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<?php trait DataCollector { static $CollectionData = array(); static function setData( $data ) { $CollectionData[] = $data; var_dump( $CollectionData ); } private static function getCollectedData() { return $CollectionData; } } trait dataHandler { use DataCollector { getCollectedData as public; } } class Form { use DataCollector {} } class Field extends Form { public function __construct( $type, $text = NULL ) { self::setData( $type ); } } $Field1 = new Field( 'text' ); $Field2 = new Field( 'html' ); var_dump( 'Collected Data', dataHandler::getCollectedData() );
Output for 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
array(1) { [0]=> string(4) "text" } array(1) { [0]=> string(4) "html" } Deprecated: Calling static trait method dataHandler::getCollectedData is deprecated, it should only be called on a class using the trait in /in/e9AXG on line 30 Warning: Undefined variable $CollectionData in /in/e9AXG on line 13 string(14) "Collected Data" NULL
Output for 8.0.0 - 8.0.30
array(1) { [0]=> string(4) "text" } array(1) { [0]=> string(4) "html" } Warning: Undefined variable $CollectionData in /in/e9AXG on line 13 string(14) "Collected Data" NULL
Output for 5.4.0 - 5.4.45, 5.5.0 - 5.5.36, 5.6.0 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.2.0 - 7.2.33, 7.3.12 - 7.3.31, 7.4.0 - 7.4.25, 7.4.27 - 7.4.33
array(1) { [0]=> string(4) "text" } array(1) { [0]=> string(4) "html" } Notice: Undefined variable: CollectionData in /in/e9AXG on line 13 string(14) "Collected Data" NULL
Output for 7.3.32 - 7.3.33, 7.4.26
array(1) { [0]=> string(4) "text" } array(1) { [0]=> string(4) "html" } string(14) "Collected Data" NULL
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29
Parse error: syntax error, unexpected T_STRING in /in/e9AXG on line 2
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.3.11, 4.4.0 - 4.4.1, 5.0.0 - 5.0.5
Parse error: parse error, unexpected T_STRING in /in/e9AXG on line 2
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/e9AXG on line 2
Process exited with code 255.
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