3v4l.org

run code in 300+ PHP versions simultaneously
<?php $array = array(); for ($i = 0; $i < 10; $i++) $array = array($array); json_encode($array);

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)
8.3.60.0120.00918.43
8.3.50.0100.00821.85
8.3.40.0100.00718.59
8.3.30.0100.00318.58
8.3.20.0040.00418.64
8.3.10.0060.00321.14
8.3.00.0000.00723.71
8.2.180.0100.01018.05
8.2.170.0140.00022.96
8.2.160.0130.00320.47
8.2.150.0080.00024.18
8.2.140.0050.00324.66
8.2.130.0080.00026.16
8.2.120.0040.00419.35
8.2.110.0070.00421.00
8.2.100.0070.00417.91
8.2.90.0030.00619.09
8.2.80.0060.00317.97
8.2.70.0040.00417.38
8.2.60.0000.00817.80
8.2.50.0060.00618.07
8.2.40.0000.00818.03
8.2.30.0070.00019.83
8.2.20.0080.00017.52
8.2.10.0020.00517.73
8.2.00.0040.00417.60
8.1.280.0110.00425.92
8.1.270.0000.00823.99
8.1.260.0070.01126.35
8.1.250.0040.00428.09
8.1.240.0030.00621.37
8.1.230.0080.00417.45
8.1.220.0000.00817.74
8.1.210.0080.00018.77
8.1.200.0000.00817.36
8.1.190.0030.00717.23
8.1.180.0000.00718.10
8.1.170.0000.00818.69
8.1.160.0040.00418.80
8.1.150.0070.00018.55
8.1.140.0070.00017.44
8.1.130.0070.00017.79
8.1.120.0050.00217.46
8.1.110.0080.00017.48
8.1.100.0000.00717.50
8.1.90.0000.00717.32
8.1.80.0040.00417.38
8.1.70.0000.00717.30
8.1.60.0040.00417.52
8.1.50.0000.00717.41
8.1.40.0040.00417.50
8.1.30.0000.00817.48
8.1.20.0040.00417.63
8.1.10.0040.00417.49
8.1.00.0060.00617.40
8.0.300.0000.00718.77
8.0.290.0070.00016.75
8.0.280.0000.00718.35
8.0.270.0070.00017.16
8.0.260.0030.00316.70
8.0.250.0000.00716.83
8.0.240.0040.00416.89
8.0.230.0030.00316.93
8.0.220.0000.00716.91
8.0.210.0030.00316.89
8.0.200.0000.00716.80
8.0.190.0040.00416.87
8.0.180.0020.00516.95
8.0.170.0000.00816.79
8.0.160.0070.00016.93
8.0.150.0040.00416.86
8.0.140.0030.00316.90
8.0.130.0050.00013.37
8.0.120.0040.00416.73
8.0.110.0040.00416.93
8.0.100.0070.00016.91
8.0.90.0050.00316.86
8.0.80.0120.00316.77
8.0.70.0050.00316.93
8.0.60.0050.00316.94
8.0.50.0040.00416.87
8.0.30.0040.01517.18
8.0.20.0190.01317.40
8.0.10.0000.00716.98
8.0.00.0090.01016.80
7.4.330.0000.00514.89
7.4.320.0060.00016.50
7.4.300.0030.00316.58
7.4.290.0050.00316.42
7.4.280.0070.00316.40
7.4.270.0000.00716.60
7.4.260.0000.00513.31
7.4.250.0080.00016.39
7.4.240.0000.00716.64
7.4.230.0070.00016.61
7.4.220.0030.01316.54
7.4.210.0060.01116.53
7.4.200.0000.00716.34
7.4.190.0030.00516.65
7.4.160.0090.00916.38
7.4.150.0120.00617.40
7.4.140.0100.01017.86
7.4.130.0050.01216.43
7.4.120.0090.01016.61
7.4.110.0030.01516.38
7.4.100.0070.01016.46
7.4.90.0090.00916.58
7.4.80.0110.01119.37
7.4.70.0090.00916.41
7.4.60.0070.01416.39
7.4.50.0000.00816.27
7.4.40.0110.00422.27
7.4.30.0120.00616.55
7.4.00.0030.01415.04
7.3.330.0000.00513.06
7.3.320.0060.00313.09
7.3.310.0000.00716.06
7.3.300.0040.00416.16
7.3.290.0140.00016.24
7.3.280.0050.01216.24
7.3.270.0100.00617.40
7.3.260.0100.00718.24
7.3.250.0120.00516.49
7.3.240.0030.01316.62
7.3.230.0030.01216.39
7.3.210.0040.01716.23
7.3.200.0130.00319.39
7.3.190.0090.00616.31
7.3.180.0090.00616.54
7.3.170.0130.00716.34
7.3.160.0060.01216.36
7.3.120.0060.00614.86
7.3.10.0070.00716.76
7.3.00.0100.00316.66
7.2.330.0100.00716.62
7.2.320.0000.01716.66
7.2.310.0140.00716.49
7.2.300.0160.00616.36
7.2.290.0030.01816.63
7.2.130.0030.01016.98
7.2.120.0040.01116.86
7.2.110.0070.01016.74
7.2.100.0050.00516.79
7.2.90.0030.01217.03
7.2.80.0070.01017.06
7.2.70.0040.00416.92
7.2.60.0050.01016.78
7.2.50.0070.00716.57
7.2.40.0070.00416.89
7.2.30.0040.01116.68
7.2.20.0090.00616.80
7.2.10.0080.00016.54
7.2.00.0050.00818.11
7.1.250.0070.00715.87
7.1.200.0100.00015.86
7.1.100.0030.01018.12
7.1.70.0030.00517.12
7.1.60.0100.01319.40
7.1.50.0100.01417.06
7.1.00.0130.06322.45
7.0.200.0000.00716.79
7.0.140.0000.07722.09
7.0.90.0230.05719.90
7.0.80.0570.08019.84
7.0.70.0500.07720.01
7.0.60.0630.07719.96
7.0.50.0530.08320.31
7.0.40.0030.08720.08
7.0.30.0070.08020.11
7.0.20.0130.07020.08
7.0.10.0130.06020.02
7.0.00.0230.07020.13
5.6.280.0030.07020.75
5.6.240.0070.07720.63
5.6.230.0100.04720.71
5.6.220.0000.06020.48
5.6.210.0000.08720.63
5.6.200.0070.07321.05
5.6.190.0030.08721.03
5.6.180.0030.05021.13
5.6.170.0030.05321.03
5.6.160.0030.07320.95
5.6.150.0070.04720.93
5.6.140.0030.08320.95
5.6.130.0100.05021.07
5.6.120.0170.06721.09
5.6.110.0100.07021.00
5.6.100.0070.07720.98
5.6.90.0130.08020.99
5.6.80.0130.05020.45
5.6.70.0070.08320.45
5.6.60.0070.07020.31
5.6.50.0170.07320.42
5.6.40.0100.04720.37
5.6.30.0100.05720.41
5.6.20.0070.08020.37
5.6.10.0070.08020.30
5.6.00.0100.04020.42
5.5.380.0070.07320.50
5.5.370.0170.07320.45
5.5.360.0130.07320.49
5.5.350.0030.05320.41
5.5.340.0000.06020.79
5.5.330.0070.07720.79
5.5.320.0130.07720.81
5.5.310.0100.03720.90
5.5.300.0170.06720.91
5.5.290.0070.05020.88
5.5.280.0070.07720.82
5.5.270.0070.08720.84
5.5.260.0100.07720.84
5.5.250.0030.07320.63
5.5.240.0070.07720.10
5.5.230.0100.05320.28
5.5.220.0100.07720.16
5.5.210.0070.04320.29
5.5.200.0100.07020.19
5.5.190.0100.05020.25
5.5.180.0070.07720.23
5.5.160.0100.07720.12
5.5.150.0170.06720.20
5.5.140.0030.05720.20
5.5.130.0030.08020.23
5.5.120.0000.06020.15
5.5.110.0070.04720.25
5.5.100.0130.07320.05
5.5.90.0100.05720.12
5.5.80.0030.08020.00
5.5.70.0070.07020.05
5.5.60.0000.05320.07
5.5.50.0030.04720.12
5.5.40.0000.07020.08
5.5.30.0070.07320.07
5.5.20.0170.05019.98
5.5.10.0100.04720.02
5.5.00.0100.07720.09
5.4.450.0200.07019.36
5.4.440.0030.04319.49
5.4.430.0130.04319.34
5.4.420.0000.08719.36
5.4.410.0070.07019.17
5.4.400.0000.07318.97
5.4.390.0130.07318.89
5.4.380.0070.08019.10
5.4.370.0030.07318.78
5.4.360.0100.06318.78
5.4.350.0070.07319.04
5.4.340.0030.06018.96
5.4.320.0130.06019.07
5.4.310.0070.07319.09
5.4.300.0100.07719.11
5.4.290.0130.06719.11
5.4.280.0200.07019.24
5.4.270.0000.06318.89
5.4.260.0070.07319.09
5.4.250.0130.04719.04
5.4.240.0130.06718.97
5.4.230.0100.04319.06
5.4.220.0000.05318.93
5.4.210.0030.08019.11
5.4.200.0170.06319.02
5.4.190.0000.05719.01
5.4.180.0030.05318.80
5.4.170.0070.08019.06
5.4.160.0070.07719.07
5.4.150.0070.06019.05
5.4.140.0130.03716.32
5.4.130.0000.04716.22
5.4.120.0100.06016.31
5.4.110.0030.07016.22
5.4.100.0130.06716.41
5.4.90.0070.07316.20
5.4.80.0000.04716.19
5.4.70.0000.06016.31
5.4.60.0030.04716.18
5.4.50.0130.06716.21
5.4.40.0030.05316.45
5.4.30.0100.03016.19
5.4.20.0100.06016.30
5.4.10.0000.04016.29
5.4.00.0070.05015.66
5.3.290.0070.06714.60
5.3.280.0070.07014.41
5.3.270.0000.08314.51
5.3.260.0170.07014.43
5.3.250.0070.07714.45
5.3.240.0000.04314.51
5.3.230.0070.08014.59
5.3.220.0100.07014.54
5.3.210.0170.06014.42
5.3.200.0100.06014.53
5.3.190.0100.07314.40
5.3.180.0070.03714.52
5.3.170.0100.04314.54
5.3.160.0100.07314.52
5.3.150.0000.07714.54
5.3.140.0030.07314.46
5.3.130.0100.03714.50
5.3.120.0030.03714.43
5.3.110.0030.04314.45
5.3.100.0070.03313.89
5.3.90.0070.03714.02
5.3.80.0000.04013.79
5.3.70.0030.03714.00
5.3.60.0030.03713.95
5.3.50.0030.04013.90
5.3.40.0100.03013.71
5.3.30.0000.04013.86
5.3.20.0100.05013.45
5.3.10.0000.03313.56
5.3.00.0000.03713.59
5.2.170.0030.02711.14
5.2.160.0030.02711.18
5.2.150.0030.02711.16
5.2.140.0000.03311.13
5.2.130.0100.03311.15
5.2.120.0000.03011.02
5.2.110.0070.03010.89
5.2.100.0030.02710.89
5.2.90.0030.04010.95
5.2.80.0070.05711.13
5.2.70.0000.06010.94
5.2.60.0070.04711.10
5.2.50.0000.03310.93
5.2.40.0100.05011.04
5.2.30.0000.03710.98
5.2.20.0030.03010.91
5.2.10.0030.03710.90
5.2.00.0030.05010.76
5.1.60.0030.0309.99
5.1.50.0030.0279.99
5.1.40.0000.0279.97
5.1.30.0100.02310.23
5.1.20.0030.03010.36
5.1.10.0000.0339.96
5.1.00.0000.02710.11
5.0.50.0030.0208.55
5.0.40.0030.0178.47
5.0.30.0000.0378.27
5.0.20.0000.0238.30
5.0.10.0070.0178.24
5.0.00.0000.0308.19
4.4.90.0000.0208.19
4.4.80.0030.0178.19
4.4.70.0070.0238.19
4.4.60.0000.0178.19
4.4.50.0030.0238.19
4.4.40.0000.0408.19
4.4.30.0000.0178.19
4.4.20.0030.0238.19
4.4.10.0000.0208.19
4.4.00.0000.0278.19
4.3.110.0000.0178.19
4.3.100.0030.0138.19
4.3.90.0030.0138.19
4.3.80.0030.0238.19
4.3.70.0030.0178.19
4.3.60.0070.0108.19
4.3.50.0000.0178.19
4.3.40.0030.0208.19
4.3.30.0030.0138.19
4.3.20.0000.0178.19
4.3.10.0000.0208.19
4.3.00.0000.0138.19

preferences:
38.52 ms | 400 KiB | 5 Q