$wgMessagesDirs was never initialized. Although not strictly required by PHP, it is generally a good practice to add $wgMessagesDirs = array(); before regardless.
Adding an explicit array definition is generally preferable to implicit array
definition as it guarantees a stable state of the code.
Let’s take a look at an example:
foreach($collectionas$item){$myArray['foo']=$item->getFoo();if($item->hasBar()){$myArray['bar']=$item->getBar();}// do something with $myArray}
As you can see in this example, the array $myArray is initialized the first
time when the foreach loop is entered. You can also see that the value of the
bar key is only written conditionally; thus, its value might result from a
previous iteration.
This might or might not be intended. To make your intention clear, your code
more readible and to avoid accidental bugs, we recommend to add an explicit
initialization $myArray=array() either outside or inside the foreach loop.
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// Set to true to notify users when they are unassigned from a task
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global $wgSemanticTasksNotifyIfUnassigned;
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$wgSemanticTasksNotifyIfUnassigned = false;
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}
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/**
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* @since 1.0
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*/
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public static function onExtensionFunction() {
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// Check requirements after LocalSetting.php has been processed
die( "\nThe 'Semantic Tasks' extension requires the 'Semantic MediaWiki' extension to be installed and enabled.\n" );
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} else {
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die(
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'<b>Error:</b> The <a href="https://github.com/SemanticMediaWiki/SemanticTasks">Semantic Tasks</a> extension' .
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' requires the <a href="https://www.semantic-mediawiki.org/wiki/Semantic_MediaWiki">Semantic MediaWiki</a> extension to be installed and enabled.<br />'
SemanticMediaWiki /
SemanticTasks
PeterTheOne
Adding an explicit array definition is generally preferable to implicit array definition as it guarantees a stable state of the code.
Let’s take a look at an example:
As you can see in this example, the array
$myArrayis initialized the first time when the foreach loop is entered. You can also see that the value of thebarkey is only written conditionally; thus, its value might result from a previous iteration.This might or might not be intended. To make your intention clear, your code more readible and to avoid accidental bugs, we recommend to add an explicit initialization $myArray = array() either outside or inside the foreach loop.