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run code in 150+ php & hhvm versions
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<?php trait DataCollector { static function setData( $data ) { DataCollector::collectedData( 'set', $data ); } private static function collectedData( $type, $value = NULL ) { static $CollectionData = array(); if( strtolower( $type ) === 'set' ) { $CollectionData[] = $value; var_dump($CollectionData); } elseif( strtolower( $type ) === 'get' ) var_dump($CollectionData); } private static function getCollectedData() { DataCollector::collectedData( 'get' ); } } trait dataHandler { use DataCollector { getCollectedData as public; } } class Form { use DataCollector {} } class Field extends Form { public function __construct( $type, $text = NULL ) { DataCollector::setData( $type ); } } class A { use DataCollector{} public function __construct( $type, $text = NULL ) { DataCollector::setData( $type ); } } $Field1 = new Field( '1' ); $Field2 = new Field( '2' ); $A = new A( '3' ); DataCollector::setData('4'); dataHandler::getCollectedData();
Output for 7.0.0 - 7.1.0
array(1) { [0]=> string(1) "1" } array(2) { [0]=> string(1) "1" [1]=> string(1) "2" } array(3) { [0]=> string(1) "1" [1]=> string(1) "2" [2]=> string(1) "3" } array(4) { [0]=> string(1) "1" [1]=> string(1) "2" [2]=> string(1) "3" [3]=> string(1) "4" } Fatal error: Uncaught Error: Call to private method DataCollector::collectedData() from context 'dataHandler' in /in/tUaYR:20 Stack trace: #0 /in/tUaYR(47): dataHandler::getCollectedData() #1 {main} thrown in /in/tUaYR on line 20
Process exited with code 255.
Output for hhvm-3.12.0
array(1) { [0]=> string(1) "1" } array(2) { [0]=> string(1) "1" [1]=> string(1) "2" } array(3) { [0]=> string(1) "1" [1]=> string(1) "2" [2]=> string(1) "3" } array(4) { [0]=> string(1) "1" [1]=> string(1) "2" [2]=> string(1) "3" [3]=> string(1) "4" } Fatal error: Uncaught Error: Call to private method DataCollector::collectedData() from context 'dataHandler' in /in/tUaYR:20 Stack trace: #0 /in/tUaYR(47): dataHandler::getCollectedData() #1 {main}
Process exited with code 255.
Output for 5.4.0 - 5.6.28, hhvm-3.10.0
array(1) { [0]=> string(1) "1" } array(2) { [0]=> string(1) "1" [1]=> string(1) "2" } array(3) { [0]=> string(1) "1" [1]=> string(1) "2" [2]=> string(1) "3" } array(4) { [0]=> string(1) "1" [1]=> string(1) "2" [2]=> string(1) "3" [3]=> string(1) "4" } Fatal error: Call to private method DataCollector::collectedData() from context 'dataHandler' in /in/tUaYR on line 20
Process exited with code 255.
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.3.29
Parse error: syntax error, unexpected T_STRING in /in/tUaYR on line 2
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.4.1, 5.0.0 - 5.0.5
Parse error: parse error, unexpected T_STRING in /in/tUaYR on line 2
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/tUaYR on line 2
Process exited with code 255.