3v4l.org

run code in 300+ PHP versions simultaneously
<?php var_dump(json_encode(json_decode('{"":""}')));

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)
8.3.60.0100.00718.43
8.3.50.0120.00721.98
8.3.40.0040.01118.38
8.3.30.0040.01118.30
8.3.20.0000.00720.22
8.3.10.0040.00420.40
8.3.00.0040.00421.68
8.2.180.0060.01318.17
8.2.170.0140.00022.96
8.2.160.0120.00322.32
8.2.150.0080.00024.18
8.2.140.0000.00924.66
8.2.130.0040.00421.19
8.2.120.0060.00326.35
8.2.110.0090.00020.35
8.2.100.0040.00817.66
8.2.90.0060.00319.23
8.2.80.0000.00817.97
8.2.70.0060.00317.80
8.2.60.0030.00517.68
8.2.50.0040.00418.10
8.2.40.0040.00420.47
8.2.30.0000.00719.30
8.2.20.0040.00417.66
8.2.10.0050.00217.97
8.2.00.0050.00217.87
8.1.280.0150.00025.92
8.1.270.0040.01522.05
8.1.260.0070.00028.09
8.1.250.0070.00028.09
8.1.240.0040.00422.36
8.1.230.0120.00019.21
8.1.220.0040.00417.74
8.1.210.0000.00818.77
8.1.200.0060.00616.98
8.1.190.0000.00817.10
8.1.180.0000.00818.10
8.1.170.0050.00318.54
8.1.160.0070.00020.63
8.1.150.0080.00018.63
8.1.140.0090.00019.34
8.1.130.0030.00317.55
8.1.120.0030.00317.21
8.1.110.0000.00717.38
8.1.100.0000.00817.22
8.1.90.0070.00017.23
8.1.80.0030.00417.34
8.1.70.0000.00717.21
8.1.60.0080.00017.34
8.1.50.0030.00517.38
8.1.40.0000.00817.28
8.1.30.0030.00517.38
8.1.20.0100.00017.25
8.1.10.0040.00417.26
8.1.00.0000.00717.23
8.0.300.0040.00419.52
8.0.290.0050.00216.58
8.0.280.0030.00318.30
8.0.270.0070.00017.05
8.0.260.0040.00417.17
8.0.250.0070.00016.89
8.0.240.0070.00016.73
8.0.230.0030.00316.79
8.0.220.0040.00416.65
8.0.210.0040.00416.77
8.0.200.0000.00716.79
8.0.190.0000.00816.72
8.0.180.0070.00416.80
8.0.170.0070.00016.76
8.0.160.0050.00316.67
8.0.150.0070.00016.57
8.0.140.0050.00516.59
8.0.130.0030.00313.26
8.0.120.0040.00416.68
8.0.110.0000.00816.73
8.0.100.0040.00416.62
8.0.90.0070.00016.64
8.0.80.0070.00716.77
8.0.70.0070.00016.55
8.0.60.0000.00716.66
8.0.50.0000.00716.59
8.0.30.0070.00917.04
8.0.20.0110.01017.40
8.0.10.0000.00816.87
8.0.00.0100.00816.62
7.4.330.0030.00316.67
7.4.320.0030.00316.47
7.4.300.0000.00616.44
7.4.290.0090.00016.48
7.4.280.0000.00716.37
7.4.270.0030.00316.44
7.4.260.0030.00516.38
7.4.250.0000.00716.43
7.4.240.0040.00416.39
7.4.230.0000.00716.27
7.4.220.0120.00916.45
7.4.210.0070.00716.37
7.4.200.0000.00916.46
7.4.160.0080.00816.20
7.4.150.0200.00317.40
7.4.140.0080.01217.86
7.4.130.0110.00816.42
7.4.120.0090.00816.34
7.4.110.0100.00616.20
7.4.100.0070.01616.41
7.4.90.0100.00716.39
7.4.80.0110.01219.39
7.4.70.0110.00516.24
7.4.60.0060.01216.46
7.4.50.0040.01116.39
7.4.40.0090.00916.22
7.4.30.0030.01316.37
7.4.00.0100.00714.68
7.3.330.0050.00012.93
7.3.320.0050.00013.00
7.3.310.0030.00315.98
7.3.300.0030.00316.11
7.3.290.0120.00416.07
7.3.280.0090.00716.12
7.3.270.0130.01017.40
7.3.260.0170.00016.10
7.3.250.0110.00816.19
7.3.240.0120.00716.23
7.3.230.0060.01116.39
7.3.210.0060.00916.08
7.3.200.0150.00016.22
7.3.190.0090.00616.22
7.3.180.0100.00716.16
7.3.170.0090.01216.27
7.3.160.0090.00616.14
7.2.330.0030.01616.61
7.2.320.0110.01116.46
7.2.310.0070.01016.39
7.2.300.0070.01416.29
7.2.290.0090.01316.48
7.2.60.0030.00916.59
7.2.00.0030.01419.13
7.1.200.0000.01215.51
7.1.100.0080.00517.90
7.1.70.0000.00716.89
7.1.60.0140.00419.19
7.1.50.0070.01416.55
7.1.00.0070.07322.44
7.0.200.0290.00314.77
7.0.90.0030.06019.82
7.0.80.0100.04719.86
7.0.70.0200.07719.88
7.0.60.0100.08019.91
7.0.50.0100.06020.15
7.0.40.0100.07020.08
7.0.30.0030.07020.09
7.0.20.0070.05020.09
7.0.10.0100.04320.02
7.0.00.0070.07020.13
5.6.280.0070.07021.04
5.6.240.0070.05020.49
5.6.230.0070.04020.48
5.6.220.0100.07320.61
5.6.210.0100.03320.60
5.6.200.0100.04720.91
5.6.190.0070.06721.07
5.6.180.0030.04321.06
5.6.170.0130.07320.95
5.6.160.0130.04021.05
5.6.150.0030.06021.04
5.6.140.0070.07321.16
5.6.130.0070.06021.04
5.6.120.0030.08021.12
5.6.110.0070.08720.91
5.6.100.0100.07720.93
5.6.90.0000.05321.05
5.6.80.0000.06720.38
5.6.70.0130.06720.25
5.6.60.0100.08320.33
5.6.50.0130.06720.46
5.6.40.0100.07720.30
5.6.30.0070.08020.37
5.6.20.0100.07320.29
5.6.10.0130.07720.37
5.6.00.0200.06020.41
5.5.380.0170.06020.50
5.5.370.0030.04320.35
5.5.360.0300.03020.28
5.5.350.0030.05020.37
5.5.340.0070.04320.82
5.5.330.0170.07720.82
5.5.320.0070.04720.77
5.5.310.0030.08320.72
5.5.300.0070.05020.88
5.5.290.0100.08020.90
5.5.280.0070.08320.87
5.5.270.0100.08020.91
5.5.260.0070.05020.88
5.5.250.0070.06320.45
5.5.240.0070.07320.25
5.5.230.0130.06320.14
5.5.220.0070.07020.25
5.5.210.0030.07020.23
5.5.200.0100.06720.08
5.5.190.0070.08020.07
5.5.180.0100.04320.21
5.5.160.0100.07720.12
5.5.150.0170.03320.14
5.5.140.0000.04720.13
5.5.130.0030.04019.95
5.5.120.0030.07320.25
5.5.110.0100.05019.97
5.5.100.0170.07320.16
5.5.90.0170.06720.07
5.5.80.0070.04320.10
5.5.70.0070.05020.13
5.5.60.0030.04320.02
5.5.50.0070.07320.02
5.5.40.0070.04720.04
5.5.30.0100.06320.12
5.5.20.0100.04320.04
5.5.10.0130.06720.11
5.5.00.0030.04720.04

preferences:
58.17 ms | 401 KiB | 5 Q