3v4l.org

run code in 300+ PHP versions simultaneously
<?php echo json_encode(['a'=>1,2,3]);

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)
8.3.60.0170.00316.63
8.3.50.0040.01118.18
8.3.40.0070.00718.67
8.3.30.0090.00618.42
8.3.20.0040.00421.76
8.3.10.0040.00423.41
8.3.00.0040.00419.00
8.2.180.0120.00918.16
8.2.170.0090.00622.96
8.2.160.0100.00319.04
8.2.150.0040.00424.18
8.2.140.0080.00024.66
8.2.130.0040.00422.29
8.2.120.0040.00426.35
8.2.110.0100.00020.92
8.2.100.0070.00417.94
8.2.90.0040.00419.17
8.2.80.0030.00517.97
8.2.70.0000.00817.68
8.2.60.0050.00218.09
8.2.50.0090.00018.10
8.2.40.0000.00720.46
8.2.30.0080.00019.23
8.2.20.0000.00717.89
8.2.10.0070.00017.98
8.2.00.0040.00418.02
8.1.280.0210.00025.92
8.1.270.0080.00020.65
8.1.260.0070.00026.35
8.1.250.0040.00428.09
8.1.240.0060.00322.13
8.1.230.0040.00820.78
8.1.220.0040.00417.74
8.1.210.0000.00818.77
8.1.200.0060.00317.10
8.1.190.0030.00617.22
8.1.180.0070.00018.10
8.1.170.0040.00418.57
8.1.160.0000.00818.70
8.1.150.0080.00020.65
8.1.140.0000.00819.34
8.1.130.0070.00018.80
8.1.120.0030.00317.36
8.1.110.0040.00417.24
8.1.100.0050.00317.30
8.1.90.0020.00517.32
8.1.80.0000.00717.38
8.1.70.0030.00317.37
8.1.60.0080.00017.49
8.1.50.0030.00617.39
8.1.40.0070.00017.30
8.1.30.0000.00817.39
8.1.20.0080.00017.53
8.1.10.0030.00517.45
8.1.00.0030.00617.40
8.0.300.0040.00421.52
8.0.290.0050.00316.62
8.0.280.0030.00318.30
8.0.270.0070.00017.18
8.0.260.0000.00617.19
8.0.250.0070.00016.91
8.0.240.0040.00416.79
8.0.230.0070.00016.79
8.0.220.0030.00316.76
8.0.210.0080.00016.82
8.0.200.0070.00016.70
8.0.190.0050.00316.84
8.0.180.0030.00516.81
8.0.170.0060.00316.64
8.0.160.0040.00416.71
8.0.150.0000.00716.59
8.0.140.0060.00316.68
8.0.130.0000.00513.19
8.0.120.0070.00016.69
8.0.110.0000.00716.86
8.0.100.0040.00416.75
8.0.90.0060.00316.64
8.0.80.0060.01016.73
8.0.70.0000.00716.60
8.0.60.0050.00216.82
8.0.50.0000.00816.69
8.0.30.0060.00916.87
8.0.20.0110.01017.40
8.0.10.0000.00716.97
8.0.00.0090.01516.57
7.4.330.0000.00515.55
7.4.320.0030.00316.45
7.4.300.0000.00616.38
7.4.290.0030.00316.35
7.4.280.0050.00316.25
7.4.270.0030.00316.36
7.4.260.0070.00016.43
7.4.250.0070.00016.39
7.4.240.0030.00316.30
7.4.230.0000.00716.20
7.4.220.0130.01016.31
7.4.210.0040.01216.47
7.4.200.0000.00716.17
7.4.160.0140.00516.35
7.4.150.0120.00617.40
7.4.140.0100.01117.86
7.4.130.0030.01616.39
7.4.120.0130.00916.37
7.4.110.0120.00616.34
7.4.100.0070.01016.20
7.4.90.0120.00616.44
7.4.80.0090.01219.39
7.4.70.0070.00916.17
7.4.60.0080.00816.41
7.4.50.0070.01016.44
7.4.40.0080.00816.25
7.4.30.0120.00616.20
7.4.00.0060.01214.75
7.3.330.0030.00312.80
7.3.320.0030.00312.85
7.3.310.0030.00316.19
7.3.300.0040.00416.14
7.3.290.0030.00316.14
7.3.280.0080.00816.10
7.3.270.0130.01017.40
7.3.260.0110.01016.34
7.3.250.0150.00516.33
7.3.240.0070.01016.34
7.3.230.0140.00916.39
7.3.210.0100.00716.23
7.3.200.0110.00716.43
7.3.190.0100.00716.32
7.3.180.0040.01116.21
7.3.170.0140.00616.14
7.3.160.0080.00816.32
7.2.330.0100.00616.32
7.2.320.0120.00616.47
7.2.310.0140.00316.23
7.2.300.0030.01316.57
7.2.290.0100.00716.30
7.2.60.0040.00816.86
7.1.200.0070.00715.27
7.1.70.0100.01316.94
7.1.60.0000.01116.87
7.1.50.0200.00734.45
7.1.40.0130.01734.07
7.1.30.0200.01034.22
7.1.20.0130.02334.52
7.1.10.0000.01716.40
7.1.00.0500.00716.45
7.0.200.0030.01416.63
7.0.190.0400.00714.84
7.0.180.0030.01315.96
7.0.170.0100.00715.97
7.0.160.0400.01014.21
7.0.150.0300.01315.94
7.0.140.0030.01016.00
7.0.130.0100.00716.33
7.0.120.0070.00716.19
7.0.110.0030.01316.03
7.0.100.0330.01314.21
7.0.90.0100.00716.20
7.0.80.0000.01715.98
7.0.70.0030.01016.01
7.0.60.0330.01314.05
7.0.50.0030.00715.89
7.0.40.0000.01716.18
7.0.30.0430.01316.28
7.0.20.0600.00316.18
7.0.10.0030.01316.19
7.0.00.0030.01016.35

preferences:
38.86 ms | 400 KiB | 5 Q