3v4l.org

run code in 300+ PHP versions simultaneously
<?php class Node { public $foo; } $node = new Node; $node->foo = $node; echo serialize($node);

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)
8.3.60.0070.01116.63
8.3.50.0160.00616.22
8.3.40.0070.00718.75
8.3.30.0100.00718.89
8.3.20.0000.00818.48
8.3.10.0080.00020.57
8.3.00.0000.00819.38
8.2.180.0100.01016.50
8.2.170.0120.00322.96
8.2.160.0140.00322.08
8.2.150.0160.00324.18
8.2.140.0060.00324.66
8.2.130.0080.00026.16
8.2.120.0050.00319.89
8.2.110.0090.00020.89
8.2.100.0070.00417.57
8.2.90.0040.00419.34
8.2.80.0000.00719.46
8.2.70.0080.00017.49
8.2.60.0040.00417.93
8.2.50.0030.00518.07
8.2.40.0000.00818.09
8.2.30.0000.00718.17
8.2.20.0040.00417.70
8.2.10.0040.00417.53
8.2.00.0050.00317.59
8.1.280.0000.01425.92
8.1.270.0090.00024.66
8.1.260.0050.00326.35
8.1.250.0150.00028.09
8.1.240.0060.00322.59
8.1.230.0080.00421.00
8.1.220.0040.00417.74
8.1.210.0080.00318.88
8.1.200.0060.00317.35
8.1.190.0090.00217.18
8.1.180.0040.00418.10
8.1.170.0050.00318.82
8.1.160.0000.00818.87
8.1.150.0040.00418.45
8.1.140.0060.00317.38
8.1.130.0030.00317.82
8.1.120.0040.00417.36
8.1.110.0040.00417.29
8.1.100.0000.00817.41
8.1.90.0070.00017.40
8.1.80.0050.00317.30
8.1.70.0030.00317.27
8.1.60.0090.00017.55
8.1.50.0000.00817.41
8.1.40.0000.00717.48
8.1.30.0050.00217.48
8.1.20.0030.00617.61
8.1.10.0000.00717.44
8.1.00.0000.00717.50
8.0.300.0040.00420.03
8.0.290.0080.00016.63
8.0.280.0000.00818.44
8.0.270.0030.00717.27
8.0.260.0070.00016.70
8.0.250.0000.00716.91
8.0.240.0030.00616.95
8.0.230.0030.00316.82
8.0.220.0000.00716.85
8.0.210.0040.00316.71
8.0.200.0030.00316.88
8.0.190.0000.00716.93
8.0.180.0000.00816.82
8.0.170.0000.00816.72
8.0.160.0000.00716.91
8.0.150.0060.00316.74
8.0.140.0100.00016.79
8.0.130.0000.00613.21
8.0.120.0050.00316.79
8.0.110.0000.00816.63
8.0.100.0000.00716.73
8.0.90.0000.00716.88
8.0.80.0130.00316.80
8.0.70.0000.00716.72
8.0.60.0050.00216.61
8.0.50.0000.00716.64
8.0.30.0140.00817.04
8.0.20.0060.01217.12
8.0.10.0040.00416.82
8.0.00.0090.01616.85
7.4.330.0000.00612.92
7.4.320.0050.00216.58
7.4.300.0060.00016.36
7.4.290.0000.00716.50
7.4.280.0030.00616.54
7.4.270.0000.00716.59
7.4.260.0030.00313.20
7.4.250.0040.00416.53
7.4.240.0030.00316.46
7.4.230.0050.00316.64
7.4.220.0160.00316.50
7.4.210.0100.00516.45
7.4.200.0040.00416.53
7.4.190.0030.00316.57
7.4.160.0000.01616.37
7.4.150.0170.00716.52
7.4.140.0070.01416.60
7.4.130.0110.00716.40
7.4.120.0120.00516.42
7.4.110.0100.01016.40
7.4.100.0070.01316.33
7.4.90.0100.00716.42
7.4.80.0070.01416.25
7.4.70.0080.00816.32
7.4.60.0030.01416.48
7.4.50.0000.00916.32
7.4.40.0120.00016.13
7.4.30.0170.00916.41
7.4.00.0080.00814.91
7.3.330.0000.00713.11
7.3.320.0080.00013.06
7.3.310.0070.00016.23
7.3.300.0070.00016.28
7.3.290.0070.00716.29
7.3.280.0080.00616.24
7.3.270.0060.01216.43
7.3.260.0130.00516.47
7.3.250.0050.01416.29
7.3.240.0060.01016.43
7.3.230.0030.01316.34
7.3.210.0130.00316.46
7.3.200.0060.01519.39
7.3.190.0180.00016.52
7.3.180.0100.00616.19
7.3.170.0060.01016.24
7.3.160.0090.00616.24
7.3.120.0050.01014.72
7.3.110.0110.00314.68
7.3.100.0070.01114.98
7.3.90.0090.00314.73
7.3.80.0060.00914.70
7.3.70.0150.00014.40
7.3.60.0060.01214.43
7.3.50.0040.00714.34
7.3.40.0070.00714.66
7.3.30.0100.00314.64
7.3.20.0030.00616.77
7.3.10.0040.00416.55
7.3.00.0090.00316.52
7.2.330.0100.00716.45
7.2.320.0060.01616.65
7.2.310.0200.00416.45
7.2.300.0160.00016.79
7.2.290.0100.00916.73
7.2.250.0060.01314.82
7.2.240.0120.00915.09
7.2.230.0060.00914.75
7.2.220.0030.00915.02
7.2.210.0030.01214.88
7.2.200.0060.00915.09
7.2.190.0090.00614.79
7.2.180.0070.00715.12
7.2.170.0090.00614.91
7.2.00.0070.01019.51
7.1.330.0120.00315.72
7.1.320.0090.00915.68
7.1.310.0040.00715.59
7.1.300.0060.00315.74
7.1.290.0060.00615.55
7.1.280.0080.00615.82
7.1.270.0090.00015.66
7.1.260.0060.00315.97
7.1.100.0060.01017.90
7.1.70.0040.00417.27
7.1.60.0190.00319.40
7.1.50.0100.01416.78
7.1.00.0030.07722.30
7.0.200.0040.00416.71
7.0.140.0030.07322.08
7.0.120.0030.05322.19
7.0.60.0300.07019.84
7.0.50.0000.06017.96
7.0.40.0070.04320.11
7.0.30.0270.03720.06
7.0.20.0200.05320.16
7.0.10.0070.08720.15
7.0.00.0100.08320.20
5.6.280.0070.07020.89
5.6.210.0000.04320.72
5.6.200.0100.06718.27
5.6.190.0070.06720.48
5.6.180.0330.07320.52
5.6.170.0100.04720.50
5.6.160.0070.04020.48
5.6.150.0000.08018.18
5.6.140.0030.08718.11
5.6.130.0130.08018.28
5.6.120.0030.04321.02
5.6.110.0030.07021.00
5.6.100.0170.08020.95
5.6.90.0030.07720.97
5.6.80.0200.06720.39
5.5.350.0130.03020.43
5.5.340.0200.06717.97
5.5.330.0100.08720.59
5.5.320.0530.07320.27
5.5.310.0330.06720.32
5.5.300.0000.04017.98
5.5.290.0030.08717.95
5.5.280.0030.04320.85
5.5.270.0100.08320.95
5.5.260.0100.08020.72
5.5.250.0030.04020.75
5.5.240.4170.03320.14
5.4.450.0030.07319.33
5.4.440.0070.04319.49
5.4.430.0100.05019.24
5.4.420.0170.03019.48
5.4.410.0030.04019.27
5.4.400.0100.07319.24
5.4.390.0070.06318.92
5.4.380.0130.05719.26
5.4.370.0200.03719.24
5.4.360.0130.07319.25
5.4.350.0130.03018.92
5.4.340.0000.04719.20
5.4.320.0030.03718.88
5.4.310.0100.03019.08
5.4.300.0030.03719.00
5.4.290.0000.04018.97
5.4.280.0030.04019.20
5.4.270.0070.07019.15
5.4.260.0070.03719.24
5.4.250.0000.04019.13
5.4.240.0070.03719.25
5.4.230.0030.03719.07
5.4.220.0000.04019.20
5.4.210.0030.03719.15
5.4.200.0070.03318.86
5.4.190.0070.03719.14
5.4.180.0070.03318.84
5.4.170.0030.04018.84
5.4.160.0070.04319.12
5.4.150.0030.03719.05
5.4.140.0000.03716.27
5.4.130.0070.03016.28
5.4.120.0000.03716.38
5.4.110.0070.03016.46
5.4.100.0000.03716.43
5.4.90.0070.03016.45
5.4.80.0030.03316.53
5.4.70.0030.03316.32
5.4.60.0000.03716.47
5.4.50.0070.03316.27
5.4.40.0070.07716.39
5.4.30.0000.05316.34
5.4.20.0200.05716.39
5.4.10.0100.05316.27
5.4.00.0030.05015.79
5.3.290.0130.05014.73
5.3.280.0000.04014.61
5.3.270.0030.03714.63
5.3.260.0070.03314.65
5.3.250.0030.03714.60
5.3.240.0030.04014.75
5.3.230.0030.03714.59
5.3.220.0030.03714.45
5.3.210.0200.04314.59
5.3.200.0070.03314.71
5.3.190.0030.03714.47
5.3.180.0000.04014.60
5.3.170.0100.03014.61
5.3.160.0030.04714.55
5.3.150.0070.04314.55
5.3.140.0070.08014.70
5.3.130.0130.07314.58
5.3.120.0030.04714.56
5.3.110.0000.08314.43
5.3.100.0070.06314.04
5.3.90.0130.06714.05
5.3.80.0030.03714.01
5.3.70.0070.03313.98
5.3.60.0070.07314.05
5.3.50.0070.06014.01
5.3.40.0100.03714.09
5.3.30.0000.04013.93
5.3.20.0000.04013.61
5.3.10.0130.04013.62
5.3.00.0030.07013.58
5.2.170.0030.05311.20
5.2.160.0030.04711.04
5.2.150.0030.06311.14
5.2.140.0000.03311.14
5.2.130.0030.02710.98
5.2.120.0000.03011.17
5.2.110.0030.06311.13
5.2.100.0100.03311.26
5.2.90.0070.06011.04
5.2.80.0030.04311.14
5.2.70.0070.04711.09
5.2.60.0070.03311.20
5.2.50.0030.05310.90
5.2.40.0030.05711.00
5.2.30.0070.03011.12
5.2.20.0000.03310.98
5.2.10.0030.05310.77
5.2.00.0070.05310.73
5.1.60.0100.02010.04
5.1.50.0070.0479.95
5.1.40.0070.0309.98
5.1.30.0030.04010.38
5.1.20.0030.02710.35
5.1.10.0030.05710.03
5.1.00.0070.05710.20
5.0.50.0030.0478.44
5.0.40.0030.0338.31
5.0.30.0000.0338.27
5.0.20.0000.0508.25
5.0.10.0000.0338.23
5.0.00.0030.0638.21
4.4.90.0070.0108.21
4.4.80.0030.0338.21
4.4.70.0030.0178.21
4.4.60.0000.0178.21
4.4.50.0070.0308.21
4.4.40.0000.0378.21
4.4.30.0030.0308.21
4.4.20.0000.0178.21
4.4.10.0000.0238.21
4.4.00.0030.0408.21
4.3.110.0030.0238.21
4.3.100.0000.0338.21
4.3.90.0070.0238.21
4.3.80.0100.0508.21
4.3.70.0000.0308.21
4.3.60.0000.0238.21
4.3.50.0070.0178.21
4.3.40.0030.0238.22
4.3.30.0000.0178.22
4.3.20.0000.0408.22
4.3.10.0000.0278.22
4.3.00.0000.0178.23

preferences:
46.91 ms | 401 KiB | 5 Q