3v4l.org

run code in 300+ PHP versions simultaneously
<?php class Foo { public $bar = 1; private $baz = 2; } var_dump(json_encode(new 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)
8.3.60.0120.00318.11
8.3.50.0030.01018.17
8.3.40.0070.00720.08
8.3.30.0040.01118.54
8.3.20.0080.00024.18
8.3.10.0000.00724.66
8.3.00.0040.00426.16
8.2.180.0100.01025.92
8.2.170.0060.00918.86
8.2.160.0060.00922.96
8.2.150.0040.00425.66
8.2.140.0040.00424.66
8.2.130.0000.00726.16
8.2.120.0040.00426.16
8.2.110.0090.00019.17
8.2.100.0080.00517.78
8.2.90.0000.00917.63
8.2.80.0000.00818.64
8.2.70.0040.00417.50
8.2.60.0080.00017.50
8.2.50.0040.00417.55
8.2.40.0000.00817.62
8.2.30.0040.00417.59
8.2.20.0040.00418.05
8.2.10.0090.00018.71
8.2.00.0040.00418.99
8.1.280.0060.00825.92
8.1.270.0040.00423.99
8.1.260.0040.00426.35
8.1.250.0020.00528.09
8.1.240.0090.01322.80
8.1.230.0070.00420.89
8.1.220.0000.00817.74
8.1.210.0050.00318.77
8.1.200.0050.00517.23
8.1.190.0050.00316.96
8.1.180.0000.00818.10
8.1.170.0070.00017.62
8.1.160.0030.00319.02
8.1.150.0080.00018.53
8.1.140.0040.00417.39
8.1.130.0070.00018.77
8.1.120.0040.00417.23
8.1.110.0000.00717.29
8.1.100.0030.00317.26
8.1.90.0030.00317.29
8.1.80.0030.00717.27
8.1.70.0030.00317.35
8.1.60.0040.00417.36
8.1.50.0000.00817.41
8.1.40.0000.00817.39
8.1.30.0050.00317.51
8.1.20.0040.00417.52
8.1.10.0000.00817.43
8.1.00.0030.00617.28
8.0.300.0000.00718.77
8.0.290.0030.00616.75
8.0.280.0000.00717.96
8.0.270.0040.00416.76
8.0.260.0030.00318.43
8.0.250.0030.00316.76
8.0.240.0030.00316.80
8.0.230.0030.00316.85
8.0.220.0070.00016.74
8.0.210.0030.00316.68
8.0.200.0040.00416.89
8.0.190.0030.00516.67
8.0.180.0000.00816.81
8.0.170.0030.00516.77
8.0.160.0040.00716.72
8.0.150.0040.00416.73
8.0.140.0030.00516.65
8.0.130.0030.00313.09
8.0.120.0060.00316.63
8.0.110.0000.00716.81
8.0.100.0000.00716.72
8.0.90.0030.00316.73
8.0.80.0040.00416.64
8.0.70.0040.00416.82
8.0.60.0090.00016.71
8.0.50.0040.00416.64
8.0.30.0080.00016.72
8.0.20.0030.00316.73
8.0.10.0000.00716.86
8.0.00.0040.00416.86
7.4.330.0060.00015.55
7.4.320.0050.00216.46
7.4.300.0030.00316.48
7.4.290.0000.00716.43
7.4.280.0000.00716.46
7.4.270.0040.00416.53
7.4.260.0000.00713.15
7.4.250.0070.00016.32
7.4.240.0030.00316.45
7.4.230.0000.00716.36
7.4.220.0000.00716.27
7.4.210.0000.00616.45
7.4.200.0000.00716.50
7.4.190.0020.00516.36
7.4.180.0000.00716.34
7.4.160.0050.00216.44
7.4.150.0000.00716.45
7.4.140.0040.00416.43
7.4.130.0050.00216.36
7.4.120.0030.00316.46
7.4.110.0000.00616.16
7.4.100.0000.00616.32
7.4.90.0020.00516.44
7.4.80.0060.00016.19
7.4.70.0000.00816.04
7.4.60.0000.00716.30
7.4.50.0020.00516.29
7.4.40.0040.00415.93
7.4.30.0030.00616.39
7.4.20.0000.00816.25
7.4.10.0080.00016.09
7.4.00.0000.00616.08
7.3.330.0070.00016.18
7.3.320.0000.00513.18
7.3.310.0030.00316.08
7.3.300.0000.00616.18
7.3.290.0060.00016.04
7.3.280.0000.00616.12
7.3.270.0000.00616.11
7.3.260.0030.00316.03
7.3.250.0030.00316.18
7.3.240.0000.00616.12
7.3.230.0040.00416.16
7.3.220.0030.00516.02
7.3.210.0040.00416.02
7.3.200.0030.00315.98
7.3.190.0070.00016.06
7.3.180.0000.00716.21
7.3.170.0060.00016.10
7.3.160.0000.00716.02
7.3.150.0000.00615.97
7.3.140.0060.00016.07
7.3.130.0060.00016.16
7.3.120.0060.00016.11
7.3.110.0030.00315.90
7.3.100.0030.00315.91
7.3.90.0000.00616.32
7.3.80.0000.00715.99
7.3.70.0060.00016.13
7.3.60.0050.00216.14
7.3.50.0030.00316.19
7.3.40.0030.00316.14
7.3.30.0060.00016.13
7.3.20.0070.00018.03
7.3.10.0030.00318.02
7.3.00.0000.00718.00

preferences:
91.31 ms | 400 KiB | 5 Q