Online PHP editor | perf for pskuD

@ 2023-12-11T17:38:36Z

<?php
/**
 * ## Hex to string. For GPON SN
 *
 * @param $hex
 * @return string
 *
 *
 * @example
 * hex2str('5A544547')."C193E72F"; <p>return ZTEGC193E72F</p>
 */
function hex2str($hex) {
    $string = '';
    for ($i = 0; $i < strlen($hex) - 1; $i += 2) {
        $string .= chr(hexdec($hex[$i] . $hex[$i + 1]));
    }
    return $string;
}
// echo hex2str('5A544547')."C193E72F"; // ZTEGC193E72F






/**
 * ## обработка полученного от SNMP интерфейса
 * форматы snmp интерфейса:
 *  - 269422592.5
 *  - 2432632064
 *  - 808398336
 * @param $snmp_interface
 * @return array|void
 */
function decode_snmp_interface($snmp_interface)
{
    // 269422592.5
    if (preg_match('/(?P<pon>\d+)\.(?P<onu>\d+)/', $snmp_interface, $dotInterface)) {
        /**
         ##  $dotInterface
          ```
          Array
          (
            [0] => 269422592.5
            [pon] => 269422592
            [1] => 269422592
            [onu] => 5
            [2] => 5
          )
          ```
         */

        $b = decbin(substr($snmp_interface, 0, 9));

        $type       = bindec(substr($b,  0, 4));
        $shelf      = bindec(substr($b,  4, 4)) + 1;
        $slot       = bindec(substr($b,  8, 5));
        $port       = bindec(substr($b, 13, 8));
        $reserved   = bindec(substr($b, 21, 8));

        $onu = $dotInterface['onu'];
    }
    // первая цифра числа == 8
    elseif (strval($snmp_interface)[0] == 8) {
        $b = "00" . decbin($snmp_interface);

        $type       = bindec(substr($b,  0, 4));
        $shelf      = bindec(substr($b,  4, 4)) + 1;
        $slot       = bindec(substr($b,  8, 5));
        $port       = bindec(substr($b, 13, 3)) + 1;
        $onu        = bindec(substr($b, 16, 8));
        $reserved   = bindec(substr($b, 24, 8));
    }
    elseif (strval($snmp_interface)[0] == 2) {
        $b = decbin($snmp_interface);

        $type       = bindec(substr($b,  0, 4));
        $shelf      = bindec(substr($b,  4, 4)) + 1;
        $slot       = bindec(substr($b,  8, 4));
        $port       = bindec(substr($b, 12, 4)) + 1;
        $onu        = bindec(substr($b, 16, 8));
        $reserved   = bindec(substr($b, 24, 8));
    }

    return [
        'shelf'     => $shelf,
        'slot'      => $slot,
        'port'      => $port,
        'onu'       => $onu,
        'string'    => "$shelf/$slot/$port:$onu",
        'snmp_interface' => $snmp_interface,
        'db_interface' => 'todo'
    ];
}






/**
 * # testing
 */
$a = [
    '269422592.5' => '1/15/16:5',
    '269222144.1' => '1/12/1:1',
    '268963840.5' => '1/8/16:5',
    '808398336'   => '1/5/8:46',
    '806356736'   => '1/2/1:7',
    '2428502272'  => '1/12/1:1',
    '2421364992' =>  '1/5/4:25',
    '2432632064' =>  '1/15/16:5'
];

foreach ($a as $snmp_interface => $string){
    $arr = decode_snmp_interface($snmp_interface);
    if($arr['string'] == $string)
        echo "$snmp_interface \t tested ok";
    else
        echo "$snmp_interface \t testing failed. must be $string, but is [{$arr['string']}]";

    echo "\n";
}

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)
8.5.0	0.013	0.009	20.30
8.4.15	0.002	0.000	14.05
8.4.14	0.010	0.010	17.73
8.4.13	0.012	0.009	19.70
8.4.12	0.013	0.008	20.40
8.4.11	0.010	0.006	22.32
8.4.10	0.008	0.001	20.52
8.4.9	0.011	0.006	18.50
8.4.8	0.013	0.008	18.04
8.4.7	0.012	0.007	18.32
8.4.6	0.007	0.013	18.82
8.4.5	0.013	0.007	20.63
8.4.4	0.015	0.006	17.87
8.4.3	0.010	0.010	19.02
8.4.2	0.014	0.003	18.20
8.4.1	0.009	0.000	19.42
8.3.28	0.010	0.011	18.60
8.3.27	0.009	0.010	16.79
8.3.26	0.009	0.004	16.58
8.3.25	0.013	0.008	19.30
8.3.24	0.003	0.005	16.89
8.3.23	0.009	0.010	16.85
8.3.22	0.005	0.003	17.35
8.3.21	0.011	0.008	16.97
8.3.20	0.005	0.005	16.98
8.3.19	0.004	0.004	17.32
8.3.18	0.008	0.007	16.96
8.3.17	0.015	0.004	19.13
8.3.16	0.006	0.013	18.37
8.3.15	0.018	0.003	17.25
8.3.14	0.000	0.008	18.89
8.3.13	0.006	0.003	18.42
8.3.12	0.005	0.003	19.05
8.3.11	0.006	0.003	20.94
8.3.10	0.010	0.010	16.79
8.3.9	0.008	0.011	26.77
8.3.8	0.005	0.005	18.30
8.3.7	0.011	0.011	16.88
8.3.6	0.011	0.011	16.88
8.3.5	0.010	0.006	16.77
8.3.4	0.015	0.000	20.18
8.3.3	0.010	0.003	20.51
8.3.2	0.004	0.004	24.18
8.3.1	0.008	0.000	24.66
8.3.0	0.015	0.006	28.09
8.2.29	0.006	0.004	20.48
8.2.28	0.008	0.011	20.21
8.2.27	0.011	0.008	17.10
8.2.26	0.000	0.010	18.67
8.2.25	0.005	0.003	16.96
8.2.24	0.003	0.006	19.24
8.2.23	0.006	0.003	22.58
8.2.22	0.012	0.003	24.06
8.2.21	0.010	0.014	26.77
8.2.20	0.006	0.003	18.41
8.2.19	0.021	0.000	18.54
8.2.18	0.010	0.006	25.92
8.2.17	0.015	0.000	19.16
8.2.16	0.007	0.007	22.96
8.2.15	0.004	0.004	25.66
8.2.14	0.000	0.008	24.66
8.2.13	0.016	0.004	28.09
8.2.12	0.006	0.009	28.09
8.2.11	0.013	0.003	28.09
8.2.10	0.016	0.006	28.09
8.2.9	0.018	0.004	28.09
8.2.8	0.006	0.012	28.09
8.2.7	0.016	0.003	28.09
8.2.6	0.017	0.003	28.09
8.2.5	0.015	0.000	28.09
8.2.4	0.012	0.003	28.09
8.2.3	0.009	0.006	28.09
8.2.2	0.007	0.010	28.09
8.2.1	0.008	0.008	28.09
8.2.0	0.012	0.003	28.09
8.1.33	0.014	0.007	23.64
8.1.32	0.010	0.009	16.23
8.1.31	0.013	0.006	18.58
8.1.30	0.013	0.003	19.88
8.1.29	0.009	0.000	30.84
8.1.28	0.012	0.003	25.92
8.1.27	0.004	0.004	23.98
8.1.26	0.005	0.003	28.09
8.1.25	0.009	0.006	28.09
8.1.24	0.011	0.004	28.09
8.1.23	0.012	0.003	28.09
8.1.22	0.003	0.006	28.09
8.1.21	0.006	0.003	28.09
8.1.20	0.004	0.004	28.09
8.1.19	0.004	0.004	28.09
8.1.18	0.004	0.004	28.09
8.1.17	0.008	0.000	28.09
8.1.16	0.006	0.003	28.09
8.1.15	0.006	0.003	28.09
8.1.14	0.003	0.006	28.09
8.1.13	0.006	0.003	28.09
8.1.12	0.006	0.003	28.09
8.1.11	0.003	0.006	28.09
8.1.10	0.004	0.004	28.09
8.1.9	0.000	0.008	28.09
8.1.8	0.006	0.003	28.09
8.1.7	0.006	0.003	28.09
8.1.6	0.006	0.003	28.09
8.1.5	0.005	0.003	28.09
8.1.4	0.003	0.006	28.09
8.1.3	0.008	0.000	28.09
8.1.2	0.005	0.003	28.09
8.1.1	0.003	0.005	28.09
8.1.0	0.006	0.003	28.09

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