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imap_search(): $charset parameter default value

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  imap_search(): $charset parameter default value alex <1j9448a02@lnx159sneakemail.com.invalid> - 2020-07-14 12:07 +0200
    Re: imap_search(): $charset parameter default value alex <1j9448a02@lnx159sneakemail.com.invalid> - 2020-07-14 12:33 +0200
    Re: imap_search(): $charset parameter default value "J.O. Aho" <user@example.net> - 2020-07-14 14:46 +0200
      Re: imap_search(): $charset parameter default value alex <1j9448a02@lnx159sneakemail.com.invalid> - 2020-07-14 16:05 +0200

#18298 — imap_search(): $charset parameter default value

What is?

I did some tests with null, NIL and 0, but I was unable to reach a 
conclusion.

function test($stream, $criteria, $options) {
     $charsets = [
         null,
         NIL,
         0,
     ];

     foreach ($charsets as $charset) {
         try {
             imap_search(
                 $stream,
                 $criteria,
                 $options,
                 $charset
             );
         } catch (\Throwable $throwable) {
             printf(
                 "%s (%s): %s\n",
                 $charset,
                 gettype($charset),
                 $throwable->getMessage()
             );
         }
     }
}

test(...);

Output:

  (NULL): imap_search() expects parameter 4 to be string, null given
0 (integer): imap_search() expects parameter 4 to be string, int given
0 (integer): imap_search() expects parameter 4 to be string, int given

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#18299

Il 14/07/20 12:07, alex ha scritto:
> What is?
> 
> I did some tests with null, NIL and 0, but I was unable to reach a 
> conclusion.
> 
> function test($stream, $criteria, $options) {
>      $charsets = [
>          null,
>          NIL,
>          0,
>      ];
> 
>      foreach ($charsets as $charset) {
>          try {
>              imap_search(
>                  $stream,
>                  $criteria,
>                  $options,
>                  $charset
>              );
>          } catch (\Throwable $throwable) {
>              printf(
>                  "%s (%s): %s\n",
>                  $charset,
>                  gettype($charset),
>                  $throwable->getMessage()
>              );
>          }
>      }
> }
> 
> test(...);
> 
> Output:
> 
>   (NULL): imap_search() expects parameter 4 to be string, null given
> 0 (integer): imap_search() expects parameter 4 to be string, int given
> 0 (integer): imap_search() expects parameter 4 to be string, int given

I add

$ php -v
PHP 7.4.3 (cli) (built: May 26 2020 12:24:22) ( NTS )
Copyright (c) The PHP Group
Zend Engine v3.4.0, Copyright (c) Zend Technologies
     with Zend OPcache v7.4.3, Copyright (c), by Zend Technologies
     with Xdebug v2.9.2, Copyright (c) 2002-2020, by Derick Rethans

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#18300

On 14/07/2020 12.07, alex wrote:
> What is?
> 
> I did some tests with null, NIL and 0, but I was unable to reach a 
> conclusion.
> 
>             imap_search( >                $stream,
>                $criteria,
>                $options,
>                $charset
>            ); 


> Output:
> 
>   (NULL): imap_search() expects parameter 4 to be string, null given
> 0 (integer): imap_search() expects parameter 4 to be string, int given
> 0 (integer): imap_search() expects parameter 4 to be string, int given

IMHO the error does tells quite well what the function expects, a 
string, for example 'UTF-8'. If you don't want to select a charset, then 
don't set one, example: imap_search($stream, $criteria, $options);

Both options and charset are optional, read more at
https://www.php.net/manual/en/function.imap-search.php

-- 

  //Aho

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#18301

Il 14/07/20 14:46, J.O. Aho ha scritto:
>>
> 
> IMHO the error does tells quite well what the function expects, a 
> string, for example 'UTF-8'. If you don't want to select a charset, then 
> don't set one, example: imap_search($stream, $criteria, $options);
> 
> Both options and charset are optional, read more at
> https://www.php.net/manual/en/function.imap-search.php

Thanks :)

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