3v4l.org

run code in 300+ PHP versions simultaneously
<?php var_dump(json_decode(''), json_last_error());

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)
8.3.60.0140.01416.61
8.3.50.0110.00621.08
8.3.40.0090.01218.72
8.3.30.0100.01020.34
8.3.20.0060.00320.29
8.3.10.0040.00421.92
8.3.00.0070.01122.39
8.2.180.0140.00716.35
8.2.170.0220.00022.96
8.2.160.0130.00722.29
8.2.150.0120.00624.18
8.2.140.0030.00624.66
8.2.130.0090.00926.16
8.2.120.0030.00620.66
8.2.110.0040.00422.09
8.2.100.0040.00817.66
8.2.90.0080.00019.12
8.2.80.0000.00817.97
8.2.70.0040.00417.38
8.2.60.0040.00417.91
8.2.50.0050.00318.10
8.2.40.0070.00020.47
8.2.30.0000.00717.93
8.2.20.0070.00017.41
8.2.10.0030.00517.43
8.2.00.0000.00717.48
8.1.280.0060.00925.92
8.1.270.0080.00023.99
8.1.260.0060.00326.35
8.1.250.0040.00428.09
8.1.240.0080.00419.11
8.1.230.0040.00717.58
8.1.220.0040.00417.74
8.1.210.0040.00418.77
8.1.200.0030.00617.22
8.1.190.0050.00317.10
8.1.180.0030.00518.10
8.1.170.0000.00818.49
8.1.160.0000.00722.12
8.1.150.0030.00618.45
8.1.140.0000.01017.30
8.1.130.0000.00717.82
8.1.120.0000.00717.32
8.1.110.0040.00417.29
8.1.100.0000.00717.21
8.1.90.0000.00817.29
8.1.80.0040.00417.38
8.1.70.0000.00817.20
8.1.60.0040.00417.43
8.1.50.0030.00517.33
8.1.40.0040.00417.42
8.1.30.0080.00017.42
8.1.20.0030.00617.44
8.1.10.0000.00817.39
8.1.00.0040.00417.21
8.0.300.0070.00018.77
8.0.290.0060.00316.58
8.0.280.0040.00418.22
8.0.270.0000.00717.12
8.0.260.0000.00716.63
8.0.250.0000.00716.78
8.0.240.0000.00816.79
8.0.230.0000.00716.82
8.0.220.0000.00716.77
8.0.210.0000.00716.74
8.0.200.0000.00616.78
8.0.190.0030.00316.84
8.0.180.0000.00816.77
8.0.170.0040.00416.80
8.0.160.0070.00016.71
8.0.150.0000.00716.72
8.0.140.0000.00816.72
8.0.130.0030.00313.18
8.0.120.0000.00816.67
8.0.110.0030.00516.65
8.0.100.0040.00416.82
8.0.90.0080.00016.65
8.0.80.0120.00316.64
8.0.70.0070.00016.76
8.0.60.0080.00016.87
8.0.50.0000.00716.77
8.0.30.0120.01116.82
8.0.20.0150.00317.40
8.0.10.0030.00316.83
8.0.00.0090.00816.55
7.4.330.0020.00215.01
7.4.320.0030.00316.45
7.4.300.0000.00616.38
7.4.290.0000.00716.47
7.4.280.0000.00816.44
7.4.270.0040.00316.27
7.4.260.0000.00513.20
7.4.250.0000.00716.32
7.4.240.0020.00516.35
7.4.230.0040.00416.56
7.4.220.0030.01416.43
7.4.210.0070.00716.42
7.4.200.0040.00416.30
7.4.190.0000.00816.52
7.4.160.0060.00916.28
7.4.150.0090.01217.40
7.4.140.0060.01317.86
7.4.130.0130.00416.30
7.4.120.0070.01016.28
7.4.110.0070.01016.50
7.4.100.0070.01016.42
7.4.90.0050.01416.30
7.4.80.0070.01519.39
7.4.70.0100.00716.25
7.4.60.0060.01016.46
7.4.50.0000.00416.41
7.4.40.0070.00722.77
7.4.30.0000.01616.16
7.4.00.0100.00715.02
7.3.330.0030.00313.04
7.3.320.0000.00613.04
7.3.310.0030.00316.06
7.3.300.0040.00416.23
7.3.290.0100.00716.07
7.3.280.0080.01016.10
7.3.270.0070.01017.40
7.3.260.0120.00516.18
7.3.250.0100.00716.38
7.3.240.0130.00316.15
7.3.230.0130.00416.39
7.3.210.0090.00616.17
7.3.200.0000.01719.39
7.3.190.0080.00816.13
7.3.180.0100.00716.02
7.3.170.0100.00716.34
7.3.160.0090.01216.21
7.3.120.0030.01014.89
7.2.330.0140.00716.12
7.2.320.0090.01316.41
7.2.310.0110.00616.29
7.2.300.0140.00316.52
7.2.290.0150.00016.25
7.2.60.0040.01116.55
7.1.200.0070.00715.77
7.1.100.0110.00918.06
7.1.70.0030.01017.05
7.1.60.0140.01019.21
7.1.50.0080.01216.88
7.1.00.0030.05322.45
7.0.200.0060.00616.66
7.0.140.0070.07022.03
7.0.80.0300.07719.90
7.0.70.0330.05019.92
7.0.60.0900.05019.86
7.0.50.0430.09020.38
7.0.40.0070.05720.10
7.0.30.0000.07320.14
7.0.20.0130.05320.00
7.0.10.0200.06720.09
7.0.00.0070.08320.09
5.6.230.0130.07720.58
5.6.220.0070.05020.67
5.6.210.0100.08020.66
5.6.200.0070.06021.05
5.6.190.0030.06720.93
5.6.180.0000.08721.08
5.6.170.0170.06021.04
5.6.160.0130.07721.05
5.6.150.0130.08021.04
5.6.140.0130.08320.95
5.6.130.0000.09021.07
5.6.120.0070.09021.01
5.6.110.0100.08020.94
5.6.100.0030.04721.06
5.6.90.0100.08721.11
5.6.80.0070.08720.46
5.6.70.0130.04320.50
5.6.60.0070.07720.53
5.6.50.0100.05020.41
5.6.40.0070.04720.43
5.6.30.0100.05320.52
5.6.20.0230.07320.28
5.6.10.0270.07720.28
5.6.00.0070.05320.29
5.5.370.0030.08020.35
5.5.360.0000.05720.55
5.5.350.0000.09020.36
5.5.340.0130.08020.72
5.5.330.0100.07020.82
5.5.320.0130.07720.82
5.5.310.0200.07020.88
5.5.300.0130.07020.63
5.5.290.0000.07720.91
5.5.280.0070.05720.79
5.5.270.0100.05320.79
5.5.260.0070.06320.84
5.5.250.0100.08320.40
5.5.240.0030.08020.17
5.5.230.0070.08019.99
5.5.220.0200.06720.29
5.5.210.0130.08020.24
5.5.200.0070.05720.14
5.5.190.0100.03720.07
5.5.180.0130.07020.20
5.5.160.0030.04320.07
5.5.150.0170.07320.13
5.5.140.0070.08020.16
5.5.130.0070.07020.23
5.5.120.0070.08320.23
5.5.110.0170.07320.17
5.5.100.0030.08320.03
5.5.90.0070.05720.05
5.5.80.0170.05020.12
5.5.70.0070.06019.93
5.5.60.0070.06719.92
5.5.50.0100.08020.05
5.5.40.0030.07020.02
5.5.30.0100.06720.04
5.5.20.0030.05719.95
5.5.10.0170.06720.09
5.5.00.0030.06020.07
5.4.450.0130.07319.29
5.4.440.0070.07719.54
5.4.430.0030.08319.45
5.4.420.0170.06019.45
5.4.410.0070.08319.41
5.4.400.0100.07719.06
5.4.390.0070.07019.22
5.4.380.0070.07718.96
5.4.370.0070.08019.06
5.4.360.0030.06019.11
5.4.350.0170.05319.09
5.4.340.0070.05719.11
5.4.320.0100.06318.82
5.4.310.0170.06718.77
5.4.300.0130.07319.02
5.4.290.0070.07718.75
5.4.280.0030.05719.09
5.4.270.0070.08018.92
5.4.260.0170.07019.05
5.4.250.0130.06719.13
5.4.240.0130.06719.02
5.4.230.0100.08019.10
5.4.220.0070.05719.09
5.4.210.0070.07319.05
5.4.200.0070.05319.11
5.4.190.0070.07319.05
5.4.180.0130.05718.82
5.4.170.0130.06019.04
5.4.160.0130.06318.75
5.4.150.0130.07019.00
5.4.140.0130.07016.33
5.4.130.0030.03016.27
5.4.120.0000.08016.32
5.4.110.0130.05716.35
5.4.100.0130.06316.34
5.4.90.0070.07016.33
5.4.80.0100.07016.34
5.4.70.0100.07716.18
5.4.60.0070.07316.44
5.4.50.0100.05716.19
5.4.40.0070.04316.25
5.4.30.0030.06316.18
5.4.20.0100.07016.38
5.4.10.0070.03316.40
5.4.00.0070.03316.14
5.3.290.0030.05316.14
5.3.280.0100.07716.14
5.3.270.0100.07016.14
5.3.260.0070.06716.14
5.3.250.0100.05316.14
5.3.240.0000.05716.14
5.3.230.0030.07716.14
5.3.220.0030.05316.14
5.3.210.0030.07716.14
5.3.200.0170.05716.14
5.3.190.0070.07316.14
5.3.180.0100.08016.14
5.3.170.0030.06316.14
5.3.160.0130.06716.14
5.3.150.0170.06316.14
5.3.140.0070.04716.14
5.3.130.0130.03016.14
5.3.120.0070.04316.14
5.3.110.0070.03716.14
5.3.100.0070.06716.14
5.3.90.0100.06316.14
5.3.80.0070.07716.14
5.3.70.0070.05316.14
5.3.60.0100.03716.14
5.3.50.0000.04016.14
5.3.40.0030.05316.14
5.3.30.0170.03016.14
5.3.20.0030.07316.14
5.3.10.0000.04016.14
5.3.00.0070.03716.14
5.2.170.0030.03316.14
5.2.160.0000.03316.14
5.2.150.0030.03316.14
5.2.140.0030.05016.14
5.2.130.0130.04016.14
5.2.120.0100.05316.14
5.2.110.0070.03716.14
5.2.100.0030.03016.14
5.2.90.0070.03716.14
5.2.80.0030.06316.14
5.2.70.0030.05016.14
5.2.60.0130.05016.14
5.2.50.0070.03716.14
5.2.40.0070.02716.14
5.2.30.0030.04016.14
5.2.20.0100.04716.14
5.2.10.0000.05716.14
5.2.00.0000.04016.14
5.1.60.0070.05016.14
5.1.50.0000.03716.14
5.1.40.0000.03316.14
5.1.30.0000.03016.14
5.1.20.0100.04316.14
5.1.10.0000.05316.14
5.1.00.0100.02716.14
5.0.50.0070.02016.14
5.0.40.0070.02316.14
5.0.30.0000.03316.14
5.0.20.0030.04016.14
5.0.10.0100.01716.14
5.0.00.0000.06316.14
4.4.90.0030.03016.14
4.4.80.0100.01316.14
4.4.70.0100.01316.14
4.4.60.0070.03316.14
4.4.50.0000.03016.14
4.4.40.0030.05016.14
4.4.30.0000.03316.14
4.4.20.0000.04016.14
4.4.10.0000.03016.14
4.4.00.0100.04316.14
4.3.110.0000.03016.14
4.3.100.0030.02316.14
4.3.90.0030.03016.14
4.3.80.0000.04316.14
4.3.70.0000.02316.14
4.3.60.0000.02316.14
4.3.50.0000.02316.14
4.3.40.0000.04316.14
4.3.30.0000.02316.14
4.3.20.0030.01716.14
4.3.10.0000.01716.14
4.3.00.0030.01316.14

preferences:
44.45 ms | 401 KiB | 5 Q