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run code in 150+ php & hhvm versions
Bugs & Features
<?php trait DataCollector { static function setData( $data ) { static $CollectionData = array(); echo self::$CollectionData[] = $data; echo "\n"; } static function getCollectedData() { return self::$CollectionData; } } class dataHandler { use DataCollector {} } class Form { use DataCollector { getCollectedData as private; } } class Field extends Form { public function __construct( $type ) { self::setData( $type ); } } $Field1 = new Field( 'text' ); $Field2 = new Field( 'email' ); var_dump( dataHandler::getCollectedData() );
Output for 7.0.0 - 7.1.0
Fatal error: Uncaught Error: Access to undeclared static property: Form::$CollectionData in /in/TgmMs:6 Stack trace: #0 /in/TgmMs(21): Form::setData('text') #1 /in/TgmMs(25): Field->__construct('text') #2 {main} thrown in /in/TgmMs on line 6
Process exited with code 255.
Output for 5.4.0 - 5.6.28
Fatal error: Access to undeclared static property: Form::$CollectionData in /in/TgmMs on line 6
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/TgmMs 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/TgmMs on line 2
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/TgmMs on line 2
Process exited with code 255.