PHP est-il pertinent en 2021?

L'accent est depuis longtemps déplacé de PHP vers JavaScript et Python. Néanmoins, de nouvelles versions sortent et les tests de performances indiquent de bons progrès. Quelle est la pertinence de PHP aujourd'hui? Sous la coupe - les pensées du développeur, qui continue de lui donner la préférence.

Une brève histoire de PHP

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— PHP 8.0.

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function isValueSomething($value) {}
      
      

        
        
        
      

    
        
        
        
      
      

        
        
        
      

    
    

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7.4 PHP :

class Person {
    public string $firstName;

    public string $lastName;

    public int $age;

    public ?string $job;
}
      
      

        
        
        
      

    
        
        
        
      
      

        
        
        
      

    
    

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• : fn ($x, $y) => $x + $y;
  
  
  
  

  
  
  
  
  

• : $value = $array['key'] ?? 'default value';
  
  
  
  

  
  
  
  
  

• : return $cache['key'] ??= computeSomeValue('key');
  
  
  
  

  
  
  
  
  

• : $first = ['a', 'b']; $second = ['c', 'd']; $final= […$first, …$second];
  
  
  
  

  
  
  
  
  

• : array_fill(start_index: 0, num: 100, value: 50);
  
  
  
  

  
  
  
  
  

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Constructor promotion

Person



:

class Person {
    private string $firstName;

    private string $lastName; 

    protected int $age;

    public ?string $job;

    public function __construct(
        string $firstName,
        string $lastName,
        int $age,
        ?string $job
    ){
        $this->firstName = $firstName;
        $this->lastName = $lastName;
        $this->age = $age;
        $this->job = $job;
    }
}
      
      

        
        
        
      

    
        
        
        
      
      

        
        
        
      

    
    

PHP 8 :

class Person {
    public function __construct(
        private string $firstName,
        private string $lastName,
        protected int $age,
        public ?string $job
    ){}
}
      
      

        
        
        
      

    
        
        
        
      
      

        
        
        
      

    
    

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Nullsafe-

JavaScript, PHP . , PHP:

<?
if (is_null($repository)) {
    $result = null;
} else {
    $user = $repository->getUser(5);
    if (is_null($user)) {
        $result = null;
    } else {
        $result = $user->name;
    }
}
      
      

        
        
        
      

    
        
        
        
      
      

        
        
        
      

    
    

PHP null. nullsafe- :

$result = $repository?->getUser(5)?->name;

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function doSomething(int|string $value): bool|array {}
      
      

        
        
        
      

    
        
        
        
      
      

        
        
        
      

    
    

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Kinsta WordPress. WordPress 5.3.

:

• WordPress 5.3 PHP 5.6: 97,71 /

  
  
  
  
  

• WordPress 5.3 PHP 7.0: 256,81 /

  
  
  
  
  

• WordPress 5.3 PHP 7.1: 256,99 /

  
  
  
  
  

• WordPress 5.3 PHP 7.2: 273,07 /

  
  
  
  
  

• WordPress 5.3 PHP 7.3: 305,59 /

  
  
  
  
  

• WordPress 5.3 PHP 7.4: 313,42 /

  
  
  
  
  

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