StringUtil
{
    /**
     * Replace the accents in a string.
     *
     * @param string $string
     * @return string
     */
    public static function noAccent(string $string): string
    {
        $lettersAccent = "ç,æ,œ,á,é,í,ó,ú,à,è,ì,ò,ù,ä,ë,ï,ö,ü,ÿ,â,ê,î,ô,û,å,ø,u";
        $lettersNoAccent = "c,ae,oe,a,e,i,o,u,a,e,i,o,u,a,e,i,o,u,y,a,e,i,o,u,a,o,u";
        $search = explode(",", sprintf("%s,%s", $lettersAccent, mb_strtoupper($lettersAccent)));
        $replace = explode(",", sprintf("%s,%s", $lettersNoAccent, mb_strtoupper($lettersNoAccent)));

        return str_replace($search, $replace, $string);
    }

    /**
     * Convert a string into camelCase format.
     *
     * @param string $string
     * @return string
     *
     * @see https://github.com/symfony/symfony/blob/6.3/src/Symfony/Component/DependencyInjection/Compiler/RegisterServiceSubscribersPass.php#L117
     */
    public static function camelCase(string $string): string
    {
        $string = self::noAccent(strtolower($string));

        return lcfirst(str_replace(' ', '', ucwords(preg_replace('/[^a-zA-Z0-9\x7f-\xff]++/', ' ', $string))));
    }

    /**
     * Remove all types of spaces.
     *
     * @param string $string
     * @return string
     *
     * @see https://github.com/symfony/symfony/blob/6.3/src/Symfony/Component/String/AbstractUnicodeString.php#L370
     */
    public static function trim(string $string): string
    {
        $chars = " \t\n\r\0\x0B\x0C\u{A0}\u{FEFF}";

        return preg_replace("{^[$chars]++|[$chars]++$}uD", '', $string);
    }
}

year-datetime-conversion.php

<?php
// https://www.php.net/manual/en/datetime.format.php

// Year > DateTime
$year =  2022;
$date = new DateTime(sprintf('%s-01-01 00:00:00', $year));
echo $date->format('Y-m-d H:i:s'); // 2022-01-01 00:00:00

// DateTime > Year
$date = new DateTime('2022-01-01 00:00:00');
echo $date->format('Y'); // 2022

// See the result on
// https://onlinephp.io?s=dY7NCsIwEITvhb7DHpS0YJLaY6r14sEH8NJjsCkt2DQ0keDbu4k_iFjYyywz883uYHqTJpxD75yxgnPvPcMf08rxUeqbvHKleSudcsOoWDfNo3QspmKuUXKGGo5oOKMhTVb38NkDlEVZVqhDFrVW_uPKrJkH7bqMrC0ttnhQFCIe2UBsyHPMqks_QSyg9ZOckYaOtIWTGIQleQU4IYB-Wl7j3jwcGHYujCF_Csgi_guaJg8%2C&v=8.1.10