Online PHP editor | perf for mM99e

@ 2013-03-23T02:26:18Z

<?php

// copied from https://github.com/ramsey/array_column/blob/master/src/array_column.php
// You can install by composer. 
// I was just testing from which versions this will work

    function array_column($input = null, $columnKey = null, $indexKey = null)
    {
        // Using func_get_args() in order to check for proper number of
        // parameters and trigger errors exactly as the built-in array_column()
        // does in PHP 5.5.
        $params = func_get_args();

        if (!isset($params[0])) {
            trigger_error('array_column() expects at least 2 parameters, 0 given', E_USER_WARNING);
            return null;
        } elseif (!isset($params[1])) {
            trigger_error('array_column() expects at least 2 parameters, 1 given', E_USER_WARNING);
            return null;
        }

        if (!is_array($params[0])) {
            trigger_error('array_column() expects parameter 1 to be array, ' . gettype($params[0]) . ' given', E_USER_WARNING);
            return null;
        }

        if (!is_int($params[1])
            && !is_string($params[1])
            && !(is_object($params[1]) && method_exists($params[1], '__toString'))
        ) {
            trigger_error('array_column(): The column key should be either a string or an integer', E_USER_WARNING);
            return false;
        }

        if (isset($params[2])
            && !is_int($params[2])
            && !is_string($params[2])
            && !(is_object($params[2]) && method_exists($params[2], '__toString'))
        ) {
            trigger_error('array_column(): The index key should be either a string or an integer', E_USER_WARNING);
            return false;
        }

        $paramsInput = $params[0];
        $paramsColumnKey = (string) $params[1];
        $paramsIndexKey = (isset($params[2]) ? (string) $params[2] : null);
        $resultArray = array();

        foreach ($paramsInput as $row) {

            $key = $value = null;
            $keySet = $valueSet = false;

            if ($paramsIndexKey !== null && array_key_exists($paramsIndexKey, $row)) {
                $keySet = true;
                $key = $row[$paramsIndexKey];
            }

            if (is_array($row) && array_key_exists($paramsColumnKey, $row)) {
                $valueSet = true;
                $value = $row[$paramsColumnKey];
            }

            if ($valueSet) {
                if ($keySet) {
                    $resultArray[$key] = $value;
                } else {
                    $resultArray[] = $value;
                }
            }

        }

        return $resultArray;
    }

$records = array(
    array(
        'id' => 2135,
        'first_name' => 'John',
        'last_name' => 'Doe'
    ),
    array(
        'id' => 3245,
        'first_name' => 'Sally',
        'last_name' => 'Smith'
    ),
    array(
        'id' => 5342,
        'first_name' => 'Jane',
        'last_name' => 'Jones'
    ),
    array(
        'id' => 5623,
        'first_name' => 'Peter',
        'last_name' => 'Doe'
    )
);

$lastNames = array_column($records, 'last_name', 'id');
var_dump($lastNames);

Here you find the average performance (time & memory) of each version. A grayed out version indicates it didn't complete successfully (based on exit-code).

Version	System time (s)	User time (s)	Memory (MiB)
5.4.45	0.007	0.063	19.25
5.4.44	0.003	0.037	19.30
5.4.43	0.003	0.037	19.51
5.4.42	0.003	0.077	19.51
5.4.41	0.007	0.077	19.16
5.4.40	0.010	0.030	18.95
5.4.39	0.003	0.087	19.26
5.4.38	0.007	0.070	19.26
5.4.37	0.007	0.077	18.93
5.4.36	0.013	0.057	18.98
5.4.35	0.003	0.073	19.17
5.4.34	0.010	0.070	18.90
5.4.32	0.003	0.037	19.25
5.4.31	0.003	0.070	18.98
5.4.30	0.003	0.047	19.25
5.4.29	0.003	0.037	19.18
5.4.28	0.010	0.033	18.95
5.4.27	0.003	0.053	19.13
5.4.26	0.007	0.037	18.95
5.4.25	0.003	0.050	19.28
5.4.24	0.013	0.057	19.28
5.4.23	0.003	0.067	19.29
5.4.22	0.007	0.083	18.98
5.4.21	0.003	0.067	19.25
5.4.20	0.007	0.077	19.11
5.4.19	0.013	0.063	19.25
5.4.18	0.007	0.067	19.13
5.4.17	0.003	0.063	19.27
5.4.16	0.010	0.053	18.91
5.4.15	0.003	0.077	18.94
5.4.14	0.007	0.030	16.50
5.4.13	0.003	0.033	16.31
5.4.12	0.003	0.053	16.51
5.4.11	0.000	0.053	16.43
5.4.10	0.013	0.067	16.22
5.4.9	0.003	0.070	16.38
5.4.8	0.013	0.057	16.45
5.4.7	0.003	0.047	16.48
5.4.6	0.010	0.030	16.20
5.4.5	0.003	0.073	16.29
5.4.4	0.003	0.073	16.55
5.4.3	0.003	0.077	16.42
5.4.2	0.003	0.043	16.29
5.4.1	0.010	0.073	16.28
5.4.0	0.013	0.063	15.90
5.3.29	0.003	0.070	14.70
5.3.28	0.003	0.060	14.85
5.3.27	0.007	0.067	14.63
5.3.26	0.003	0.080	14.65
5.3.25	0.003	0.053	14.60
5.3.24	0.003	0.033	14.71
5.3.23	0.007	0.043	14.75
5.3.22	0.010	0.027	14.61
5.3.21	0.003	0.063	14.58
5.3.20	0.003	0.080	14.68
5.3.19	0.010	0.067	14.69
5.3.18	0.007	0.053	14.61
5.3.17	0.000	0.077	14.73
5.3.16	0.000	0.037	14.60
5.3.15	0.000	0.080	14.63
5.3.14	0.003	0.047	14.58
5.3.13	0.003	0.087	14.70
5.3.12	0.003	0.033	14.59
5.3.11	0.007	0.047	14.43
5.3.10	0.003	0.077	14.02
5.3.9	0.013	0.070	14.00
5.3.8	0.010	0.063	14.00
5.3.7	0.003	0.037	14.00
5.3.6	0.010	0.050	14.03
5.3.5	0.010	0.053	14.07
5.3.4	0.003	0.033	14.00
5.3.3	0.007	0.053	14.06
5.3.2	0.007	0.030	13.86
5.3.1	0.010	0.027	13.63
5.3.0	0.003	0.077	13.68
5.2.17	0.000	0.037	11.18
5.2.16	0.000	0.053	11.25
5.2.15	0.000	0.040	11.26
5.2.14	0.000	0.030	11.18
5.2.13	0.010	0.030	11.19
5.2.12	0.007	0.043	11.36
5.2.11	0.003	0.027	11.12
5.2.10	0.010	0.043	11.21
5.2.9	0.003	0.057	11.19
5.2.8	0.010	0.057	11.09
5.2.7	0.003	0.057	11.34
5.2.6	0.003	0.030	11.30
5.2.5	0.003	0.053	11.02
5.2.4	0.007	0.057	10.99
5.2.3	0.010	0.047	10.98
5.2.2	0.003	0.063	10.98
5.2.1	0.003	0.060	11.11
5.2.0	0.007	0.057	10.76
5.1.6	0.007	0.050	9.99
5.1.5	0.003	0.030	10.00
5.1.4	0.010	0.047	10.00
5.1.3	0.013	0.047	10.46
5.1.2	0.010	0.043	10.39
5.1.1	0.010	0.047	10.07
5.1.0	0.007	0.043	10.10
5.0.5	0.003	0.040	9.70
5.0.4	0.007	0.030	9.70
5.0.3	0.000	0.033	9.70
5.0.2	0.003	0.043	9.70
5.0.1	0.000	0.047	9.70
5.0.0	0.000	0.067	9.70
4.4.9	0.000	0.023	9.70
4.4.8	0.007	0.027	9.70
4.4.7	0.000	0.020	9.70
4.4.6	0.000	0.033	9.70
4.4.5	0.000	0.027	9.70
4.4.4	0.000	0.043	9.70
4.4.3	0.003	0.023	9.70
4.4.2	0.007	0.030	9.70
4.4.1	0.000	0.020	9.70
4.4.0	0.003	0.053	9.70
4.3.11	0.000	0.030	9.70
4.3.10	0.003	0.030	9.70
4.3.9	0.000	0.030	9.70
4.3.8	0.000	0.047	9.70
4.3.7	0.003	0.033	9.70
4.3.6	0.007	0.017	9.70
4.3.5	0.003	0.033	9.70
4.3.4	0.000	0.050	9.70
4.3.3	0.000	0.037	9.70
4.3.2	0.000	0.040	9.70
4.3.1	0.000	0.033	9.70
4.3.0	0.000	0.033	9.70

preferences:dark modelive preview