Questions tagged as 'php'

Tagged questions
2
answers

How to remove a character repeated in sequence?

How do I remove the repeated characters in sequence with PHP? Entry:    Ellizabetth Output:    Elizabeth     
asked by 10.08.2016 / 21:06
3
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Foreach Array by incrementing another array

With a question about foreach and incrementing another helper to perform an insert in the database, see: When I send a form via post I get the following array as a result: array (size=2) 'quantidade' => array (size=8) 0 =>...
asked by 14.11.2016 / 12:43
4
answers

How can I generate a 7-character alphanumeric key?

How can I generate a key with 7 alpha-numeric characters, completely random in PHP? In other words, I want to make a key with completely random numbers and capital letters. I've tried using the rand, but the rand only generates numbers.  ...
asked by 07.07.2016 / 04:52
2
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What happens if I do not specify {}?

I have this code that works normally: if($time <= time()) { if($time != 0) $Server->wsSend(1, 'perfect world'); foreach ( $Server->wsClients as $id => $client ) $time = time() + $adminMess...
asked by 15.03.2015 / 16:52
2
answers

PHP on linux or windows

Explanation: I know it's a controversial question, but I'm not an old man of the programming and I'm knowledgeable about linux, but I've never chosen it because I use C # from time to time and in my college they are pro-microsoft. So the wo...
asked by 01.05.2015 / 06:03
3
answers

PHP failed echo

Because this: echo 1 ^ 2; is equal to 3? And because this: echo 0x33, ' birds sit on ', 022, ' trees.'; It looks like this: "51 birds sit on 18 trees"?     
asked by 24.10.2017 / 20:49
4
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What's the difference in using sprintf in relation to using variables within the string?

Looking at some libraries and examples, it is common to find sprintf in some situations that I find strange. Reading your documentation I noticed that there are several types of formatting , however I see some cases that I do not see...
asked by 18.01.2017 / 01:21
1
answer

Move string and replace a specific PHP character

I wanted to replace, in a string, all occurrences of the & character with a e (or remove it). The character may be in the middle of a word or appear multiple times in the same string. Example:    Original value: John went...
asked by 26.05.2014 / 10:09
4
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Include UTF-8 charset in mysqli connection

Hello, after repairing my code is full of strange characters like ???, I tried to fix it but I discovered that I need to change the charset through the mysqli connection, but the problem is that I do not know how to do this! Can anyone help m...
asked by 30.07.2015 / 20:37
3
answers

How to connect to MySQL only once, without ever having to instantiate?

How do I connect to MySQL only once, without having to re-write it in every function? Currently I do this: class Site { var $driver; var $host; var $dbname; var $user; var $pass; public function __construct($driver,...
asked by 08.12.2014 / 14:51