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PHP foreach change original array values

...lt;= 0) { $fields[$key]['value'] = "Some error"; } } So basically use $field when you need the values, and $fields[$key] when you need to change the data. share | improve this answer ...
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Is there any particular difference between intval and casting to int - `(int) X`?

... behavior is a little surprising given the fact that the function theoretically can do base conversion. It definitely tripped me up before, but perhaps I just need to RTFM a bit more carefully :) – t-dub Feb 10 '12 at 17:07 ...
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SET NAMES utf8 in MySQL?

... @ Vinko Vrsalovic: Not necessarily... I had all my files in utf8 but my previous hoster has had the mysql charset set to latin1 and because i havent told mysql that I am sending chars in utf8 (hence set names utf8) it stored them in latin charset and all my special cha...
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PHP function to make slug (URL string)

...aprint") will return "EFI" and leak a warning. – Kendall Hopkins Feb 14 '12 at 2:12 2 @Maerlyn an...
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PHP how to get local IP of system

... This is the solution that worked for me and that avoids calling shells, operating system commands and all sorts of stuff that can open security holes or raise odd issues later. – Dario Fumagalli Jul 17 '14 at 10:59 ...
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Want to exclude file from “git diff”

...p ) from a Git diff. I have tried putting a file in the db subdirectory called .gitattributes with the line irrelevant.php -diff and I have also tried creating a file called .git/info/attributes containing db/irrelevant.php . ...
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Hidden features of mod_rewrite

...e rules are processed once, as opposed to each time the .htaccess file is called). Logging mod_rewrite requests Logging may be enabled from within the httpd.conf file (including <Virtual Host>): # logs can't be enabled from .htaccess # loglevel > 2 is really spammy! RewriteLog /path/to/r...
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Find the last element of an array while using a foreach loop in PHP

...x compared to this one. I have not ran any tests but I guess this answer shall be faster as it is not extracting array of keys.This shall have O(1) speed – Vaibhav Kamble Mar 20 '09 at 7:09 ...
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How to convert string to boolean php

...ted by @lauthiamkok in the comments. I'm posting it here as an answer to call more attention to it. Depending on your needs, you should consider using filter_var() with the FILTER_VALIDATE_BOOLEAN flag. filter_var( true, FILTER_VALIDATE_BOOLEAN); // true filter_var( 'true', FILTER_VALIDATE_...
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Ruby function to remove all white spaces?

What is the Ruby function to remove all white spaces? I'm looking for something kind of like PHP's trim() ? 23 Answers ...