What potential issues can arise when trying to reference an object in PHP without success?

When trying to reference an object in PHP without success, it usually means that the object is not instantiated or accessed correctly. To solve this issue, make sure that the object is properly created using the "new" keyword and that the correct object properties or methods are being accessed. 

// Incorrect way of referencing an object without success
$object->method(); // This will throw an error if $object is not instantiated correctly

// Correct way of referencing an object
$object = new ClassName();
$object->method(); // This will successfully reference the object and call the method

Keywords

PHP object reference error troubleshooting

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