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run code in 150+ php & hhvm versions
Bugs & Features
<?php trait DataCollector { static function setData( $data ) { self::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' ) echo 'here'; return $CollectionData; } private static function getCollectedData() { self::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 ); } } $Field1 = new Field( 'text' ); $Field2 = new Field( 'html' ); var_dump( 'Collected Data', dataHandler::getCollectedData() );
Output for 5.4.0 - 5.6.28, hhvm-3.12.0, 7.0.0 - 7.1.0
array(1) { [0]=> string(4) "text" } array(2) { [0]=> string(4) "text" [1]=> string(4) "html" } herestring(14) "Collected Data" NULL
Output for hhvm-3.10.0

Process exited with code 153.
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.3.29
Parse error: syntax error, unexpected T_STRING in /in/tTBjC 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/tTBjC on line 2
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/tTBjC on line 2
Process exited with code 255.