3v4l.org

run code in 300+ PHP versions simultaneously
<?php class Test { protected $attr = null; } $test = new Test(); $test2 = base64_encode(serialize($test)); var_dump((bool) '1');

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)
8.3.60.0070.01418.38
8.3.50.0090.00922.04
8.3.40.0150.00618.71
8.3.30.0190.00018.59
8.3.20.0110.00418.74
8.3.10.0080.00021.02
8.3.00.0040.00423.61
8.2.180.0140.00316.50
8.2.170.0080.00622.96
8.2.160.0070.00720.35
8.2.150.0070.00724.18
8.2.140.0040.00424.66
8.2.130.0040.00426.16
8.2.120.0060.00319.77
8.2.110.0030.00720.35
8.2.100.0040.00817.66
8.2.90.0090.00019.23
8.2.80.0050.00217.97
8.2.70.0030.00617.63
8.2.60.0040.00417.68
8.2.50.0040.00418.07
8.2.40.0000.00917.97
8.2.30.0070.00021.22
8.2.20.0000.00717.55
8.2.10.0000.00817.59
8.2.00.0080.00317.54
8.1.280.0110.00425.92
8.1.270.0040.00423.99
8.1.260.0040.00426.35
8.1.250.0050.00528.09
8.1.240.0080.00322.46
8.1.230.0060.00620.88
8.1.220.0030.00618.77
8.1.210.0000.00818.86
8.1.200.0060.00317.36
8.1.190.0080.00017.29
8.1.180.0040.00418.10
8.1.170.0000.00818.50
8.1.160.0000.00818.82
8.1.150.0080.00018.45
8.1.140.0000.00717.38
8.1.130.0000.00717.76
8.1.120.0030.00317.27
8.1.110.0000.00717.34
8.1.100.0040.00317.27
8.1.90.0050.00217.36
8.1.80.0040.00417.29
8.1.70.0030.00317.36
8.1.60.0040.00417.50
8.1.50.0050.00217.31
8.1.40.0050.00517.44
8.1.30.0030.00517.55
8.1.20.0090.00017.48
8.1.10.0070.00017.54
8.1.00.0020.00517.29
8.0.300.0030.00619.85
8.0.290.0040.00417.05
8.0.280.0030.00318.30
8.0.270.0030.00317.17
8.0.260.0000.00716.68
8.0.250.0000.00716.96
8.0.240.0000.00716.91
8.0.230.0000.00716.83
8.0.220.0050.00316.77
8.0.210.0030.00316.76
8.0.200.0050.00316.95
8.0.190.0050.00216.97
8.0.180.0040.00416.91
8.0.170.0030.00616.95
8.0.160.0030.00316.90
8.0.150.0000.00716.75
8.0.140.0000.00716.74
8.0.130.0070.00013.38
8.0.120.0050.00316.74
8.0.110.0030.00716.75
8.0.100.0030.00616.74
8.0.90.0070.00016.75
8.0.80.0160.00016.92
8.0.70.0000.00816.91
8.0.60.0080.00016.73
8.0.50.0000.00816.82
8.0.30.0080.01117.11
8.0.20.0160.00217.40
8.0.10.0040.00416.82
8.0.00.0120.00616.72
7.4.330.0000.00514.59
7.4.320.0060.00016.44
7.4.300.0030.00316.51
7.4.290.0000.00616.39
7.4.280.0040.00416.54
7.4.270.0000.00716.42
7.4.260.0000.00513.21
7.4.250.0050.00216.40
7.4.240.0040.00416.54
7.4.230.0070.00016.34
7.4.220.0060.01216.49
7.4.210.0120.00416.49
7.4.200.0040.00416.59
7.4.190.0000.00716.47
7.4.160.0030.01516.24
7.4.150.0030.01517.40
7.4.140.0120.00517.86
7.4.130.0060.01116.38
7.4.120.0090.00816.39
7.4.110.0060.01016.54
7.4.100.0090.01716.38
7.4.90.0160.00716.12
7.4.80.0060.01019.39
7.4.70.0030.01316.45
7.4.60.0060.01116.51
7.4.50.0030.00616.66
7.4.40.0060.00622.52
7.4.30.0070.01016.53
7.4.00.0000.01714.96
7.3.330.0000.00613.22
7.3.320.0000.00613.22
7.3.310.0000.00716.03
7.3.300.0000.00716.10
7.3.290.0110.00816.22
7.3.280.0030.01216.23
7.3.270.0100.00617.40
7.3.260.0080.01018.24
7.3.250.0080.00816.34
7.3.240.0080.00816.23
7.3.230.0100.00716.39
7.3.210.0090.01216.48
7.3.200.0050.01619.39
7.3.190.0140.00616.41
7.3.180.0030.01316.10
7.3.170.0090.01216.30
7.3.160.0100.00716.59
7.3.120.0060.00914.61
7.2.330.0100.00716.54
7.2.320.0040.01216.51
7.2.310.0090.00916.68
7.2.300.0120.00816.62
7.2.290.0140.00316.57
7.2.00.0060.00619.27
7.1.100.0030.01317.88
7.1.70.0000.01016.68
7.1.60.0070.01719.40
7.1.50.0100.01616.88
7.1.00.0100.05022.51
7.0.200.0030.00316.66
7.0.140.0070.07022.18
7.0.80.0530.07319.91
7.0.70.0400.04719.93
7.0.60.0470.04719.84
7.0.50.0500.04320.20
7.0.40.0070.05320.04
7.0.30.0130.05319.95
7.0.20.0130.07720.08
7.0.10.0170.08020.14
7.0.00.0130.07320.14
5.6.280.0030.07320.82
5.6.230.0130.08320.69
5.6.220.0100.03720.61
5.6.210.0200.03020.57
5.6.200.0030.05321.04
5.6.190.0070.09021.08
5.6.180.0100.04021.05
5.6.170.0030.08721.02
5.6.160.0200.05021.10
5.6.150.0000.06020.96
5.6.140.0070.08321.06
5.6.130.0130.08321.01
5.6.120.0030.08321.04
5.6.110.0070.06021.09
5.6.100.0130.08021.02
5.6.90.0030.05320.91
5.6.80.0070.07320.43
5.6.70.0130.04020.35
5.6.60.0030.06020.39
5.6.50.0030.05320.45
5.6.40.0070.04320.30
5.6.30.0070.08720.31
5.6.20.0070.05720.39
5.6.10.0070.05020.31
5.6.00.0000.06020.27
5.5.370.0000.09020.46
5.5.360.0100.03720.44
5.5.350.0000.04720.34
5.5.340.0070.07020.90
5.5.330.0070.08320.91
5.5.320.0170.06720.79
5.5.310.0170.06320.88
5.5.300.0030.06320.90
5.5.290.0030.05720.80
5.5.280.0000.06320.92
5.5.270.0100.08320.78
5.5.260.0070.08320.86
5.5.250.0070.08320.71
5.5.240.0170.04320.27
5.5.230.0070.08020.26
5.5.220.0070.08020.23
5.5.210.0070.07320.16
5.5.200.0030.05720.07
5.5.190.0030.04320.22
5.5.180.0270.05020.21
5.5.160.0030.08320.22
5.5.150.0130.07720.12
5.5.140.0100.04320.28
5.5.130.0030.07720.15
5.5.120.0100.05320.24
5.5.110.0130.08020.19
5.5.100.0070.08320.16
5.5.90.0030.08020.05
5.5.80.0100.06020.15
5.5.70.0100.07720.09
5.5.60.0070.08020.15
5.5.50.0070.05020.15
5.5.40.0030.06320.13
5.5.30.0070.05019.99
5.5.20.0070.08020.10
5.5.10.0130.07320.04
5.5.00.0170.06020.06
5.4.450.0070.06719.38
5.4.440.0070.07719.27
5.4.430.0030.08319.37
5.4.420.0030.08319.45
5.4.410.0130.06019.24
5.4.400.0100.05718.88
5.4.390.0070.07718.85
5.4.380.0070.07719.16
5.4.370.0030.08018.91
5.4.360.0200.04318.88
5.4.350.0100.05319.20
5.4.340.0070.04019.09
5.4.320.0100.06319.13
5.4.310.0100.04719.16
5.4.300.0000.04318.88
5.4.290.0000.04019.13
5.4.280.0100.03719.09
5.4.270.0030.07719.18
5.4.260.0170.07019.02
5.4.250.0130.05319.12
5.4.240.0070.04719.17
5.4.230.0100.04019.04
5.4.220.0070.04718.87
5.4.210.0100.07719.18
5.4.200.0000.05019.22
5.4.190.0100.04719.09
5.4.180.0100.06319.17
5.4.170.0070.08019.04
5.4.160.0100.06319.18
5.4.150.0030.07719.02
5.4.140.0100.04316.43
5.4.130.0030.04016.43
5.4.120.0070.07716.43
5.4.110.0030.05016.48
5.4.100.0130.06716.34
5.4.90.0030.04016.35
5.4.80.0070.07016.48
5.4.70.0030.04716.33
5.4.60.0100.04316.45
5.4.50.0070.05016.48
5.4.40.0200.02716.45
5.4.30.0030.07716.40
5.4.20.0100.06716.34
5.4.10.0000.04716.43
5.4.00.0070.04315.72
5.3.290.0000.05014.58
5.3.280.0030.07314.64
5.3.270.0100.07714.63
5.3.260.0070.05314.63
5.3.250.0100.06314.59
5.3.240.0070.07314.57
5.3.230.0130.06714.58
5.3.220.0030.07314.59
5.3.210.0070.05014.48
5.3.200.0100.07314.57
5.3.190.0030.06014.67
5.3.180.0000.04314.61
5.3.170.0070.05714.60
5.3.160.0070.04014.53
5.3.150.0130.03314.64
5.3.140.0030.05314.47
5.3.130.0030.06314.57
5.3.120.0070.04314.66
5.3.110.0070.04714.59
5.3.100.0000.07313.98
5.3.90.0030.07714.00
5.3.80.0130.05714.03
5.3.70.0070.07314.03
5.3.60.0130.06714.02
5.3.50.0030.05313.93
5.3.40.0070.06313.96
5.3.30.0070.07013.96
5.3.20.0070.06313.80
5.3.10.0170.06313.58
5.3.00.0070.07013.66
5.2.170.0030.06312.14
5.2.160.0000.06312.14
5.2.150.0070.05312.14
5.2.140.0070.04012.14
5.2.130.0100.03312.14
5.2.120.0030.03712.14
5.2.110.0030.06312.14
5.2.100.0030.04012.14
5.2.90.0130.04712.14
5.2.80.0100.04012.14
5.2.70.0130.02012.14
5.2.60.0030.06312.14
5.2.50.0030.06712.14
5.2.40.0100.05312.14
5.2.30.0000.07012.14
5.2.20.0000.06312.14
5.2.10.0070.03312.14
5.2.00.0000.03312.14
5.1.60.0000.03312.14
5.1.50.0070.02012.14
5.1.40.0030.05012.14
5.1.30.0100.05012.14
5.1.20.0030.05712.14
5.1.10.0070.03312.14
5.1.00.0030.03312.14
5.0.50.0030.04012.14
5.0.40.0000.03312.14
5.0.30.0100.05712.14
5.0.20.0070.04012.14
5.0.10.0000.04012.14
5.0.00.0030.04012.14
4.4.90.0000.04012.14
4.4.80.0000.03012.14
4.4.70.0030.02012.14
4.4.60.0000.02312.14
4.4.50.0070.01312.14
4.4.40.0070.05012.14
4.4.30.0030.02012.14
4.4.20.0070.03012.14
4.4.10.0030.03312.14
4.4.00.0030.05012.14
4.3.110.0030.03312.14
4.3.100.0000.03712.14
4.3.90.0030.03312.14
4.3.80.0000.03012.14
4.3.70.0000.02712.14
4.3.60.0030.03712.14
4.3.50.0030.02312.14
4.3.40.0000.05312.14
4.3.30.0030.03312.14
4.3.20.0000.04012.14
4.3.10.0000.03712.14
4.3.00.0000.02712.14

preferences:
39.65 ms | 401 KiB | 5 Q