3v4l.org

run code in 300+ PHP versions simultaneously
<?php function encode($int) { $int = round($int); $left = 0xffffffff00000000; $right = 0x00000000ffffffff; $l = ($int & $left) >>32; $r = $int & $right; return unpack('d', pack('NN', $l, $r))[1]; } function decode($float){ $set = unpack('N2', pack('d', $float)); return $set[1] << 32 | $set[2]; } $float = encode(10000000000000);

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)
8.3.40.0110.00418.71
8.3.30.0110.00419.22
8.3.20.0070.00020.46
8.3.10.0040.00423.61
8.3.00.0030.00619.50
8.2.170.0170.00022.96
8.2.160.0080.00620.57
8.2.150.0040.00424.18
8.2.140.0070.00024.66
8.2.130.0060.00926.16
8.2.120.0000.00822.21
8.2.110.0080.00822.25
8.2.100.0030.00718.16
8.2.90.0050.00319.20
8.2.80.0000.00818.01
8.2.70.0110.00317.38
8.2.60.0080.00018.05
8.2.50.0050.00318.07
8.2.40.0030.00518.28
8.2.30.0000.00718.17
8.2.20.0080.00017.69
8.2.10.0030.00519.86
8.2.00.0030.00517.79
8.1.270.0080.00024.09
8.1.260.0050.00326.35
8.1.250.0050.00228.09
8.1.240.0040.00423.96
8.1.230.0040.00819.14
8.1.220.0050.00317.77
8.1.210.0000.00818.77
8.1.200.0050.00517.35
8.1.190.0000.00817.53
8.1.180.0060.00318.10
8.1.170.0040.00418.62
8.1.160.0040.00422.02
8.1.150.0040.00418.60
8.1.140.0040.00417.39
8.1.130.0000.00717.83
8.1.120.0040.00717.43
8.1.110.0080.00017.44
8.1.100.0000.00717.44
8.1.90.0040.00417.34
8.1.80.0030.00617.40
8.1.70.0040.00417.31
8.1.60.0030.00617.66
8.1.50.0030.00617.46
8.1.40.0050.00217.64
8.1.30.0000.00917.68
8.1.20.0000.00817.68
8.1.10.0000.00817.62
8.1.00.0030.00617.46
8.0.300.0090.00020.83
8.0.290.0040.00417.30
8.0.280.0030.00318.56
8.0.270.0080.00017.32
8.0.260.0030.00317.28
8.0.250.0000.00716.90
8.0.240.0040.00416.93
8.0.230.0000.00716.85
8.0.220.0040.00416.93
8.0.210.0000.00716.96
8.0.200.0030.00316.90
8.0.190.0000.00717.01
8.0.180.0000.00716.93
8.0.170.0050.00316.84
8.0.160.0000.00716.88
8.0.150.0040.00416.80
8.0.140.0080.00016.89
8.0.130.0000.00613.33
8.0.120.0000.00716.75
8.0.110.0040.00416.92
8.0.100.0000.00816.74
8.0.90.0040.00416.77
8.0.80.0040.01816.86
8.0.70.0030.00316.88
8.0.60.0040.00416.95
8.0.50.0000.00716.95
8.0.30.0090.00917.10
8.0.20.0080.01017.40
8.0.10.0040.00417.02
8.0.00.0090.00816.81
7.4.330.0050.00015.16
7.4.320.0000.00616.58
7.4.300.0030.00316.46
7.4.290.0030.00516.57
7.4.280.0040.00416.63
7.4.270.0040.00416.57
7.4.260.0000.00716.67
7.4.250.0040.00416.46
7.4.240.0050.00216.52
7.4.230.0000.00716.70
7.4.220.0120.00316.69
7.4.210.0100.00816.61
7.4.200.0030.00316.57
7.4.190.0000.00716.59
7.4.160.0040.01216.44
7.4.150.0070.01117.40
7.4.140.0060.01117.86
7.4.130.0090.00916.63
7.4.120.0110.00716.56
7.4.110.0060.01216.68
7.4.100.0070.01416.41
7.4.90.0100.00716.48
7.4.80.0100.01319.39
7.4.70.0070.01316.53
7.4.60.0030.01216.39
7.4.50.0040.00416.30
7.4.40.0040.00722.77
7.4.30.0100.01416.54
7.4.00.0070.00914.99
7.3.330.0060.00013.29
7.3.320.0030.00313.37
7.3.310.0070.00016.46
7.3.300.0030.00316.39
7.3.290.0070.00716.44
7.3.280.0090.00816.41
7.3.270.0070.01017.40
7.3.260.0170.00016.56
7.3.250.0130.00616.54
7.3.240.0040.01216.47
7.3.230.0120.00916.50
7.3.210.0060.01216.48
7.3.200.0150.00919.39
7.3.190.0160.00016.36
7.3.180.0170.00016.64
7.3.170.0130.00316.47
7.3.160.0100.00616.52
7.3.120.0080.00714.96
7.3.110.0030.01315.00
7.3.100.0070.00714.93
7.3.90.0060.00314.89
7.3.80.0130.00014.82
7.3.70.0060.00914.53
7.3.60.0060.01214.91
7.3.50.0030.00914.66
7.3.40.0060.00614.77
7.3.30.0030.01014.66
7.3.20.0030.00616.91
7.3.10.0040.01116.77
7.3.00.0070.00416.67
7.2.330.0110.00716.80
7.2.320.0090.00916.78
7.2.310.0040.01616.82
7.2.300.0090.00616.45
7.2.290.0030.01316.48
7.2.250.0110.00714.87
7.2.240.0180.00314.74
7.2.230.0110.00415.02
7.2.220.0000.01415.27
7.2.210.0030.01015.11
7.2.200.0070.01015.14
7.2.190.0100.00715.11
7.2.180.0030.01214.95
7.2.170.0040.00715.21
7.2.00.0060.00619.64
7.1.330.0030.01315.86
7.1.320.0030.01315.73
7.1.310.0000.01015.84
7.1.300.0030.00715.86
7.1.290.0040.01116.05
7.1.280.0050.00515.89
7.1.270.0000.00915.83
7.1.260.0100.00715.62
7.1.200.0030.00716.07
7.1.100.0030.01018.31
7.1.70.0030.00917.07
7.1.60.0000.02419.46
7.1.50.0110.01416.96
7.1.00.0030.07722.37
7.0.200.0030.00516.95
7.0.140.0070.07022.10
7.0.60.0030.08720.02
7.0.50.0100.08018.06
7.0.40.0230.06020.19
7.0.30.0270.04320.35
7.0.20.0100.04720.29
7.0.10.0070.04020.45
7.0.00.0030.08720.29
5.6.280.0130.06321.27
5.6.210.0030.08320.57
5.6.200.0030.04018.27
5.6.190.0030.08020.56
5.6.180.0200.04020.64
5.6.170.0200.06020.59
5.6.160.0070.05020.68
5.6.150.0000.05718.32
5.6.140.0100.07718.41
5.6.130.0070.03718.30
5.6.120.0030.05721.11
5.6.110.0170.07721.02
5.6.100.0000.04321.21
5.6.90.0030.05321.17
5.6.80.0100.07720.57
5.6.70.4070.04320.64
5.5.350.0070.08020.56
5.5.340.0000.04018.08
5.5.330.0000.06020.47
5.5.320.0270.04320.47
5.5.310.0270.08320.48
5.5.300.0170.07318.07
5.5.290.0030.04718.16
5.5.280.0000.04721.08
5.5.270.0100.08020.88
5.5.260.0170.07020.86
5.5.250.0100.07020.71
5.5.240.0230.07320.37
5.4.450.2330.03719.20
5.4.440.2770.03719.46
5.4.430.2900.04319.54
5.4.420.3070.03019.19
5.4.410.3470.04719.21
5.4.400.3100.04319.14
5.4.390.3030.03718.85
5.4.380.2900.03319.09
5.4.370.3170.04019.20
5.4.360.3230.04019.00
5.4.350.3530.03719.24
5.4.340.3430.03719.09
5.4.320.3270.03719.22
5.4.310.3130.04019.04
5.4.300.2870.04019.08
5.4.290.3000.03319.24
5.4.280.3330.03719.31
5.4.270.2870.04319.31
5.4.260.3600.03719.09
5.4.250.3070.03718.87
5.4.240.3500.03719.21
5.4.230.3100.04018.93
5.4.220.3700.03319.21
5.4.210.3330.04019.30
5.4.200.3300.04019.22
5.4.190.3270.03718.97
5.4.180.3200.04019.07
5.4.170.3370.04019.23
5.4.160.3770.04018.96
5.4.150.3730.04019.18
5.4.140.3370.03716.73
5.4.130.4030.03316.42
5.4.120.4000.03716.39
5.4.110.3630.03016.47
5.4.100.3100.03716.51
5.4.90.3300.03716.45
5.4.80.3630.03016.24
5.4.70.3670.03016.48
5.4.60.3870.03316.46
5.4.50.4000.03016.52
5.4.40.3970.03716.48
5.4.30.3370.03716.55
5.4.20.3500.03716.52
5.4.10.3630.03316.50
5.4.00.3670.03315.86
5.3.290.3400.03714.57
5.3.280.3100.03014.59
5.3.270.3400.04014.61
5.3.260.3900.04314.53
5.3.250.3030.03714.63
5.3.240.3970.03714.63
5.3.230.3670.03014.58
5.3.220.3800.04014.79
5.3.210.3600.04014.56
5.3.200.3500.03314.56
5.3.190.3330.04314.49
5.3.180.3270.03714.58
5.3.170.3530.03314.58
5.3.160.3630.03714.47
5.3.150.3870.04014.73
5.3.140.4000.03714.53
5.3.130.3600.04014.46
5.3.120.3700.03714.52
5.3.110.3670.04014.46
5.3.100.3870.03713.96
5.3.90.3970.03714.24
5.3.80.3130.03314.04
5.3.70.3800.02713.95
5.3.60.3970.04014.02
5.3.50.3900.04014.11
5.3.40.3230.03313.85
5.3.30.3200.03013.83
5.3.20.3270.02713.60
5.3.10.3100.03313.67
5.3.00.2970.03313.54
5.2.170.3170.02711.07
5.2.160.2930.03011.20
5.2.150.2630.03011.07
5.2.140.2600.03011.26
5.2.130.2670.02711.26
5.2.120.2670.02711.32
5.2.110.2700.02311.01
5.2.100.2670.03011.26
5.2.90.2600.03011.03
5.2.80.2730.02311.00
5.2.70.2630.03011.00
5.2.60.2630.02711.00
5.2.50.2430.03010.95
5.2.40.2130.02010.96
5.2.30.2400.03011.05
5.2.20.2100.02710.94
5.2.10.2170.03710.84
5.2.00.2300.02710.72
5.1.60.2700.02010.12
5.1.50.2700.02310.00
5.1.40.2300.0209.96
5.1.30.2300.02710.25
5.1.20.2270.02710.46
5.1.10.2000.02710.15
5.1.00.2230.02310.07
5.0.50.1370.0238.63
5.0.40.1270.0278.39
5.0.30.1270.0408.26
5.0.20.1030.0238.26
5.0.10.1530.0178.26
5.0.00.1130.0308.26
4.4.90.1100.0138.26
4.4.80.1030.0178.26
4.4.70.1030.0178.26
4.4.60.1030.0178.26
4.4.50.0800.0178.26
4.4.40.1370.0278.26
4.4.30.1230.0178.26
4.4.20.1270.0208.26
4.4.10.1170.0108.26
4.4.00.1330.0278.26
4.3.110.1270.0208.26
4.3.100.0930.0138.26
4.3.90.1400.0138.26
4.3.80.1030.0238.26
4.3.70.1300.0208.26
4.3.60.1300.0208.26
4.3.50.1400.0208.26
4.3.40.1430.0238.26
4.3.30.0730.0278.26
4.3.20.0600.0238.26
4.3.10.0600.0208.26
4.3.00.0570.0178.26

preferences:
43.8 ms | 400 KiB | 5 Q