3v4l.org

run code in 300+ PHP versions simultaneously
<?php class Foo { public function __debuginfo() { return ['foo' => 'bar']; } public function __sleep() { $this->herp = 'derp'; return ['herp']; } } 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)
8.3.60.0040.01116.50
8.3.50.0080.01222.09
8.3.40.0090.00918.53
8.3.30.0100.00318.92
8.3.20.0050.00320.13
8.3.10.0080.00021.72
8.3.00.0040.00419.13
8.2.180.0130.00718.38
8.2.170.0090.01222.96
8.2.160.0100.00320.44
8.2.150.0080.00024.18
8.2.140.0040.00424.66
8.2.130.0070.00026.16
8.2.120.0050.00319.24
8.2.110.0030.00621.04
8.2.100.0110.00017.50
8.2.90.0040.00419.11
8.2.80.0030.00517.97
8.2.70.0000.00817.50
8.2.60.0030.00617.80
8.2.50.0080.00318.07
8.2.40.0040.00419.88
8.2.30.0070.00017.95
8.2.20.0080.00017.68
8.2.10.0040.00417.96
8.2.00.0040.00417.60
8.1.280.0120.00925.92
8.1.270.0000.00818.74
8.1.260.0050.00226.35
8.1.250.0040.00428.09
8.1.240.0040.00421.89
8.1.230.0000.01117.42
8.1.220.0050.00317.74
8.1.210.0060.00618.77
8.1.200.0030.00617.10
8.1.190.0060.00317.10
8.1.180.0090.00018.10
8.1.170.0050.00320.23
8.1.160.0000.00821.90
8.1.150.0070.00018.75
8.1.140.0030.00617.33
8.1.130.0030.00317.64
8.1.120.0070.00017.24
8.1.110.0050.00317.32
8.1.100.0000.00717.32
8.1.90.0000.00717.33
8.1.80.0080.00017.38
8.1.70.0000.00717.37
8.1.60.0030.00617.45
8.1.50.0060.00317.33
8.1.40.0050.00317.42
8.1.30.0030.00617.54
8.1.20.0040.00417.46
8.1.10.0080.00017.27
8.1.00.0000.00717.42
8.0.300.0040.00418.77
8.0.290.0070.00016.63
8.0.280.0000.00718.46
8.0.270.0000.00817.12
8.0.260.0040.00417.11
8.0.250.0040.00416.87
8.0.240.0060.00316.94
8.0.230.0000.00716.72
8.0.220.0040.00416.68
8.0.210.0000.00716.78
8.0.200.0000.00616.79
8.0.190.0080.00316.77
8.0.180.0000.00716.81
8.0.170.0000.00816.73
8.0.160.0030.00516.85
8.0.150.0040.00416.59
8.0.140.0000.00716.70
8.0.130.0040.00413.19
8.0.120.0040.00416.67
8.0.110.0040.00416.81
8.0.100.0040.00416.74
8.0.90.0000.00816.64
8.0.80.0090.00616.77
8.0.70.0000.00716.79
8.0.60.0040.00416.76
8.0.50.0040.00416.55
8.0.30.0130.00916.77
8.0.20.0110.01217.40
8.0.10.0040.00416.77
8.0.00.0080.01216.66
7.4.330.0000.00515.03
7.4.320.0030.00516.43
7.4.300.0000.00616.28
7.4.290.0040.00416.29
7.4.280.0000.00816.47
7.4.270.0000.00716.47
7.4.260.0060.00016.38
7.4.250.0040.00416.45
7.4.240.0030.00316.50
7.4.230.0030.00316.57
7.4.220.0070.01116.43
7.4.210.0000.01316.34
7.4.200.0070.00016.41
7.4.160.0090.00616.40
7.4.150.0090.00917.40
7.4.140.0110.00817.86
7.4.130.0090.01216.50
7.4.120.0110.00616.44
7.4.110.0130.00916.26
7.4.100.0160.00616.30
7.4.90.0210.00016.36
7.4.80.0110.01419.39
7.4.70.0060.01016.42
7.4.60.0070.01416.31
7.4.50.0020.00216.35
7.4.40.0100.01016.55
7.4.30.0070.01616.23
7.4.00.0120.00314.64
7.3.330.0060.00012.94
7.3.320.0120.00013.00
7.3.310.0000.00716.20
7.3.300.0030.00316.22
7.3.290.0060.00816.13
7.3.280.0120.00416.16
7.3.270.0170.00717.40
7.3.260.0110.00816.32
7.3.250.0080.01016.33
7.3.240.0100.00716.10
7.3.230.0060.01116.39
7.3.210.0170.00616.40
7.3.200.0130.00519.39
7.3.190.0090.00616.32
7.3.180.0030.01216.38
7.3.170.0150.00916.27
7.3.160.0130.00316.43
7.3.10.0000.01116.25
7.3.00.0030.00716.55
7.2.330.0100.01016.36
7.2.320.0090.01216.58
7.2.310.0030.01416.48
7.2.300.0060.01016.30
7.2.290.0110.00616.26
7.2.130.0040.00716.66
7.2.120.0030.01016.79
7.2.110.0090.00316.82
7.2.100.0070.00316.42
7.2.90.0000.01416.86
7.2.80.0030.00716.67
7.2.70.0080.00816.66
7.2.60.0050.00516.69
7.2.50.0040.00716.60
7.2.40.0040.00816.90
7.2.30.0070.00716.89
7.2.20.0040.00816.74
7.2.10.0060.00616.76
7.2.00.0050.00717.77
7.1.250.0030.00615.84
7.1.200.0000.00815.46
7.1.100.0040.00717.80
7.1.70.0060.00916.75
7.1.60.0100.01319.50
7.1.50.0000.02316.96
7.1.00.0070.07322.54
7.0.200.0240.01014.94
7.0.140.0000.07722.09
7.0.90.0070.04319.93
7.0.80.0370.08319.96
7.0.70.0100.06719.92
7.0.60.0070.08020.04
7.0.50.0630.07020.24
7.0.40.0070.07720.10
7.0.30.0030.06020.10
7.0.20.0000.08720.18
7.0.10.0070.06720.09
7.0.00.0100.07720.10
5.6.280.0030.07320.91
5.6.240.0070.04320.58
5.6.230.0070.05320.75
5.6.220.0030.08320.66
5.6.210.0170.08020.75
5.6.200.0170.05721.04
5.6.190.0070.05021.14
5.6.180.0200.03321.02
5.6.170.0100.05021.04
5.6.160.0000.05721.12
5.6.150.0070.05020.93
5.6.140.0070.04021.03
5.6.130.0000.07021.11
5.6.120.0130.07321.06
5.6.110.0070.07721.16
5.6.100.0030.08721.16
5.6.90.0070.08321.00
5.6.80.0130.07020.39
5.6.70.0070.04720.41
5.6.60.0030.04720.32
5.6.50.0070.08020.42
5.6.40.0170.03320.32
5.6.30.0030.08320.46
5.6.20.0070.07720.48
5.6.10.0100.04020.40
5.6.00.0100.04020.41
5.5.380.0130.07720.35
5.5.370.0070.05320.32
5.5.360.0100.06020.41
5.5.350.0070.04720.34
5.5.340.0100.04320.80
5.5.330.0100.07320.90
5.5.320.0200.03720.73
5.5.310.0100.05020.82
5.5.300.0070.07320.87
5.5.290.0070.05720.83
5.5.280.0070.08720.84
5.5.270.0130.04020.91
5.5.260.0030.07720.82
5.5.250.0100.06020.57
5.5.240.0030.04720.28
5.5.230.0030.04720.30
5.5.220.0070.08020.26
5.5.210.0100.07320.14
5.5.200.0030.07320.21
5.5.190.0030.07720.20
5.5.180.0070.05320.21
5.5.160.0170.05320.21
5.5.150.0200.07320.10
5.5.140.0170.04020.10
5.5.130.0170.04320.28
5.5.120.0130.06020.11
5.5.110.0070.07720.21
5.5.100.0130.07719.96
5.5.90.0100.07720.15
5.5.80.0070.07320.09
5.5.70.0200.06320.16
5.5.60.0100.04720.05
5.5.50.0070.07720.09
5.5.40.0100.04020.08
5.5.30.0030.04020.09
5.5.20.0030.04320.03
5.5.10.0030.04020.03
5.5.00.0100.04019.97
5.4.450.0000.05319.19
5.4.440.0030.04719.37
5.4.430.0070.06319.17
5.4.420.0100.08019.46
5.4.410.0030.08019.22
5.4.400.0030.07719.05
5.4.390.0100.06319.12
5.4.380.0070.04318.92
5.4.370.0070.07019.03
5.4.360.0030.04319.16
5.4.350.0100.06019.03
5.4.340.0100.08719.04
5.4.320.0100.06319.23
5.4.310.0100.05318.95
5.4.300.0070.04019.03
5.4.290.0170.07018.94
5.4.280.0130.07318.84
5.4.270.0170.06718.94
5.4.260.0070.07719.17
5.4.250.0170.08018.87
5.4.240.0130.06719.07
5.4.230.0100.04019.02
5.4.220.0030.06019.07
5.4.210.0170.06319.23
5.4.200.0030.04018.91
5.4.190.0130.03019.11
5.4.180.0130.03719.11
5.4.170.0070.03719.17
5.4.160.0000.04319.18
5.4.150.0070.03718.92
5.4.140.0070.03316.29
5.4.130.0030.03716.29
5.4.120.0100.03016.36
5.4.110.0030.03716.50
5.4.100.0030.03716.35
5.4.90.0030.03316.46
5.4.80.0070.04016.45
5.4.70.0070.03316.31
5.4.60.0000.04016.40
5.4.50.0030.03716.46
5.4.40.0000.03316.46
5.4.30.0030.03716.33
5.4.20.0100.02716.39
5.4.10.0030.03016.33
5.4.00.0000.03315.64

preferences:
60.89 ms | 401 KiB | 5 Q