PHPのスカラー型をクラスでラップして便利に使えるようにするライブラリ「Stannum」を作った話

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1. Copyright© M&A
   PHP
   
   
   Stannum
   
   
   PHPerKaigi
   2 0
   2
   2
   

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2. Copyright© M&A
   2
   M&A
   
   
   
   
   Twitter: @myskng
   
   
   (Twitter ... ...)
   
   
   GitHub: @tumugin
   
   
   PHP(Laravel)
   
   
   JavaScript TypeScript(Vue)
   
   
   ( Ruby Kotlin ...)
   

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3. Copyright© M&A
   3
   

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4. Copyright© M&A
   4
   
   
   

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   5
   
   ) , , , , , ,, ,,,
   
   
   
   
   
   
   
   
   ...
   
   
   string
   
   
   
   
   
   
   string
   

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6. Copyright© M&A
   6
   
   
   ( ...)
   
   
   ( UI )
   

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7. Copyright© M&A
   Ruby
   7
   ....?
   
   
   ' , , , , , ,, ,,,'
   
   
   .split(',')
   
   
   .filter { |s| !s.strip.empty? }
   
   
   .map { |s| s.strip }
   
   
   .uniq
   
   
   => [" ", " ", " ", " "]
   
   
   PHP ....( )
   

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8. Copyright© M&A
   PHP
   8
   PHP ...
   
   
   $inputTags = ' , , , , , ,, ,,,';
   
   
   $splitTags = explode(',', $inputTags);
   
   
   $splitTagsWithoutEmpty = [];
   
   
   foreach ($splitTags as $tag) {
   
   
   if (trim($tag) !== '') {
   
   
   $splitTagsWithoutEmpty[] = trim($tag);
   
   
   }
   
   
   }
   
   
   $splitTagsWithoutEmptyAndDuplicate = array_unique($splitTagsWithoutEmpty);
   
   
   ...? ....?
   

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9. Copyright© M&A
   PHP
   9
   
   array_unique(
   
   
   array_map(
   
   
   fn(string $s) => trim($s),
   
   
   array_filter(
   
   
   explode(',', ' , , , , , ,,, ,,'),
   
   
   fn(string $s) => trim($s) !== ''
   
   
   )
   
   
   )
   
   
   );
   
   
   ...😇 😇 😇
   

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10. Copyright© M&A
    10
    🥺🥺🥺
    

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11. Copyright© M&A
    11
    
    
    

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12. Copyright© M&A
    12
    

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13. Copyright© M&A
    13
    
    
    
    
    

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14. Copyright© M&A
    14
    extension
    (nikic/scalar_objects)
    
    
    -
    ...
    
    
    - PHP
    

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15. Copyright© M&A
    15
    RFCs
    
    
    PHP RFC: Autoboxing
    
    
    https://wiki.php.net/rfc/autoboxing
    
    
    PHP RFC: Class-like Primitive Types
    
    
    https://wiki.php.net/rfc/class-like_primitive_types
    
    
    ...
    
    
    

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16. Copyright© M&A
    16
    
    
    
    ...🥺🥺
    

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17. Copyright© M&A
    17
    ...
    

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18. Copyright© M&A
    18
    
    💡💡💡💡
    

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19. Copyright© M&A
    19
    
    
    

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20. Copyright© M&A
    20
    ...
    tumugin/stannum
    
    
    
    PHP
    7
    .
    4
    
    
    
    ( array)
    
    
    float/double
    
    
    integer
    
    
    string
    
    
    
    Sn => Stannum( )
    

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21. Copyright© M&A
    21
    SnString::byString(' , , , , , ,, ,,,')
    
    
    ->split(',')
    
    
    ->filter(fn(SnString $s) => !$s->trim()->isEmpty())
    
    
    ->map(fn(SnString $s) => $s->trim())
    
    
    ->distinct()
    
    
    ->toSnStringList()
    
    
    ->toStringArray();
    
    
    ... PHP
    

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22. Copyright© M&A
    22
    PHP ...?
    

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23. Copyright© M&A
    ... foreach ...?
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    $sushiList = SnStringList::byStringArray([
    
    
    ' ',
    
    
    ' ',
    
    
    ' ',
    
    
    ' ',
    
    
    ' ',
    
    
    ]);
    
    
    foreach ($sushiList as $sushi) {
    
    
    // something...
    
    
    }
    
    
    

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24. Copyright© M&A
    __toString() ...?
    24
    $wantToEatSushi = SnString::byString(
    
    
    ' '
    
    
    );
    
    
    return "{$wantToEatSushi} ";
    
    
    =>
    

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25. Copyright© M&A
    25
    

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26. Copyright© M&A
    26
    
    composer require tumugin/stannum
    
    
    

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