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Bug #81641 strpos() bug if search string is on first column
Submitted: 2021-11-19 16:17 UTC Modified: 2021-11-19 16:38 UTC
From: raxe at msn dot com Assigned:
Status: Not a bug Package: Strings related
PHP Version: Irrelevant OS: Windows 10
Private report: No CVE-ID: None
View Developer Edit
 [2021-11-19 16:17 UTC] raxe at msn dot com 
Description:
------------
$full_string = "HELLOW WORD";
$search_string = "HELLOW";

if (strpos($full_string,$search_string)){ //This return false
  echo "True";
}else{
  echo "False";
}

Expected result:
----------------
True

Actual result:
--------------
False

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 [2021-11-19 16:38 UTC] requinix@php.net
-Status: Open +Status: Not a bug -Package: *Regular Expressions +Package: Strings related
 [2021-11-19 16:38 UTC] requinix@php.net 
Thank you for taking the time to write to us, but this is not
a bug. Please double-check the documentation available at
http://www.php.net/manual/ and the instructions on how to report
a bug at http://bugs.php.net/how-to-report.php

https://www.php.net/manual/en/function.strpos.php
> Warning
> This function may return Boolean false, but may also return a non-Boolean value
> which evaluates to false. Please read the section on Booleans for more
> information. Use the === operator for testing the return value of this function.
 
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