[Config] Add deprecation warning
If someone extends FileLoader and do not call the parent constructor a deprecation warning should be triggered.
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@ -86,7 +86,12 @@ abstract class FileLoader extends Loader
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// we fallback to the current locator to keep BC
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// as some some loaders do not call the parent __construct()
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// @deprecated should be removed in 3.0
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$locator = $loader->getLocator() ?: $this->locator;
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$locator = $loader->getLocator();
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if (null === $locator) {
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@trigger_error('Not calling the parent constructor in '.get_class($loader).' which extends '.__CLASS__.' is deprecated since version 2.7 and will not be supported anymore in 3.0.', E_USER_DEPRECATED);
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$locator = $this->locator;
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}
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$resource = $locator->locate($resource, $this->currentDir, false);
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}
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