Php Fatal Error Require_once Cannot Redeclare
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ads with us Stack Overflow Questions Jobs Documentation Tags Users Badges Ask Question x Dismiss Join the Stack Overflow Community Stack Overflow is a community of 6.2 million programmers, just like you, helping each other. Join them; it only takes a minute: php cannot redeclare class require_once Sign up Cannot redefine class on 'require_once' up vote 11 down vote favorite 1 UPDATE: I've abandoned CodeIgniter, and the desire to build a web interface around my database application from PHP, as there was no way of getting rid of this bug... The Exception I get this exception: Fatal error: require_once(): Cannot redeclare class doctrine\orm\abstractquery in Q:\Digest\lib\Symfony\Component\HttpFoundation\UniversalClassLoader.php on line 190 Call Stack: 0.0007 330016 1. {main}() Q:\Digest\index.php:0 0.0058 330800 2. require_once('Q:\Digest\lib\CodeIgniter\core\CodeIgniter.php') Q:\Digest\index.php:163 0.2207 935856 3. call_user_func_array() Q:\Digest\lib\CodeIgniter\core\CodeIgniter.php:297 0.2207 935904 4. Crud->index() Q:\Digest\lib\CodeIgniter\core\CodeIgniter.php:0 0.2574 1065064 5. Crud->__getEntities() Q:\Digest\Application\controllers\crud.php:19 0.2649 1121824 6. Doctrine\ORM\AbstractQuery->getResult() Q:\Digest\Application\controllers\crud.php:49 0.2649 1121976 7. Doctrine\ORM\AbstractQuery->execute() Q:\Digest\lib\Doctrine\ORM\AbstractQuery.php:366 0.2651 1121976 8. Doctrine\ORM\Query->_doExecute() Q:\Digest\lib\Doctrine\ORM\AbstractQuery.php:528 0.2651 1121976 9. Doctrine\ORM\Query->_parse() Q:\Digest\lib\Doctrine\ORM\Query.php:223 0.2848 1185896 10. Doctrine\ORM\Query\Parser->parse() Q:\Digest\lib\Doctrine\ORM\Query.php:203 0.3089 1238704 11. Doctrine\ORM\Query\SqlWalker->getExecutor() Q:\Digest\lib\Doctrine\ORM\Query\Parser.php:311 0.3090 1239104 12. Symfony\Componen
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Php Fatal Error Cannot Redeclare Function
Stack Overflow is a community of 6.2 million programmers, just like you, helping each other. Join them; it only takes a minute: Sign up PHP Fatal error: Cannot redeclare class up vote 121 http://stackoverflow.com/questions/5304105/cannot-redefine-class-on-require-once down vote favorite 11 Does anyone know what can cause this problem? PHP Fatal error: Cannot redeclare class php share|improve this question edited Jan 30 '14 at 5:34 rm-vanda 2,46621330 asked Apr 2 '09 at 3:11 SkyWeng 11.8k53112146 11 This can append with APC + autload see stackoverflow.com/questions/4575341/… –gagarine Mar 4 '12 at 17:04 3 Use autoload, or you can also try if(!class_exists('YourClass')){ include 'YourClass.php'; } http://stackoverflow.com/questions/708140/php-fatal-error-cannot-redeclare-class –Timo Huovinen Sep 18 '12 at 17:28 add a comment| 18 Answers 18 active oldest votes up vote 98 down vote accepted It means you've already created a class. For instance: class Foo {} // some code here class Foo {} That second Foo would throw the error. share|improve this answer answered Apr 2 '09 at 3:15 whichdan 1,6061210 55 This answer is not as helpful as AaronLS's. I don't think the questioner would have asked the question if (s)he had written an obvious repetition like this (even in quite a complex situation). The include_once tip helps to clarify an obscure feature of PHP. –DavidHyogo Mar 20 '13 at 2:12 2 This error might also occur if you define the __construct method more than once. –Jack Trowbridge Sep 1 '13 at 21:27 1 AaronLS's answer is perfect.. –Krunal Panchal Feb 19 '14 at 4:13 3 Just use include_once('FooBar.php') to include your class. The name of the function is self-explanatory. –Marco Matarazzi Feb 19 '14 at 13:49 1 AaronLS's answer is much higher rated, and you can find it way down here. –qris Oct 7 '14 at 11:48 | show 2 more comments up vote 266 down vot
help? Post your question and get tips & solutions from a community of 418,617 IT Pros & Developers. It's quick & easy. require_once doesn't work, https://bytes.com/topic/php/answers/461064-require_once-doesnt-work-cannot-redeclare-class "cannot redeclare class..." P: n/a Kimmo Laine I'm flipping my wig here, people. I'm using classes and making each class a file. when I'm including dependet classess, I use require_once to avoid multiple declarations - yet they happen. I put debug_print_backtrace in the file to see how it is included, and here's the output: #0 require_once() called at [\eKirje.textGrid.class.php:4] #1 require_once(\eKirje.textGrid.class.php) called cannot redeclare at [\lasku.eKirjeLasku.class.php:3]#0 require_once() called at [\eKirje.kanava.class.php:3] #1 require_once(\eKirje.kanava.class.php) called at [\eKirje.EPL8.class.php:3] #2 require_once(\eKirje.EPL8.class.php) called at [\eKirje.kirje.class.php:3] #3 require_once(\eKirje.kirje.class.php) called at [\lasku.eKirjeLasku.class.php:5]
Fatal error: Cannot redeclare class boxcontainer in \eKirje.boxcontainer.class.php on line 5
As you see, it does get required twice regardless of the use of require_once in each call. And eventually the class gets declared again. My fix for the problem cannot redeclare class was to use if( !in_array('boxcontainer', get_declared_classes()) ) { require_once('eKirje.boxContainer.class.php'); } in the files and now it works, but I'm just totally baffeld of why this is happening? How come the require_once fails to function? Am I missing something here? I made the simplest test case where I had four files where in the first of them I declare a class, then require_once it to two other files and then finally require_once the two files to a fourth file. In this case I did not get redeclaration errors, for some reason it worked okay then, the class was declared only one and it worked okay. -- "En ole paha ihminen, mutta omenat ovat elinkeinoni." -Perttu Sirviö sp**@outolempi.net | Gedoon-S @ IRCnet | rot13(xv***@bhgbyrzcv.arg) Feb 24 '06 #1 Post Reply Share this Question 11 Replies P: n/a Erwin Moller Kimmo Laine wrote: I'm flipping my wig here, people. I'm using classes and making each class a file. when I'm including dependet classess, I use require_once to avoid multiple declarations - yet they happen. I put debug_print_backtrace in the file to see how it is included, and here's t