Online PHP editor | rfc for h6WdY

@ 2013-11-16T05:47:14Z

<?php
$a = array(
   0 => array('value' => 1000, 'name' => 'AA1'),
   1 => array('value' => 2000, 'name' => 'AA2'),
   2 => array('value' => 3000, 'name' => 'AA3'),
   3 => array('value' => 4000, 'name' => 'AA4'),
);
$b = array(
   0 => array('value' => 1000, 'name' => 'BB1'),
   1 => array('value' => 3000, 'name' => 'BB2'),
   2 => array('value' => 1700, 'name' => 'BB3'),
   3 => array('value' => 1200, 'name' => 'BB4'),
);
$c = array(
   0 => array('value' => 3000, 'name' => 'CC1'),
   1 => array('value' => 4000, 'name' => 'CC2'),
   2 => array('value' => 4300, 'name' => 'CC3'),
   3 => array('value' => 5000, 'name' => 'CC4'),
);

$array = array('a' => $a, 'b' => $b, 'c' =>$c);
foreach($array as $letter => $subArray){
    foreach($subArray as $key => $values){
        $newArray[$letter.$key] = $values['value'];
    }
}

$uniques = array_unique($newArray); //getting the non-repeated values
$repeated = array_diff_assoc($newArray, $uniques); // stripping them out
$final = array_unique($repeated); //cleaning the repeated values to just 1 of each

print_r($repeated);

Output for git.master, git.master_jit, rfc.property-hooks: Array ( [b0] => 1000 [b1] => 3000 [c0] => 3000 [c1] => 4000 )

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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2016-08-14 Arrow functions - withdrawn
2016-05-29 array_change_keys() - withdrawn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2016-03-16 Typed Properties - superseded in favor of Typed Properties 2.0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2015-05-01 Short Closures - declined / withdrawn in favor of Arrow Functions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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