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<?php trait setData { static function setData( $data ) { DataCollector::collectedData( 'set', $data ); } } trait dataHandler { use setData; static function getCollectedData() { DataCollector::collectedData( 'get' ); } private static function collectedData( $type, $value = NULL ) { if( strtolower( $type ) === 'set' ) { self::$CollectionData[] = $value; var_dump( self, DataCollector::$CollectionData); } elseif( strtolower( $type ) === 'get' ) return DataCollector::$CollectionData; } } class DataCollector { use dataHandler { collectedData as public; } private static $CollectionData = array(); } class Form { use setData {} } class Field extends Form { public function __construct( $type, $text = NULL ) { self::setData( $type ); } } class A { use setData{} public function __construct( $type, $text = NULL ) { self::setData( $type ); } } $Field1 = new Field( '1' ); $Field2 = new Field( '2' ); $A = new A( '3' ); #DataCollector::setData('4'); #dataHandler::setData('5'); var_dump( DataCollector::getCollectedData() );
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Fatal error: Uncaught Error: Undefined constant "self" in /in/brBtl:18 Stack trace: #0 /in/brBtl(4): DataCollector::collectedData('set', '1') #1 /in/brBtl(34): Form::setData('1') #2 /in/brBtl(46): Field->__construct('1') #3 {main} thrown in /in/brBtl on line 18
Process exited with code 255.
Output for 7.2.0 - 7.2.33, 7.3.12 - 7.3.33, 7.4.0 - 7.4.33
Warning: Use of undefined constant self - assumed 'self' (this will throw an Error in a future version of PHP) in /in/brBtl on line 18 string(4) "self" array(1) { [0]=> string(1) "1" } Warning: Use of undefined constant self - assumed 'self' (this will throw an Error in a future version of PHP) in /in/brBtl on line 18 string(4) "self" array(2) { [0]=> string(1) "1" [1]=> string(1) "2" } Warning: Use of undefined constant self - assumed 'self' (this will throw an Error in a future version of PHP) in /in/brBtl on line 18 string(4) "self" array(3) { [0]=> string(1) "1" [1]=> string(1) "2" [2]=> string(1) "3" } 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
Notice: Use of undefined constant self - assumed 'self' in /in/brBtl on line 18 string(4) "self" array(1) { [0]=> string(1) "1" } Notice: Use of undefined constant self - assumed 'self' in /in/brBtl on line 18 string(4) "self" array(2) { [0]=> string(1) "1" [1]=> string(1) "2" } Notice: Use of undefined constant self - assumed 'self' in /in/brBtl on line 18 string(4) "self" array(3) { [0]=> string(1) "1" [1]=> string(1) "2" [2]=> string(1) "3" } 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/brBtl 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/brBtl on line 2
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/brBtl on line 2
Process exited with code 255.
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