3v4l.org

run code in 300+ PHP versions simultaneously
<?php $aValues = array(9,4,-3,-10); $mean = array_sum($A) / count($A); function standard_deviation($aValues, $bSample = false) { $fMean = array_sum($aValues) / count($aValues); $fVariance = 0.0; foreach ($aValues as $i) { $fVariance += pow($i - $fMean, 2); } $fVariance /= ( $bSample ? count($aValues) - 1 : count($aValues) ); return (float) sqrt($fVariance); } ?>

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).

VersionSystem time (s)User time (s)Memory (MiB)
8.3.60.0040.01116.38
8.3.50.0140.00721.94
8.3.40.0070.00718.84
8.3.30.0090.00919.07
8.3.20.0040.00420.14
8.3.10.0080.00023.65
8.3.00.0040.00419.01
8.2.180.0110.00718.04
8.2.170.0070.00722.96
8.2.160.0130.00020.22
8.2.150.0060.00324.18
8.2.140.0040.00424.66
8.2.130.0040.00426.16
8.2.120.0000.00820.76
8.2.110.0000.00822.23
8.2.100.0090.00317.84
8.2.90.0000.00919.23
8.2.80.0030.00517.97
8.2.70.0040.00417.38
8.2.60.0080.00017.91
8.2.50.0040.00418.07
8.2.40.0060.00319.94
8.2.30.0050.00218.20
8.2.20.0050.00317.55
8.2.10.0040.00417.96
8.2.00.0080.00017.83
8.1.280.0130.00325.92
8.1.270.0080.00023.82
8.1.260.0080.00026.35
8.1.250.0040.00428.09
8.1.240.0090.00021.83
8.1.230.0090.00319.14
8.1.220.0060.00317.74
8.1.210.0060.00318.77
8.1.200.0030.00617.23
8.1.190.0000.00817.35
8.1.180.0070.00018.10
8.1.170.0030.00518.24
8.1.160.0040.00421.86
8.1.150.0040.00418.62
8.1.140.0000.00717.34
8.1.130.0000.00717.81
8.1.120.0000.00717.29
8.1.110.0040.00417.27
8.1.100.0030.00317.25
8.1.90.0040.00317.28
8.1.80.0000.00817.24
8.1.70.0030.00317.32
8.1.60.0040.00417.40
8.1.50.0060.00317.51
8.1.40.0000.00817.54
8.1.30.0030.00517.62
8.1.20.0000.00717.59
8.1.10.0030.00617.57
8.1.00.0050.00217.38
8.0.300.0040.00418.77
8.0.290.0000.00717.05
8.0.280.0030.00518.41
8.0.270.0040.00417.24
8.0.260.0040.00417.19
8.0.250.0040.00416.87
8.0.240.0040.00416.92
8.0.230.0000.00716.86
8.0.220.0040.00416.91
8.0.210.0000.00716.77
8.0.200.0040.00416.87
8.0.190.0060.00316.98
8.0.180.0070.00016.76
8.0.170.0070.00016.88
8.0.160.0080.00016.87
8.0.150.0030.00316.86
8.0.140.0060.00316.74
8.0.130.0050.00013.27
8.0.120.0040.00416.77
8.0.110.0070.00016.79
8.0.100.0050.00316.83
8.0.90.0040.00416.96
8.0.80.0070.01416.94
8.0.70.0040.00416.73
8.0.60.0000.00816.86
8.0.50.0070.00016.95
8.0.30.0140.00817.03
8.0.20.0050.01217.40
8.0.10.0000.00717.09
8.0.00.0080.01316.72
7.4.330.0000.00515.14
7.4.320.0000.00616.64
7.4.300.0000.00816.49
7.4.290.0020.00516.43
7.4.280.0000.00716.54
7.4.270.0000.00716.54
7.4.260.0070.00016.60
7.4.250.0070.00016.44
7.4.240.0020.00516.46
7.4.230.0020.00516.61
7.4.220.0070.01016.58
7.4.210.0090.00816.57
7.4.200.0000.00716.48
7.4.190.0000.00716.60
7.4.160.0150.00616.38
7.4.150.0110.00717.40
7.4.140.0080.00917.86
7.4.130.0080.01016.66
7.4.120.0130.00316.47
7.4.110.0060.01016.55
7.4.100.0130.00616.65
7.4.90.0110.01016.59
7.4.80.0130.01019.39
7.4.70.0080.00816.47
7.4.60.0100.00616.65
7.4.50.0050.00016.32
7.4.40.0110.00516.39
7.4.30.0060.00916.50
7.4.00.0030.01315.04
7.3.330.0050.00013.29
7.3.320.0000.00513.27
7.3.310.0000.00716.22
7.3.300.0000.00716.25
7.3.290.0090.00916.37
7.3.280.0120.00516.34
7.3.270.0000.01617.40
7.3.260.0110.00216.41
7.3.250.0070.01016.38
7.3.240.0080.00816.38
7.3.230.0100.00716.54
7.3.210.0070.01516.29
7.3.200.0110.01119.39
7.3.190.0130.00316.59
7.3.180.0120.00316.36
7.3.170.0030.01616.41
7.3.160.0000.01416.39
7.3.120.0000.01614.60
7.2.330.0060.01216.35
7.2.320.0100.00716.66
7.2.310.0030.01416.74
7.2.300.0090.00616.73
7.2.290.0120.00616.53
7.2.60.0060.01016.93
7.2.50.0130.00316.64
7.2.00.0100.00319.40
7.1.200.0100.00315.72
7.1.100.0090.00618.02
7.1.70.0040.00817.21
7.1.60.0140.01119.46
7.1.50.0100.01316.92
7.1.00.0030.07722.45
7.0.200.0040.01116.35
7.0.140.0000.07021.97
7.0.60.0100.05720.02
7.0.50.0230.06717.86
7.0.40.0100.07020.20
7.0.30.0100.04720.25
7.0.20.0400.06320.10
7.0.10.0070.08720.09
7.0.00.0130.08320.23
5.6.280.0030.07321.07
5.6.210.0000.04320.55
5.6.200.0070.06318.31
5.6.190.0100.06020.39
5.6.180.0070.07720.55
5.6.170.0270.07720.57
5.6.160.0170.07020.47
5.6.150.0000.06018.28
5.6.140.0030.07018.21
5.6.130.0070.08018.19
5.6.120.0030.07021.10
5.6.110.0070.07721.12
5.6.100.0030.04721.11
5.6.90.0030.07720.98
5.6.80.0000.04020.25
5.5.350.0030.08320.44
5.5.340.0070.08017.99
5.5.330.0000.05020.32
5.5.320.0330.06720.31
5.5.310.0230.03720.28
5.5.300.0030.05017.97
5.5.290.0070.08018.08
5.5.280.0200.06720.85
5.5.270.0100.08020.95
5.5.260.0130.08020.87
5.5.250.0100.07320.69
5.5.240.0030.04020.27
5.4.450.3330.04319.39
5.4.440.3400.03719.54
5.4.430.3130.04019.32
5.4.420.3230.03719.48
5.4.410.3130.03719.42
5.4.400.3730.04019.00
5.4.390.3130.03719.16
5.4.380.3370.03318.85
5.4.370.3330.04018.95
5.4.360.3000.04319.24
5.4.350.3270.04019.05
5.4.340.3070.03718.98
5.4.320.3200.04719.19
5.4.310.3830.04019.13
5.4.300.3370.04719.30
5.4.290.2900.03319.31
5.4.280.3070.04319.09
5.4.270.3100.03718.98
5.4.260.3100.03719.13
5.4.250.4200.02319.06
5.4.240.2800.04018.85
5.4.230.2700.03719.21
5.4.220.3270.04019.09
5.4.210.2770.03318.97
5.4.200.3270.04019.22
5.4.190.3100.03719.07
5.4.180.2930.03719.21
5.4.170.3230.03018.84
5.4.160.3330.04018.98
5.4.150.3370.03718.82
5.4.140.3800.03316.41
5.4.130.3870.05316.29
5.4.120.3570.04316.67
5.4.110.3100.03716.56
5.4.100.3530.04316.56
5.4.90.4000.03716.36
5.4.80.3530.03316.49
5.4.70.3400.03716.43
5.4.60.3400.04016.52
5.4.50.3970.03016.34
5.4.40.4070.03316.53
5.4.30.4000.03316.18
5.4.20.3830.03316.42
5.4.10.4000.03716.55
5.4.00.3200.03315.82
5.3.290.3370.04014.56
5.3.280.3370.04014.50
5.3.270.3330.03314.82
5.3.260.3430.03014.70
5.3.250.3170.03314.69
5.3.240.4000.03314.62
5.3.230.3430.03014.58
5.3.220.3400.04014.58
5.3.210.3200.04314.70
5.3.200.3300.04014.57
5.3.190.3970.03314.48
5.3.180.4100.03714.57
5.3.170.3900.03314.46
5.3.160.3130.03314.48
5.3.150.3070.03714.46
5.3.140.3670.04314.54
5.3.130.4100.03014.56
5.3.120.4000.03714.70
5.3.110.3900.04014.47
5.3.100.3100.03713.90
5.3.90.3430.03014.07
5.3.80.3430.04014.14
5.3.70.3270.04013.92
5.3.60.3200.03714.00
5.3.50.3200.03713.97
5.3.40.4070.03714.17
5.3.30.4100.03313.99
5.3.20.3930.03313.74
5.3.10.4000.03013.74
5.3.00.4100.03313.54
5.2.170.3130.03011.23
5.2.160.3530.02311.06
5.2.150.3630.03711.15
5.2.140.3470.03011.15
5.2.130.3130.03011.01
5.2.120.3400.03011.03
5.2.110.3270.03011.02
5.2.100.3330.03011.11
5.2.90.3330.03311.26
5.2.80.3030.03011.21
5.2.70.3000.03011.18
5.2.60.3270.03010.97
5.2.50.2870.03011.07
5.2.40.2430.03011.16
5.2.30.2470.02711.13
5.2.20.2500.03010.92
5.2.10.2170.02710.87
5.2.00.2100.02710.62
5.1.60.0470.02310.08
5.1.50.0370.04710.05
5.1.40.0370.0439.89
5.1.30.0230.05310.45
5.1.20.0430.03710.51
5.1.10.0370.05010.15
5.1.00.0400.04310.20
5.0.50.0070.0408.55
5.0.40.0130.0238.55
5.0.30.0130.0378.55
5.0.20.0130.0208.55
5.0.10.0200.0438.55
5.0.00.0230.0638.55
4.4.90.1100.0138.55
4.4.80.1000.0178.55
4.4.70.1200.0178.55
4.4.60.1130.0178.55
4.4.50.1400.0178.55
4.4.40.0200.0278.55
4.4.30.0200.0308.55
4.4.20.0200.0308.55
4.4.10.0200.0338.55
4.4.00.0130.0278.55
4.3.110.0230.0138.55
4.3.100.0170.0208.55
4.3.90.0200.0178.55
4.3.80.0170.0508.55
4.3.70.0130.0308.55
4.3.60.0200.0208.55
4.3.50.0130.0178.55
4.3.40.0100.0338.55
4.3.30.0130.0338.55
4.3.20.0070.0308.55
4.3.10.0070.0378.55
4.3.00.0100.0308.57

preferences:
38.26 ms | 401 KiB | 5 Q