php fatal eror Fatal error: Cannot redeclare [closed] - php

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gettng the below even though the file is quotes is the file I am using and the line is the exact line of the actual function declaration ?
Fatal error: Cannot redeclare sortByTest() (previously declared in ."file"... line .."123"

It just means you're including that file twice. The first time it is included, everything is fine. The next time it is included, PHP goes through the file again, gets to the "function sortByTest(...)" declaration and it goes BOOM because it already had the function defined in memory.
To solve this, change the part where you're including the file to one of:
include_once "..."
or
require_once "..."
I recommend require_once if it is not a view template file.

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Fatal error: Uncaught Error: Array callback must have exactly two elements [closed]

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Closed 12 months ago.
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I tried a lot but it, again and again, showing same error:
Fatal error: Uncaught Error: Array callback must have exactly two elements",
error is showing on line no.2
if($_SERVER(['REQUEST_METHOD'] == 'POST')){
$_SERVER is not a function, its an array, you need to remove () after $_SERVER, and your code will look like below
if($_SERVER['REQUEST_METHOD'] == 'POST'){ ... }
PS: as everyone said , your script is open to SQL Injection Attack and Never store passwords in the database as Plain Text. Please follow the guidelines on the comments

Receiving Fatal error: Call to a member function title() on array [closed]

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Closed 4 years ago.
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I'm learning PHP POO and I'm having trouble using the variables to the META TITLE and DESCRIPTION. I've checked all the topics related but couldn't find an example close to my problem.
Here's the part of the code concerned :
$model_Article = new Model_Article($db);
$contenuArticle = $model_Article->StockageDonneesById($id);
// die(var_dump($contenuArticle));
$affichage = new View_Article($contenuArticle->title(),$contenuArticle->description());
$affichage->setContenuArticle($contenuArticle);
$affichage->head();
$affichage->nav();
$affichage->genererArticle();
$affichage->foot();
The variables $contenuArticle->title()and $contenuArticle->description() are supposed to generate TITLE and DESCRIPTION metas, but they send back the error Fatal error: Call to a member function title() on array
Var_dump show that the Array isn't empty and return the right content.
I'm pretty sure it's a common error but I'm lacking experience to point it. Let me know if I can provide more specific intels on my files.
Using var_dump($contenuArticle) shows the return of $model_Article->StockageDonneesById($id) is an array, with 1 element.
changing line 6 to:
$affichage = new View_Article($contenuArticle[0]->title(),$contenuArticle[0]->description());
Solved the issue

Laravel 5.3 error-Use of undefined constant kadmin - assumed 'kadmin' (View: C:\wamp64\www\admin\resources\views\kadmin\layout.blade.php) [closed]

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Closed 5 years ago.
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I am using laravel 5.3 to build an a page but after specifying a route and using it in a browser, the following error appears
"Use of undefined constant strah - assumed 'strah' (View: C:\wamp64\www\admin\resources\views\strah\layout.blade.php)".
I have created a layout.blade.php file and has the following line which i think is the root cause
#include(strah.header.header)
Do I have any wrong syntax?
What can I do to get it running?
Route::get('/dashboard',function() {
return view('strah.layout');
});
You have to enclose the include value within quotes. Try :
#include('strah.header.header')
Change
#include(strah.header.header)
to
#include("strah.header.header")

Notice: Use of undefined constant DIR - assumed '_DIR_' [closed]

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Closed 7 years ago.
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I am getting this error. Cant seem to find what the problem is:
Notice: Use of undefined constant DIR - assumed 'DIR' in C:\wamp\www\Authentication\app\start.php on line 7
How can I get rid of this error?
Here is the code:
<?php
session_cache_limiter(false);
session_start();
define('INC_ROOT', dirname(_DIR_));
echo INC_ROOT;
?>
I also tried dirname(_FILE_) and it still doesn't work. I'm using php 5.5.12
"i had two underscores - one at each side"
As per the manual
http://php.net/manual/en/language.constants.predefined.php
The magic constants require 2X underscores on both sides.
__DIR__
__FILE__

PHP - start_session undefined [closed]

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Closed 8 years ago.
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I've been using session_start() fine with my other PHP files. Now however, I am trying to put functions into one file and then be able to call them from various other PHP files.
I simply have this in one file:
<?php require("CustomerFunctions.php");
start_session();
PrintCustomerTable();
?>
However I am getting Fatal error: Call to undefined function start_session()
Again, I am able to use start_session everywhere else in my files but now for some reason it won't work in this file. It has the same result even if I remove the require.
The function you're looking for is called session_start().

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