3v4l.org

run code in 300+ PHP versions simultaneously
<?php var_dump(json_encode('foo'));;

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)
8.5.30.0090.00818.51
8.5.20.0130.00520.16
8.5.10.0110.00620.09
8.5.00.0130.00819.78
8.4.180.0090.01223.82
8.4.170.0120.01022.17
8.4.160.0140.00723.93
8.4.150.0090.00416.86
8.4.140.0140.00817.28
8.4.130.0020.00617.67
8.4.120.0080.01124.09
8.4.110.0110.00919.00
8.4.100.0060.00317.61
8.4.90.0130.00620.42
8.4.80.0010.00718.83
8.4.70.0140.00720.31
8.4.60.0130.00718.82
8.4.50.0100.00922.16
8.4.40.0160.00319.07
8.4.30.0150.00017.33
8.4.20.0190.00017.61
8.4.10.0140.00717.41
8.3.300.0100.01120.47
8.3.290.0130.00818.28
8.3.280.0080.00416.16
8.3.270.0110.00916.34
8.3.260.0110.00816.54
8.3.250.0120.00618.92
8.3.240.0120.00716.57
8.3.230.0150.00616.66
8.3.220.0090.00818.75
8.3.210.0050.00918.19
8.3.200.0050.00416.70
8.3.190.0060.01017.05
8.3.180.0110.00518.77
8.3.170.0090.00918.74
8.3.160.0120.00620.80
8.3.150.0040.01117.23
8.3.140.0050.00320.97
8.3.130.0000.00818.13
8.3.120.0030.00620.54
8.3.110.0090.00020.94
8.3.100.0040.00418.18
8.3.90.0040.00426.77
8.3.80.0040.00417.97
8.3.70.0140.00316.38
8.3.60.0080.00818.30
8.3.50.0090.00922.05
8.3.40.0150.00018.60
8.3.30.0090.00618.38
8.3.20.0060.00319.03
8.3.10.0050.00321.53
8.3.00.0000.00819.13
8.2.300.0160.00617.92
8.2.290.0080.01016.38
8.2.280.0110.00918.22
8.2.270.0090.00918.80
8.2.260.0120.00616.41
8.2.250.0000.00816.58
8.2.240.0030.00617.06
8.2.230.0060.00322.58
8.2.220.0100.00024.06
8.2.210.0050.00326.77
8.2.200.0040.00416.50
8.2.190.0150.00616.58
8.2.180.0170.00318.16
8.2.170.0070.00722.96
8.2.160.0070.00720.53
8.2.150.0050.00324.18
8.2.140.0050.00324.66
8.2.130.0070.00019.33
8.2.120.0070.00726.35
8.2.110.0030.00620.94
8.2.100.0040.00817.78
8.2.90.0030.00618.78
8.2.80.0000.00817.97
8.2.70.0060.00317.50
8.2.60.0050.00317.91
8.2.50.0060.00318.10
8.2.40.0060.00322.17
8.2.30.0030.00719.02
8.2.20.0040.00417.55
8.2.10.0000.00717.83
8.2.00.0050.00217.91
8.1.340.0130.00717.40
8.1.330.0140.00516.28
8.1.320.0090.00915.93
8.1.310.0040.00416.65
8.1.300.0080.00017.58
8.1.290.0110.00030.84
8.1.280.0130.00325.92
8.1.270.0000.00823.79
8.1.260.0040.00428.09
8.1.250.0040.00428.09
8.1.240.0040.00717.13
8.1.230.0100.00017.45
8.1.220.0040.00417.74
8.1.210.0090.00018.77
8.1.200.0040.00417.11
8.1.190.0040.00417.10
8.1.180.0000.00918.10
8.1.170.0040.00418.48
8.1.160.0030.00318.84
8.1.150.0000.00718.66
8.1.140.0040.00419.35
8.1.130.0000.00717.67
8.1.120.0000.00717.34
8.1.110.0040.00417.30
8.1.100.0000.00717.36
8.1.90.0040.00417.31
8.1.80.0040.00417.32
8.1.70.0040.00417.29
8.1.60.0040.00417.47
8.1.50.0050.00317.39
8.1.40.0040.00417.27
8.1.30.0050.00317.54
8.1.20.0000.00817.48
8.1.10.0040.00417.39
8.1.00.0090.00317.32
8.0.300.0050.00318.77
8.0.290.0040.00416.58
8.0.280.0000.00718.31
8.0.270.0000.00716.98
8.0.260.0030.00317.12
8.0.250.0030.00616.83
8.0.240.0000.00616.78
8.0.230.0060.00016.77
8.0.220.0030.00316.73
8.0.210.0030.00316.75
8.0.200.0000.00616.82
8.0.190.0040.00416.84
8.0.180.0030.00516.80
8.0.170.0080.00016.78
8.0.160.0000.00716.80
8.0.150.0030.00516.69
8.0.140.0000.00716.72
8.0.130.0030.00313.16
8.0.120.0040.00416.60
8.0.110.0000.00716.80
8.0.100.0040.00416.81
8.0.90.0000.00816.63
8.0.80.0030.01216.68
8.0.70.0000.00716.72
8.0.60.0030.00516.68
8.0.50.0000.00716.80
8.0.30.0100.00717.08
8.0.20.0130.00817.40
8.0.10.0040.00316.91
8.0.00.0120.01216.53
7.4.330.0020.00215.08
7.4.320.0000.00616.32
7.4.300.0000.00616.39
7.4.290.0080.00016.35
7.4.280.0050.00216.45
7.4.270.0000.00716.50
7.4.260.0000.00716.44
7.4.250.0040.00416.35
7.4.240.0030.00316.26
7.4.230.0070.00016.56
7.4.220.0070.02016.39
7.4.210.0110.00316.39
7.4.200.0070.00016.52
7.4.160.0130.00316.38
7.4.150.0140.00317.40
7.4.140.0110.00617.86
7.4.130.0060.01116.43
7.4.120.0080.01016.36
7.4.110.0040.01416.30
7.4.100.0170.00016.32
7.4.90.0070.01016.41
7.4.80.0110.01119.39
7.4.70.0060.01016.23
7.4.60.0070.01016.25
7.4.50.0000.01116.12
7.4.40.0140.00316.35
7.4.30.0120.00316.51
7.4.00.0090.00314.89
7.3.330.0000.00612.96
7.3.320.0030.00312.88
7.3.310.0020.00516.21
7.3.300.0080.00016.12
7.3.290.0100.00316.10
7.3.280.0060.01016.10
7.3.270.0190.00617.40
7.3.260.0120.00416.14
7.3.250.0080.00916.25
7.3.240.0100.00916.33
7.3.230.0130.00316.39
7.3.210.0080.00816.41
7.3.200.0170.00316.13
7.3.190.0060.01216.38
7.3.180.0090.00616.44
7.3.170.0170.00316.34
7.3.160.0130.01016.14
7.3.10.0170.00015.79
7.3.00.0140.00916.66
7.2.330.0050.01316.23
7.2.320.0090.01316.22
7.2.310.0140.00416.36
7.2.300.0180.00616.23
7.2.290.0060.01016.48
7.2.130.0060.00616.67
7.2.120.0090.00616.13
7.2.110.0060.00616.63
7.2.100.0060.00916.36
7.2.90.0080.00816.39
7.2.80.0130.00316.52
7.2.70.0120.00616.41
7.2.60.0060.00816.35
7.2.50.0070.00716.43
7.2.40.0090.00616.23
7.2.30.0100.00716.56
7.2.20.0100.00316.81
7.2.10.0030.00916.50
7.2.00.0100.01017.68
7.1.250.0070.00715.46
7.1.200.0000.01215.42
7.1.100.0060.00617.76
7.1.70.0030.00917.12
7.1.60.0100.01619.47
7.1.00.0000.08022.43
7.0.200.0040.00716.51
7.0.90.0630.09019.97
7.0.80.0270.07719.89
7.0.70.0530.05720.12
7.0.60.0230.08019.90
7.0.50.0570.05020.37
7.0.40.0070.08020.04
7.0.30.0070.09020.18
7.0.20.0130.08020.00
7.0.10.0100.08019.92
7.0.00.0170.07720.09
5.6.280.0100.06720.76
5.6.240.0130.06320.63
5.6.230.0200.07020.65
5.6.220.0100.08020.48
5.6.210.0070.08320.52
5.6.200.0230.05721.04
5.6.190.0070.08320.95
5.6.180.0100.08321.03
5.6.170.0030.08321.01
5.6.160.0030.08321.02
5.6.150.0030.09320.95
5.6.140.0100.05320.96
5.6.130.0030.07321.00
5.6.120.0130.06321.16
5.6.110.0030.08721.09
5.6.100.0130.07021.09
5.6.90.0070.09020.92
5.6.80.0130.07320.34
5.6.70.0030.08720.37
5.6.60.0200.06720.39
5.6.50.0100.07320.54
5.6.40.0070.08020.43
5.6.30.0070.07320.40
5.6.20.0100.06320.51
5.6.10.0170.06020.39
5.6.00.0030.08020.37
5.5.380.0030.08020.41
5.5.370.0170.07320.53
5.5.360.0030.08320.55
5.5.350.0070.04020.31
5.5.340.0100.07720.91
5.5.330.0170.07320.77
5.5.320.0070.07320.92
5.5.310.0070.08020.86
5.5.300.0100.08020.77
5.5.290.0130.07320.81
5.5.280.0030.08720.75
5.5.270.0030.08720.88
5.5.260.0170.04020.77
5.5.250.0070.04720.56
5.5.240.0170.07320.27
5.5.230.0030.07320.10
5.5.220.0070.06320.25
5.5.210.0030.06320.27
5.5.200.0100.07720.25
5.5.190.0030.08020.17
5.5.180.0030.06320.27
5.5.160.0130.06720.20
5.5.150.0030.08320.25
5.5.140.0200.07020.13
5.5.130.0070.07720.14
5.5.120.0130.07720.23
5.5.110.0200.06020.21
5.5.100.0000.09020.04
5.5.90.0170.06720.15
5.5.80.0170.07319.96
5.5.70.0070.07720.09
5.5.60.0130.07020.02
5.5.50.0100.07319.95
5.5.40.0030.08020.13
5.5.30.0130.06720.12
5.5.20.0130.07720.04
5.5.10.0070.08320.02
5.5.00.0070.07020.04

preferences:
47 ms | 1707 KiB | 5 Q