Online PHP editor | rfc for ISIYe

@ 2024-10-24T08:06:23Z

<?php

// phpcs:ignoreFile

$separator = '-';

$subjects = [
    'SomeCamelCase'      => 'Some-Camel-Case',
    'Some12With5Numbers' => 'Some-12-With-5-Numbers',
    'SomePDFInText'      => 'Some-PDF-In-Text',
    '123LeadingNumbers'  => '123-Leading-Numbers',
    'ItIs2016'           => 'It-Is-2016',
    'What-If'            => 'What-If',
    'ASingleLetterB'     => 'A-Single-Letter-B',
    'some_snake_case'    => 'some_snake_case',
    'Title_Snake_Case'   => 'Title-_-Snake-_-Case',
    'lower-with-dash'    => 'lowerwithdash',
    'FFS!'               => 'FFS-!',
    'WithA😃'            => 'With-A-😃',
    'PDF123'             => 'PDF-123',
    'EmojiInThe🤞Middle' => 'Emoji-In-The-🤞-Middle',
    '12345'              => '12345',
    '123A'               => '123-A',
    'A123'               => 'A-123',
    'War&Peace'          => 'War-&-Peace',
    'lowerThenTitleCase' => 'lower-Then-Title-Case',
    '123lower'           => '123-lower',
    'lower123'           => 'lower-123',
    'ItIsÜber'           => 'It-Is-Über',
    'SømeThing'          => 'Søme-Thing',
];

foreach ($subjects as $subject => $expect) {
    $pattern = <<<REGEXP
        /
        (
            (?:\p{Lu}\p{Ll}+) # Upper followed by lower
            |
            (?:\p{Lu}+(?!\p{Ll})) # Upper not followed by lower
            |
            (?:\p{N}+) # Runs of numbers
        )
        /ux
        REGEXP;

    $result = implode(
        $separator,
        preg_split(
            $pattern,
            str_replace($separator, '', $subject),
            -1,
            PREG_SPLIT_DELIM_CAPTURE | PREG_SPLIT_NO_EMPTY,
        ),
    );
    echo
        $result === $expect ? '✅' : '❌',
        ' ',
        $result,
        PHP_EOL;
}

Output for git.master_jit, git.master: ✅ Some-Camel-Case ✅ Some-12-With-5-Numbers ✅ Some-PDF-In-Text ✅ 123-Leading-Numbers ✅ It-Is-2016 ✅ What-If ✅ A-Single-Letter-B ✅ some_snake_case ✅ Title-_-Snake-_-Case ✅ lowerwithdash ✅ FFS-! ✅ With-A-😃 ✅ PDF-123 ✅ Emoji-In-The-🤞-Middle ✅ 12345 ✅ 123-A ✅ A-123 ✅ War-&-Peace ✅ lower-Then-Title-Case ✅ 123-lower ✅ lower-123 ✅ It-Is-Über ✅ Søme-Thing

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2020-03-21 RFC: Is_Literal - declined
2020-12-04 Enumerations - included in PHP 8.1
2018-06-15 Typed Properties v2 - implemented in PHP 7.4
2016-08-12 Object typehint - included in PHP 7.2
2016-08-14 Arrow functions - withdrawn
2016-05-29 array_change_keys() - withdrawn
2016-04-19 Lexical scope support for anonymous classes - suspended
2016-04-17 Functional Interfaces - declined
2016-03-16 Typed Properties - superseded in favor of Typed Properties 2.0
2015-08-27 Callable Prototypes - declined
2015-05-01 Short Closures - declined / withdrawn in favor of Arrow Functions
2015-02-18 Scalar type hints v5 - included in PHP 7
2015-02-14 Union Types - declined
2013-09-22 Anonymous classes - included in PHP 7

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