Re: preg_match(): return vualue

From	alex <1j9448a02@lnx159sneakemail.com.invalid>
Newsgroups	comp.lang.php
Subject	Re: preg_match(): return vualue
Date	2020-11-28 15:09 +0100
Organization	Aioe.org NNTP Server
Message-ID	<rptlmg$1t7k$1@gioia.aioe.org> (permalink)
References	<rpt2dq$1e5k$1@gioia.aioe.org> <i2el7jFdnmlU1@mid.individual.net>

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Il 28/11/20 10:57, J.O. Aho ha scritto:
> 
> Put is simply you can get a result that is 0 (no result) or false 
> (error), these two values are equal if you make a simple comparison of 
> the values
> 
> var_dump(0 == false); // => bool(true)
> 
> If you need to distinguish between error and no result you need to see 
> if the values are identical
> 
> var_dump(0 === false); // => bool(false)
> 
> 
> In theory the error result could happen when you have a string that 
> should match what you are looking for, but also include data that causes 
> the regex to fail.
> 
> See https://www.php.net/manual/en/language.operators.comparison.php for 
> more information on comparison operators.

thanks

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preg_match(): return vualue alex <1j9448a02@lnx159sneakemail.com.invalid> - 2020-11-28 09:40 +0100
  Re: preg_match(): return vualue Stefan+Usenet@Froehlich.Priv.at (Stefan Froehlich) - 2020-11-28 08:46 +0000
    Re: preg_match(): return vualue alex <1j9448a02@lnx159sneakemail.com.invalid> - 2020-11-28 15:09 +0100
      Re: preg_match(): return vualue Allodoxaphobia <trepidation@example.net> - 2020-11-28 18:12 +0000
  Re: preg_match(): return vualue "J.O. Aho" <user@example.net> - 2020-11-28 10:57 +0100
    Re: preg_match(): return vualue alex <1j9448a02@lnx159sneakemail.com.invalid> - 2020-11-28 15:09 +0100

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