Online PHP editor | perf for 16Mng

@ 2016-10-28T09:17:16Z

<?php

/**
*求两个已知经纬度之间的距离,单位为米
*@param lng1,lng2 经度
*@param lat1,lat2 纬度
*@return float 距离，单位米
*@author www.phpernote.com
**/
function getdistance($lng1,$lat1,$lng2,$lat2){
    //将角度转为狐度
    $radLat1=deg2rad($lat1);//deg2rad()函数将角度转换为弧度
    $radLat2=deg2rad($lat2);
    $radLng1=deg2rad($lng1);
    $radLng2=deg2rad($lng2);
    $a=$radLat1-$radLat2;
    $b=$radLng1-$radLng2;
    $s=2*asin(sqrt(pow(sin($a/2),2)+cos($radLat1)*cos($radLat2)*pow(sin($b/2),2)))*6378.137*1000;
    return $s;
}
echo getdistance(31.2014966,121.40233369999998,31.22323799999999,121.44552099999998);

function calculateSignDistance($longitude1, $latitude1, $longitude2, $latitude2) {
        $lat1 = ($latitude1 * pi() ) / 180;
        $lng1 = ($longitude1 * pi() ) / 180;
        $lat2 = ($longitude2 * pi() ) / 180;
        $lng2 = ($latitude2 * pi() ) / 180;
        $calcLongitude = $lng2 - $lng1;
        $calcLatitude = $lat2 - $lat1;
        $stepOne = pow(sin($calcLatitude / 2), 2) + cos($lat1) * cos($lat2) * pow(sin($calcLongitude / 2), 2);
        $stepTwo = 2 * asin(sqrt($stepOne));
        return  6378.137*1000 * $stepTwo;
    }
    echo "\n";
    echo calculateSignDistance(31.2014966,121.40233369999998,31.22323799999999,121.44552099999998);
    
    /**
     *求两个已知经纬度之间的距离,单位为千米
     *@param lng1,lng2 经度
     *@param lat1,lat2 纬度
     *@return float 距离，单位千米
     **/
     function distance($lng1,$lat1,$lng2,$lat2)//根据经纬度计算距离
    {
        //将角度转为弧度
        $radLat1=deg2rad($lat1);
        $radLat2=deg2rad($lat2);
        $radLng1=deg2rad($lng1);
        $radLng2=deg2rad($lng2);
        $a=$radLat1-$radLat2;//两纬度之差,纬度<90
        $b=$radLng1-$radLng2;//两经度之差纬度<180
        $s=2*asin(sqrt(pow(sin($a/2),2)+cos($radLat1)*cos($radLat2)*pow(sin($b/2),2)))*6378.137*1000;
        return $s;
    }
        echo "\n";
    echo distance(31.2014966,121.40233369999998,31.22323799999999,121.44552099999998);
    
    function getDistanceBetweenPointsNew($latitude1, $longitude1, $latitude2, $longitude2) {
    $theta = $longitude1 - $longitude2;
    $miles = (sin(deg2rad($latitude1)) * sin(deg2rad($latitude2))) + (cos(deg2rad($latitude1)) * cos(deg2rad($latitude2)) * cos(deg2rad($theta)));
    $miles = acos($miles);
    $miles = rad2deg($miles);
    $miles = $miles * 60 * 1.1515;
    $feet = $miles * 5280;
    $yards = $feet / 3;
    $kilometers = $miles * 1.609344;
    $meters = $kilometers * 1000;
    return compact('miles','feet','yards','kilometers','meters'); 
}

$point1 = array('lat' => 31.2014966,121, 'long' => 121.40233369999998);
$point2 = array('lat' => 31.22323799999999, 'long' => 121.44552099999998);
$distance = getDistanceBetweenPointsNew($point1['lat'], $point1['long'], $point2['lat'], $point2['long']);
foreach ($distance as $unit => $value) {
    echo $unit.': '.number_format($value,4).'<br />';
}
/** 
*  @desc 根据两点间的经纬度计算距离 
*  @param float $lat 纬度值 
*  @param float $lng 经度值 
*/ 
function getDistance3($lat1, $lng1, $lat2, $lng2) 
{ 
     $earthRadius = 6367000; //approximate radius of earth in meters 

     /* 
       Convert these degrees to radians 
       to work with the formula 
     */ 

     $lat1 = ($lat1 * pi() ) / 180; 
     $lng1 = ($lng1 * pi() ) / 180; 

     $lat2 = ($lat2 * pi() ) / 180; 
     $lng2 = ($lng2 * pi() ) / 180; 

     /* 
       Using the 
       Haversine formula 

       http://en.wikipedia.org/wiki/Haversine_formula 

       calculate the distance 
     */ 

     $calcLongitude = $lng2 - $lng1; 
     $calcLatitude = $lat2 - $lat1; 
     $stepOne = pow(sin($calcLatitude / 2), 2) + cos($lat1) * cos($lat2) * pow(sin($calcLongitude / 2), 2);  $stepTwo = 2 * asin(min(1, sqrt($stepOne))); 
     $calculatedDistance = $earthRadius * $stepTwo; 

     return round($calculatedDistance); 
} 
        echo "\n";
    echo getDistance3(31.2014966,121.40233369999998,31.22323799999999,121.44552099999998);

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)
8.3.6	0.009	0.006	16.88
8.3.5	0.013	0.006	22.12
8.3.4	0.007	0.011	19.11
8.3.3	0.012	0.003	19.17
8.3.2	0.015	0.000	19.10
8.3.1	0.004	0.004	22.36
8.3.0	0.008	0.000	22.35
8.2.18	0.004	0.015	17.25
8.2.17	0.012	0.003	22.96
8.2.16	0.012	0.004	22.67
8.2.15	0.013	0.007	24.18
8.2.14	0.009	0.006	24.66
8.2.13	0.011	0.004	20.33
8.2.12	0.005	0.002	26.35
8.2.11	0.007	0.003	20.89
8.2.10	0.003	0.010	18.24
8.2.9	0.005	0.003	19.86
8.2.8	0.000	0.008	18.30
8.2.7	0.008	0.000	18.00
8.2.6	0.000	0.009	18.30
8.2.5	0.006	0.006	18.10
8.2.4	0.004	0.004	20.96
8.2.3	0.003	0.005	21.39
8.2.2	0.003	0.005	18.57
8.2.1	0.008	0.000	18.81
8.2.0	0.004	0.004	18.09
8.1.28	0.007	0.007	25.92
8.1.27	0.011	0.004	24.29
8.1.26	0.000	0.008	28.09
8.1.25	0.004	0.004	28.09
8.1.24	0.006	0.003	21.31
8.1.23	0.004	0.007	19.48
8.1.22	0.000	0.008	18.14
8.1.21	0.003	0.005	18.77
8.1.20	0.006	0.003	17.85
8.1.19	0.000	0.008	17.72
8.1.18	0.003	0.006	18.10
8.1.17	0.000	0.008	19.46
8.1.16	0.003	0.005	22.54
8.1.15	0.007	0.003	20.96
8.1.14	0.004	0.004	20.25
8.1.13	0.000	0.007	18.12
8.1.12	0.004	0.004	17.94
8.1.11	0.000	0.007	17.90
8.1.10	0.005	0.003	17.95
8.1.9	0.004	0.004	17.93
8.1.8	0.004	0.004	17.84
8.1.7	0.000	0.008	17.84
8.1.6	0.005	0.003	18.12
8.1.5	0.004	0.004	18.01
8.1.4	0.005	0.003	18.02
8.1.3	0.003	0.005	18.00
8.1.2	0.003	0.006	18.09
8.1.1	0.003	0.005	18.06
8.1.0	0.009	0.000	17.97
8.0.30	0.004	0.004	18.77
8.0.29	0.008	0.000	17.25
8.0.28	0.007	0.000	18.92
8.0.27	0.004	0.004	17.67
8.0.26	0.003	0.003	17.82
8.0.25	0.000	0.007	17.39
8.0.24	0.005	0.002	17.34
8.0.23	0.004	0.004	17.41
8.0.22	0.007	0.000	17.38
8.0.21	0.008	0.000	17.34
8.0.20	0.007	0.000	17.55
8.0.19	0.008	0.000	17.41
8.0.18	0.009	0.003	17.44
8.0.17	0.006	0.003	17.38
8.0.16	0.004	0.004	17.29
8.0.15	0.000	0.007	17.36
8.0.14	0.004	0.004	17.20
8.0.13	0.000	0.007	13.81
8.0.12	0.000	0.008	17.32
8.0.11	0.004	0.004	17.39
8.0.10	0.005	0.003	17.21
8.0.9	0.000	0.007	17.44
8.0.8	0.012	0.006	17.24
8.0.7	0.000	0.007	17.32
8.0.6	0.004	0.004	17.41
8.0.5	0.004	0.004	17.21
8.0.3	0.011	0.006	17.56
8.0.2	0.010	0.009	17.50
8.0.1	0.005	0.003	17.35
8.0.0	0.015	0.004	17.11
7.4.33	0.002	0.002	15.55
7.4.32	0.003	0.003	17.01
7.4.30	0.007	0.000	17.14
7.4.29	0.002	0.005	17.01
7.4.28	0.003	0.005	17.07
7.4.27	0.000	0.007	16.99
7.4.26	0.005	0.003	17.02
7.4.25	0.000	0.007	16.91
7.4.24	0.008	0.000	17.10
7.4.23	0.007	0.000	16.90
7.4.22	0.007	0.010	17.00
7.4.21	0.009	0.009	16.81
7.4.20	0.004	0.004	17.17
7.4.16	0.009	0.011	16.75
7.4.15	0.009	0.009	17.40
7.4.14	0.006	0.013	17.86
7.4.13	0.008	0.011	16.89
7.4.12	0.009	0.009	16.99
7.4.11	0.008	0.012	16.76
7.4.10	0.010	0.014	16.88
7.4.9	0.017	0.010	16.84
7.4.8	0.009	0.009	19.39
7.4.7	0.014	0.003	16.77
7.4.6	0.010	0.007	16.74
7.4.5	0.004	0.007	17.20
7.4.4	0.013	0.003	16.55
7.4.3	0.009	0.015	16.95
7.4.0	0.006	0.011	15.27
7.3.33	0.003	0.003	13.92
7.3.32	0.007	0.000	13.86
7.3.31	0.004	0.004	16.73
7.3.30	0.005	0.003	16.94
7.3.29	0.000	0.007	16.70
7.3.28	0.006	0.011	16.68
7.3.27	0.009	0.009	17.40
7.3.26	0.013	0.006	16.75
7.3.25	0.009	0.012	16.75
7.3.24	0.006	0.011	16.71
7.3.23	0.013	0.004	16.96
7.3.21	0.003	0.015	16.66
7.3.20	0.009	0.009	16.71
7.3.19	0.013	0.010	16.87
7.3.18	0.006	0.010	16.89
7.3.17	0.006	0.017	16.55
7.3.16	0.007	0.016	16.82
7.3.12	0.006	0.011	15.08
7.3.11	0.006	0.012	15.20
7.3.10	0.013	0.007	15.18
7.3.9	0.003	0.013	15.22
7.3.8	0.009	0.009	15.09
7.3.7	0.007	0.010	15.10
7.3.6	0.007	0.010	15.44
7.3.5	0.013	0.003	15.32
7.3.4	0.009	0.003	15.25
7.3.3	0.009	0.003	14.93
7.3.2	0.007	0.011	17.10
7.3.1	0.006	0.010	16.71
7.3.0	0.003	0.009	16.78
7.2.33	0.006	0.012	17.00
7.2.32	0.009	0.016	17.15
7.2.31	0.007	0.011	17.05
7.2.30	0.016	0.007	16.88
7.2.29	0.014	0.009	16.95
7.2.25	0.003	0.014	15.73
7.2.24	0.007	0.013	15.32
7.2.23	0.009	0.009	15.42
7.2.22	0.007	0.011	15.52
7.2.21	0.004	0.011	15.46
7.2.20	0.007	0.010	15.59
7.2.19	0.003	0.007	15.10
7.2.18	0.012	0.004	15.65
7.2.17	0.009	0.006	15.53
7.2.6	0.007	0.007	17.37
7.2.5	0.004	0.009	17.26
7.2.0	0.003	0.013	19.80
7.1.33	0.012	0.003	16.23
7.1.32	0.010	0.007	16.00
7.1.31	0.006	0.009	16.06
7.1.30	0.009	0.006	16.10
7.1.29	0.007	0.007	15.86
7.1.28	0.000	0.009	16.06
7.1.27	0.010	0.007	16.32
7.1.26	0.010	0.006	15.89
7.1.20	0.004	0.008	16.12
7.1.7	0.004	0.007	17.72
7.1.6	0.006	0.006	17.63
7.1.0	0.007	0.077	22.79
7.0.20	0.016	0.007	15.33
7.0.12	0.010	0.067	22.41
7.0.11	0.010	0.063	22.26
7.0.10	0.027	0.047	22.26
7.0.9	0.017	0.060	22.41
7.0.8	0.007	0.060	22.40
7.0.7	0.050	0.050	20.61
7.0.6	0.023	0.050	20.55
7.0.5	0.000	0.067	22.30
7.0.4	0.007	0.060	22.25
7.0.3	0.013	0.073	20.49
7.0.2	0.017	0.073	22.29
7.0.1	0.013	0.060	20.64
7.0.0	0.013	0.057	22.27
5.6.27	0.013	0.077	21.38
5.6.26	0.017	0.063	21.38
5.6.25	0.017	0.057	21.11
5.6.24	0.043	0.057	21.34
5.6.23	0.023	0.060	21.36
5.6.22	0.013	0.053	21.09
5.6.21	0.013	0.057	21.22
5.6.20	0.010	0.057	21.16
5.6.19	0.013	0.063	21.00
5.6.18	0.027	0.057	21.25
5.6.17	0.020	0.057	21.33
5.6.16	0.023	0.070	21.39
5.6.15	0.017	0.073	21.07
5.6.14	0.010	0.060	21.29
5.6.13	0.007	0.057	21.29
5.6.12	0.003	0.063	21.10
5.6.11	0.003	0.083	21.32
5.6.10	0.037	0.080	21.17
5.6.9	0.010	0.077	21.21
5.6.8	0.007	0.067	20.71
5.6.7	0.020	0.067	20.72
5.6.6	0.023	0.053	20.63
5.6.5	0.010	0.070	20.78
5.6.4	0.017	0.053	20.38
5.6.3	0.013	0.060	20.43
5.6.2	0.020	0.050	20.54
5.6.1	0.010	0.060	20.35
5.6.0	0.020	0.063	20.66

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