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@ 2013-08-06T15:46:54Z

<?php
trait DataCollector {

    static function setData( $data ) {
        DataCollector::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 ) {
        self::setData( $type );
    }
}

$Field1 = new Field( 'text' );
$Field2 = new Field( 'html' );

var_dump( 'Collected Data', dataHandler::getCollectedData() );

Output for git.master, git.master_jit, rfc.property-hooks: Fatal error: Uncaught Error: Call to private method DataCollector::collectedData() from scope Form in /in/WWUrl:5 Stack trace: #0 /in/WWUrl(28): Form::setData('text') #1 /in/WWUrl(32): Field->__construct('text') #2 {main} thrown in /in/WWUrl on line 5
Process exited with code 255.

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2020-03-21 RFC: Is_Literal - declined
2020-12-04 Enumerations - included in PHP 8.1
2018-06-15 Typed Properties v2 - implemented in PHP 7.4
2016-08-12 Object typehint - included in PHP 7.2
2016-08-14 Arrow functions - withdrawn
2016-05-29 array_change_keys() - withdrawn
2016-04-19 Lexical scope support for anonymous classes - suspended
2016-04-17 Functional Interfaces - declined
2016-03-16 Typed Properties - superseded in favor of Typed Properties 2.0
2015-08-27 Callable Prototypes - declined
2015-05-01 Short Closures - declined / withdrawn in favor of Arrow Functions
2015-02-18 Scalar type hints v5 - included in PHP 7
2015-02-14 Union Types - declined
2013-09-22 Anonymous classes - included in PHP 7

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