HTML API: phpstan check

[sirreal]

composer install
./vendor/bin/phpstan --memory-limit=4G analyze

  ------ ----------------------------------------------------------------------------- 
  Line   html-api/class-wp-html-decoder.php                                           
 ------ ----------------------------------------------------------------------------- 
  69     Variable $token_length might not be defined.                                 
         🪪  variable.undefined                                                       
  149    Variable $character_reference in isset() always exists and is not nullable.  
         🪪  isset.variable                                                           
 ------ ----------------------------------------------------------------------------- 

 ------ ---------------------------------------------------------------------------------------------- 
  Line   html-api/class-wp-html-processor-state.php                                                    
 ------ ---------------------------------------------------------------------------------------------- 
  366    PHPDoc tag @var has invalid value ([string, array]|null): Unexpected token "]", expected '('  
         at offset 202 on line 8                                                                       
         🪪  phpDoc.parseError                                                                         
 ------ ---------------------------------------------------------------------------------------------- 

 ------ ----------------------------------------------------------------------------------------------- 
  Line   html-api/class-wp-html-processor.php                                                           
 ------ ----------------------------------------------------------------------------------------------- 
  300    Unsafe usage of new static().                                                                  
         🪪  new.static                                                                                 
         💡 See: https://phpstan.org/blog/solving-phpstan-error-unsafe-usage-of-new-static              
  351    Unsafe usage of new static().                                                                  
         🪪  new.static                                                                                 
         💡 See: https://phpstan.org/blog/solving-phpstan-error-unsafe-usage-of-new-static              
  917    Method WP_HTML_Processor::step() should return bool but return statement is missing.           
  3016   Variable $node might not be defined.                                                           
         🪪  variable.undefined                                                                         
  3022   Variable $node might not be defined.                                                           
         🪪  variable.undefined                                                                         
  3286   Method WP_HTML_Processor::step_in_table() should return bool but return statement is missing.  
  3305   Method WP_HTML_Processor::step_in_table_text() should return bool but return statement is      
         missing.                                                                                       
  3917   Variable $parent might not be defined.                                                         
         🪪  variable.undefined                                                                         
  5693   Method WP_HTML_Processor::reconstruct_active_formatting_elements() should return bool but      
         return statement is missing.                                                                   
 ------ ----------------------------------------------------------------------------------------------- 

 ------ --------------------------------------------------------------------- 
  Line   html-api/class-wp-html-tag-processor.php                             
 ------ --------------------------------------------------------------------- 
  1603   Variable $closer_potentially_starts_at might not be defined.         
         🪪  variable.undefined                                               
  1604   Variable $closer_potentially_starts_at might not be defined.         
         🪪  variable.undefined                                               
  3508   Variable $replacement in isset() always exists and is not nullable.  
         🪪  isset.variable                                                   
  3875   Function wp_kses_uri_attributes not found.                           
         🪪  function.notFound                                                
         💡 Learn more at https://phpstan.org/user-guide/discovering-symbols  
 ------ --------------------------------------------------------------------- 

 [ERROR] Found 17 errors                                                                                

---

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[github-actions]

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