3v4l.org

run code in 300+ PHP versions simultaneously
<?php $instance = new stdClass; $instance->f = $instance; var_dump(serialize([1, 2, 3, 5 => $instance, [$instance, $instance]]));

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)
8.3.60.0040.01118.55
8.3.50.0130.00622.80
8.3.40.0040.01118.71
8.3.30.0140.00018.96
8.3.20.0090.00020.16
8.3.10.0000.00821.86
8.3.00.0000.00917.68
8.2.180.0070.00716.38
8.2.170.0030.01222.96
8.2.160.0070.00720.32
8.2.150.0050.00324.18
8.2.140.0040.00424.66
8.2.130.0130.00626.16
8.2.120.0040.00421.03
8.2.110.0030.00622.10
8.2.100.0040.00818.03
8.2.90.0000.00819.13
8.2.80.0080.00017.97
8.2.70.0050.00317.63
8.2.60.0030.00517.93
8.2.50.0030.00518.07
8.2.40.0070.00018.22
8.2.30.0040.00418.06
8.2.20.0060.00317.81
8.2.10.0040.00418.18
8.2.00.0050.00217.76
8.1.280.0130.00725.92
8.1.270.0050.00323.92
8.1.260.0080.00026.35
8.1.250.0040.00428.09
8.1.240.0100.00022.19
8.1.230.0070.00419.08
8.1.220.0000.00817.79
8.1.210.0080.00018.77
8.1.200.0070.00317.35
8.1.190.0040.00417.22
8.1.180.0030.00618.10
8.1.170.0040.00418.64
8.1.160.0000.00721.99
8.1.150.0040.00418.95
8.1.140.0070.00017.44
8.1.130.0050.00217.77
8.1.120.0000.00717.44
8.1.110.0000.00717.43
8.1.100.0000.00717.46
8.1.90.0040.00417.49
8.1.80.0030.00317.37
8.1.70.0000.00717.38
8.1.60.0080.00017.61
8.1.50.0000.00817.42
8.1.40.0090.00017.49
8.1.30.0040.00417.61
8.1.20.0000.00817.57
8.1.10.0020.00517.59
8.1.00.0040.00417.37
8.0.300.0040.00418.77
8.0.290.0000.00716.75
8.0.280.0070.00018.36
8.0.270.0040.00417.30
8.0.260.0040.00417.11
8.0.250.0030.00316.95
8.0.240.0020.00517.02
8.0.230.0070.00016.92
8.0.220.0000.00816.92
8.0.210.0000.00716.95
8.0.200.0000.00716.94
8.0.190.0060.00316.96
8.0.180.0000.00716.88
8.0.170.0040.00416.98
8.0.160.0070.00316.91
8.0.150.0070.00016.90
8.0.140.0040.00416.86
8.0.130.0030.00313.31
8.0.120.0040.00416.84
8.0.110.0040.00416.79
8.0.100.0040.00416.76
8.0.90.0030.00316.85
8.0.80.0100.00716.88
8.0.70.0070.00017.01
8.0.60.0040.00416.83
8.0.50.0000.00716.84
8.0.30.0130.01017.08
8.0.20.0110.00617.40
8.0.10.0040.00416.98
8.0.00.0100.00816.95
7.4.330.0000.00515.03
7.4.320.0030.00316.61
7.4.300.0000.00616.61
7.4.290.0030.00316.55
7.4.280.0100.00016.50
7.4.270.0070.00016.52
7.4.260.0030.00316.45
7.4.250.0040.00416.38
7.4.240.0050.00216.60
7.4.230.0040.00416.35
7.4.220.0120.00616.70
7.4.210.0100.00716.43
7.4.200.0000.00716.34
7.4.160.0080.00816.54
7.4.150.0030.01417.40
7.4.140.0090.00917.86
7.4.130.0070.00916.48
7.4.120.0080.00816.53
7.4.110.0150.00616.61
7.4.100.0150.00316.48
7.4.90.0040.01416.53
7.4.80.0090.01219.39
7.4.70.0120.00416.52
7.4.60.0090.00816.40
7.4.50.0040.00416.34
7.4.40.0060.01216.54
7.4.30.0080.00816.43
7.4.00.0070.01015.00
7.3.330.0060.00013.18
7.3.320.0000.00513.13
7.3.310.0030.00316.17
7.3.300.0030.00416.41
7.3.290.0140.00016.33
7.3.280.0080.00716.31
7.3.270.0080.00817.40
7.3.260.0050.01116.28
7.3.250.0110.00816.50
7.3.240.0140.00716.60
7.3.230.0030.01516.54
7.3.210.0100.00716.35
7.3.200.0100.01319.39
7.3.190.0160.00616.22
7.3.180.0060.00916.23
7.3.170.0110.01016.36
7.3.160.0060.00916.31
7.3.10.0030.00616.53
7.3.00.0000.01416.83
7.2.330.0100.00716.51
7.2.320.0100.01316.65
7.2.310.0100.00616.72
7.2.300.0080.00816.74
7.2.290.0230.00016.79
7.2.130.0030.01116.64
7.2.120.0060.00916.91
7.2.110.0080.00317.03
7.2.100.0030.00716.87
7.2.90.0060.00916.89
7.2.80.0070.00316.98
7.2.70.0030.00916.83
7.2.60.0080.00216.79
7.2.50.0040.00817.03
7.2.40.0000.00916.99
7.2.30.0040.01117.11
7.2.20.0070.00717.09
7.2.10.0060.00316.63
7.2.00.0060.01016.72
7.1.250.0000.00816.01
7.1.200.0090.00315.86
7.1.70.0030.00616.95
7.1.60.0170.00719.40
7.1.50.0070.01816.92
7.1.00.0000.08022.45
7.0.200.0000.00816.72
7.0.140.0130.06322.12
7.0.60.0030.09320.06
7.0.50.0030.05017.88
7.0.40.0030.04319.96
7.0.30.0200.04720.30
7.0.20.0300.08020.02
7.0.10.0030.04320.16
7.0.00.0070.08720.08
5.6.210.0030.04020.69
5.6.200.0100.07018.12
5.6.190.0070.08320.62
5.6.180.0230.08020.50
5.6.170.0130.04720.41
5.6.160.0030.04020.48
5.6.150.0030.08718.22
5.6.140.0030.08318.22
5.6.130.0130.06318.11
5.6.120.0070.07020.96
5.6.110.0000.04720.98
5.6.100.0100.07721.00
5.6.90.0200.07020.95
5.6.80.0170.07720.40
5.5.350.0030.05020.41
5.5.340.0100.07318.02
5.5.330.0100.04020.21
5.5.320.0000.05720.32
5.5.310.0400.05020.18
5.5.300.0000.04318.00
5.5.290.0070.04017.91
5.5.280.0100.03320.93
5.5.270.0030.09020.87
5.5.260.0000.04720.87
5.5.250.0070.06720.77
5.5.240.0300.06020.33
5.4.450.0200.03319.48
5.4.440.0200.04319.57
5.4.430.0170.03719.44
5.4.420.0230.05019.16
5.4.410.0130.04719.35
5.4.400.0170.03719.16
5.4.390.0230.06719.11
5.4.380.0270.06018.84
5.4.370.0230.06019.11
5.4.360.0230.07018.79
5.4.350.0200.07019.03
5.4.340.0130.04319.11
5.4.320.0130.06319.01
5.4.310.0170.04018.71
5.4.300.0270.06719.15
5.4.290.0230.05318.79
5.4.280.0200.05019.20
5.4.270.0200.04719.01
5.4.260.0230.07319.15
5.4.250.0200.06318.97
5.4.240.0100.04319.02
5.4.230.0230.05718.96
5.4.220.0170.03718.82
5.4.210.0200.05718.99
5.4.200.0170.04319.05
5.4.190.0230.07019.09
5.4.180.0200.05719.01
5.4.170.0200.04019.10
5.4.160.0130.05719.13
5.4.150.0200.03718.99
5.4.140.0170.03716.44
5.4.130.0200.07016.37
5.4.120.0230.03016.15
5.4.110.0200.04316.39
5.4.100.0200.03316.34
5.4.90.0200.06016.28
5.4.80.0230.07316.37
5.4.70.0330.04016.46
5.4.60.0200.04316.45
5.4.50.0230.06716.31
5.4.40.0170.07016.41
5.4.30.0170.07716.36
5.4.20.0200.06016.46
5.4.10.0130.08016.47
5.4.00.0070.05715.80
5.3.290.0300.07014.52
5.3.280.0170.05314.54
5.3.270.0230.07014.70
5.3.260.0270.05714.45
5.3.250.0270.06714.44
5.3.240.0200.07014.70
5.3.230.0270.06714.55
5.3.220.0230.06714.66
5.3.210.0170.03714.47
5.3.200.0170.04714.43
5.3.190.0130.05714.43
5.3.180.0200.04714.52
5.3.170.0230.04314.66
5.3.160.0530.05314.42
5.3.150.0270.07014.42
5.3.140.0370.03714.39
5.3.130.0370.04014.49
5.3.120.0170.04014.42
5.3.110.0230.07714.38
5.3.100.0230.05314.05
5.3.90.0430.06313.89
5.3.80.0170.04013.82
5.3.70.0070.05013.87
5.3.60.0270.07013.88
5.3.50.0170.04313.89
5.3.40.0230.07013.79
5.3.30.0200.05313.84
5.3.20.0230.04313.64
5.3.10.0330.06013.75
5.3.00.0230.04013.43
5.2.170.0230.03711.20
5.2.160.0100.03310.99
5.2.150.0200.04011.00
5.2.140.0170.06311.03
5.2.130.0230.04011.11
5.2.120.0200.06010.96
5.2.110.0170.04711.04
5.2.100.0200.03011.04
5.2.90.0230.05311.03
5.2.80.0230.05310.93
5.2.70.0230.05711.11
5.2.60.0170.06010.90
5.2.50.0200.05710.87
5.2.40.0130.06010.85
5.2.30.0170.02710.81
5.2.20.0170.04310.85
5.2.10.0170.03310.83
5.2.00.0130.04710.61
5.1.60.0170.0439.96
5.1.50.0200.04710.07
5.1.40.0070.05010.14
5.1.30.0170.05010.25
5.1.20.0200.05010.25
5.1.10.0370.04710.11
5.1.00.0200.02710.14
5.0.50.0070.0478.42
5.0.40.0130.0378.43
5.0.30.0300.0438.09
5.0.20.0100.0338.43
5.0.10.0070.0278.05
5.0.00.0070.0338.15
4.4.90.0030.0277.86
4.4.80.0100.0177.86
4.4.70.0170.0207.86
4.4.60.0100.0307.86
4.4.50.0100.0177.86
4.4.40.0100.0537.86
4.4.30.0030.0177.86
4.4.20.0070.0277.86
4.4.10.0070.0137.86
4.4.00.0030.0277.86
4.3.110.0030.0177.86
4.3.100.0070.0137.86
4.3.90.0070.0177.86
4.3.80.0200.0277.86
4.3.70.0030.0207.86
4.3.60.0070.0177.86
4.3.50.0070.0207.86
4.3.40.0170.0477.86
4.3.30.0030.0237.86
4.3.20.0030.0137.86
4.3.10.0030.0137.86
4.3.00.0000.0177.86

preferences:
40.93 ms | 401 KiB | 5 Q