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run code in 150+ php & hhvm versions
Bugs & Features
<?php trait DataCollector { static function setData( $data ) { $this->collectedData( 'set', $data ); } private function collectedData( $type, $value = NULL ) { static $CollectionData = array(); if( strtolower( $type ) === 'set' ) $CollectionData[] = $value; elseif( strtolower( $type ) === 'get' ) 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 7.0.0 - 7.1.0
Fatal error: Uncaught Error: Using $this when not in object context in /in/BqFjb:5 Stack trace: #0 /in/BqFjb(28): DataCollector::setData('text') #1 /in/BqFjb(32): Field->__construct('text') #2 {main} thrown in /in/BqFjb on line 5
Process exited with code 255.
Output for hhvm-3.12.0
Fatal error: Uncaught Error: $this is null in /in/BqFjb:5 Stack trace: #0 /in/BqFjb(28): DataCollector::setData() #1 /in/BqFjb(32): Field->__construct() #2 {main}
Process exited with code 255.
Output for hhvm-3.10.0
Fatal error: $this is null in /in/BqFjb on line 5
Process exited with code 255.
Output for 5.4.0 - 5.6.28
Fatal error: Using $this when not in object context in /in/BqFjb on line 5
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/BqFjb 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/BqFjb on line 2
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/BqFjb on line 2
Process exited with code 255.