3v4l.org

run code in 300+ PHP versions simultaneously

@ 2014-08-26T16:49:16Z

<?php
$custom_fields = [
    'foo' => '17',
    'bar' => '17',

];

$time_intervals = ['day', 'month', 'year', 'hour', 'minute', 'period'];

$data = [
    'fooday' => '17',
    'foomonth' => 'March',
    'name' => 'Chris'
];


function array_string_multiply() {
    $arrays = func_get_args();
    $keys = array_keys(array_reduce($arrays, function ($keys, $arr) { return $keys + $arr; }, array()));
    $sums = array();

    foreach ($keys as $key) {
        $sums[$key] = array_reduce($arrays, function ($sum, $arr) use ($key) { return $sum . @$arr[$key]; });
    }
    return $sums;
}



foreach (array_string_multiply(array_keys($custom_fields), $time_intervals) as $key) {
    var_dump($key);
}

foreach (array_keys($custom_fields) as $name) {
    foreach ($time_intervals as $interval_name) {
       // ;
    }
}


var_dump($data);

// Result should be array that only contains $data['name'] = 'Chris'

Output for 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6: string(6) "fooday" string(8) "barmonth" string(4) "year" string(4) "hour" string(6) "minute" string(6) "period" array(3) { ["fooday"]=> string(2) "17" ["foomonth"]=> string(5) "March" ["name"]=> string(5) "Chris" }
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29: Parse error: syntax error, unexpected '[' in /in/DWQIH on line 2
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.3.11, 4.4.0 - 4.4.1, 5.0.0 - 5.0.5: Parse error: parse error, unexpected '[' in /in/DWQIH on line 2
Process exited with code 255.
Output for 4.3.2 - 4.3.4: Parse error: parse error in /in/DWQIH on line 2
Process exited with code 255.

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