Online PHP editor | rfc for F8sHW

@ 2016-04-06T09:40:39Z

<?php
// rsrq(rb,rsrp,rssi) = 10*log10(rb*10**(rsrp/10)/10**(rssi/10));

function calc ($data) {
    $pattern = "Freq:([ ]+)(?P<Freq>[0-9\-]+)\n";
    $pattern .= "Band:([ ]+)(?P<Band>[0-9\-]+)\n";
    $pattern .= "CellId:([ ]+)(?P<CellId>[0-9\-]+)\n";
    $pattern .= "RSRP:([ ]+)(?P<RSRP>[0-9\-]+)\n";
    $pattern .= "RSRQ:([ ]+)(?P<RSRQ>[0-9\-]+)\n";
    $pattern .= "RSSI:([ ]+)(?P<RSSI>[0-9\-]+)";
    
    preg_match('/'.$pattern.'/i', $data, $matches);
    if (!empty($matches)) {
        $rb = 50; // lte 800
        if ($matches['Band'] == 3) {
            $rb = 100; // lte 1800
        }
        
        echo rsrq($rb, $matches['RSRP'], $matches['RSSI']);
    }
}

function rsrq ($rb, $rsrp, $rssi) {
    return 10*log10($rb*10**($rsrp/10)/10**($rssi/10));
}

calc(">> Current-LTE-Config <<
Acgorder:       03
Band:           3FFFFFFF
Roam:           3
Srvdomain:      1
LTEBand:        80044

>> Current-CellInfo <<
Freq:   18150
Band:   3
CellId: 60
RSRP:   -88
RSRQ:   -6
RSSI:   -62");

Output for git.master, git.master_jit, rfc.property-hooks: -6

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2016-08-14 Arrow functions - withdrawn
2016-05-29 array_change_keys() - withdrawn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2016-03-16 Typed Properties - superseded in favor of Typed Properties 2.0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2015-05-01 Short Closures - declined / withdrawn in favor of Arrow Functions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