Common PHP Errors and How to Fix Them
Browse all documented PHP errors with detailed explanations, root causes, and step-by-step fixes.
SQLSTATE[HY000] [1040] Too many connections
This error occurs when the maximum number of allowed database connections has been exceeded, preventing new connections …
Cannot pass string by reference as a wrapper in /var/www/html/api.php on line 12
This error occurs when attempting to use a string as a reference type, which is not allowed in PHP. It typically happens…
Error: Class 'App\Http\Controller\AuthController' not found in /var/www/html/pub
This error occurs when the framework is unable to locate a specific controller class, which is typically registered in t…
Trying to get property 'username' of non-object in /var/www/html/user.php on lin
This error occurs when you're trying to access an object property, but the variable you're accessing is not an object. T…
Warning: fclose() expects parameter 1 to be resource, boolean given in /var/www/
This error occurs when a function that expects a resource (such as a file or database connection) is called with a boole…
Cannot use object of type stdClass as array in /var/www/html/todo.php on line 28
This error occurs when you're trying to access an object's property as if it were an array. In PHP, objects and arrays a…
Undefined property: stdClass::$name in /var/www/html/user.php on line 34
This error occurs when you try to access a property or method of a non-existent object. In PHP, this often happens when …
Argument 1 passed to Illuminate\Routing\Route::current() must be of the type str
This error occurs when a Laravel application is trying to access the current route, but it expects a string as an argume…
Cannot access object property as array in /var/www/html/models/User.php on line
This error occurs when an object is treated as an array, but it does not have the necessary methods to be treated as suc…
Notice: Trying to access array offset on value of type null in /var/www/html/pro
This error occurs when you're trying to access a key from an array that doesn't exist or is null. In PHP, you can't dire…
The controller method 'login' does not exist in file '/var/www/html/app/Controll
This error occurs when the framework is unable to find a controller method that matches the requested action. This is of…
SQLSTATE[HY000] [2002] Connection timed out: Unable to connect to the database s
This error occurs when the database server is not responding within the specified time limit, usually due to a network i…
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