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@ 2014-10-02T10:30:29Z

<?php

	$a = array (
  0 => 
  array (
    'name' => 'test',
    'address_1' => 'test',
    'address_2' => '',
    'address_3' => '',
    'address_4' => '',
    'postcode' => 'test',
    'country' => '1',
    'tel' => '123566',
  ),
  1 => 
  array (
    'name' => 'test',
    'address_1' => 'test',
    'address_2' => '',
    'address_3' => '',
    'address_4' => '',
    'postcode' => 'test',
    'country' => '1',
    'tel' => '123566',
  ),
  2 => 
  array (
    'name' => 'test',
    'address_1' => 'test',
    'address_2' => '',
    'address_3' => '',
    'address_4' => '',
    'postcode' => 'test',
    'country' => '1',
    'tel' => '123566',
  ),
  3 => 
  array (
    'name' => 'test',
    'address_1' => 'test',
    'address_2' => '',
    'address_3' => '',
    'address_4' => '',
    'postcode' => 'test',
    'country' => '1',
    'tel' => '123566',
  ),
);

//	$acount = array_count_values($a);
	
	print_r(array_keys($acount));
	
	var_export(array_keys($acount));

Output for git.master, git.master_jit, rfc.property-hooks: Warning: Undefined variable $acount in /in/jLpjU on line 52 Fatal error: Uncaught TypeError: array_keys(): Argument #1 ($array) must be of type array, null given in /in/jLpjU:52 Stack trace: #0 /in/jLpjU(52): array_keys(NULL) #1 {main} thrown in /in/jLpjU on line 52
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2016-08-14 Arrow functions - withdrawn
2016-05-29 array_change_keys() - withdrawn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2016-03-16 Typed Properties - superseded in favor of Typed Properties 2.0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2015-05-01 Short Closures - declined / withdrawn in favor of Arrow Functions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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