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@ 2018-09-11T00:11:13Z

<?php

$input1 = [
    '0' => [
        'foo01' => 'value01',
        'bar02' => 'value02',
        'formats01' => [
            'subfoo_011' => 'subvalue_011',
            'subfoo_012' => 'subvalue_012',
        ]
    ],
    '1' => [
        'foo11' => 'value11',
        'bar12' => 'value12',
        'formats02' => [
            'subfoo_021' => 'subvalue_021',
            'subfoo_022' => 'subvalue_022',
        ]
    ]
];

$input2 = [
    'foo' => 'value1',
    'bar' => 'value2',
    'formats' => [
        'foo' => 'value_1',
        'bar' => 'value_2',
    ]
];


function countValues(array $array)
{

    $i = 0;
    foreach ($array as $arrayKey => $data) {
        $i++;
        $ii = 0;
        foreach ($data as $key => $value) {
            $ii++;
            if (!is_array($value)) {
                $newArray[':' . $key . '_' . $i . '_' . $ii] = $value;
            } else if (is_array($value)) {
                foreach ($value as $subKey => $subValue) {
                    $newArray[':' . $subKey . '_' . $i . '_' . $ii] = $subValue;
                }
            }
        }
    }
    return $newArray;
}


var_dump(countValues($input1));
var_dump(countValues([$input2]));

Output for git.master, git.master_jit, rfc.property-hooks: array(8) { [":foo01_1_1"]=> string(7) "value01" [":bar02_1_2"]=> string(7) "value02" [":subfoo_011_1_3"]=> string(12) "subvalue_011" [":subfoo_012_1_3"]=> string(12) "subvalue_012" [":foo11_2_1"]=> string(7) "value11" [":bar12_2_2"]=> string(7) "value12" [":subfoo_021_2_3"]=> string(12) "subvalue_021" [":subfoo_022_2_3"]=> string(12) "subvalue_022" } array(4) { [":foo_1_1"]=> string(6) "value1" [":bar_1_2"]=> string(6) "value2" [":foo_1_3"]=> string(7) "value_1" [":bar_1_3"]=> string(7) "value_2" }

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2016-08-14 Arrow functions - withdrawn
2016-05-29 array_change_keys() - withdrawn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2016-03-16 Typed Properties - superseded in favor of Typed Properties 2.0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2015-05-01 Short Closures - declined / withdrawn in favor of Arrow Functions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