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@ 2012-09-08T15:27:31Z

<?php
$test_data1 = array('one','two','three');
// all is ok

$test_data2 = array(array('one','two','three'));
// windows error:
// #The instruction at '<address>' referenced memory at '<address>'.
// #The memory could not be read.
// #Click OK to terminate the program.
// No error shows up in console, sometimes script stops without error but sometimes executes like nothing is happening.

$test_data3 = array(array('one','two','three'),array('four','five','six'));
// error in PHP console:
// Fatal error: Call to a member function show_message() on a non-object in c:\scripts\found-error.php on line xx
// values one two three are displayed, four five and six are ommitted.

class myClass {

	function iterate_multidim_array($array) {
		array_walk_recursive($array,function(&$val,$key,&$obj) {
			$obj->show_message($val);
		},$this);
	}
	
	function show_message($msg) {
		echo $msg."\n";
	}

}

$myInstance = new MyClass();
$myInstance-> iterate_multidim_array($test_data3);
?>

Output for git.master, git.master_jit, rfc.property-hooks: Warning: myClass::{closure}(): Argument #3 ($obj) must be passed by reference, value given in /in/B8FU9 on line 20 one Warning: myClass::{closure}(): Argument #3 ($obj) must be passed by reference, value given in /in/B8FU9 on line 20 two Warning: myClass::{closure}(): Argument #3 ($obj) must be passed by reference, value given in /in/B8FU9 on line 20 three Warning: myClass::{closure}(): Argument #3 ($obj) must be passed by reference, value given in /in/B8FU9 on line 20 four Warning: myClass::{closure}(): Argument #3 ($obj) must be passed by reference, value given in /in/B8FU9 on line 20 five Warning: myClass::{closure}(): Argument #3 ($obj) must be passed by reference, value given in /in/B8FU9 on line 20 six

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Once feature-branches are merged or declined, they are no longer available. Their functionality (when merged) can be viewed from the main output page

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2016-08-14 Arrow functions - withdrawn
2016-05-29 array_change_keys() - withdrawn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2016-03-16 Typed Properties - superseded in favor of Typed Properties 2.0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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