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((int) true);

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)
8.3.40.0070.00718.67
8.3.30.0090.00618.59
8.3.20.0040.00418.51
8.3.10.0040.00420.96
8.3.00.0000.00823.54
8.2.170.0090.00622.96
8.2.160.0130.00720.52
8.2.150.0000.00824.18
8.2.140.0080.00024.66
8.2.130.0040.00426.16
8.2.120.0050.00319.44
8.2.110.0070.00320.52
8.2.100.0110.00017.72
8.2.90.0040.00419.09
8.2.80.0030.00617.97
8.2.70.0050.00317.63
8.2.60.0000.00817.93
8.2.50.0000.00818.07
8.2.40.0040.00418.22
8.2.30.0050.00219.47
8.2.20.0070.00017.63
8.2.10.0000.00717.70
8.2.00.0060.00617.66
8.1.270.0040.00423.99
8.1.260.0130.00626.35
8.1.250.0050.00528.09
8.1.240.0060.00322.29
8.1.230.0040.00920.86
8.1.220.0040.00418.77
8.1.210.0000.00918.91
8.1.200.0060.00317.23
8.1.190.0050.00317.51
8.1.180.0030.00518.10
8.1.170.0000.00918.59
8.1.160.0000.00718.73
8.1.150.0070.00018.44
8.1.140.0040.00417.42
8.1.130.0030.00317.80
8.1.120.0030.00617.26
8.1.110.0070.00017.45
8.1.100.0020.00517.35
8.1.90.0000.00817.30
8.1.80.0000.00817.39
8.1.70.0030.00317.24
8.1.60.0030.00617.35
8.1.50.0060.00317.32
8.1.40.0040.00417.42
8.1.30.0030.00517.58
8.1.20.0040.00417.62
8.1.10.0050.00217.55
8.1.00.0040.00417.48
8.0.300.0000.00719.88
8.0.290.0070.00017.04
8.0.280.0040.00418.28
8.0.270.0070.00017.18
8.0.260.0000.00816.84
8.0.250.0000.00716.92
8.0.240.0100.00016.91
8.0.230.0030.00316.90
8.0.220.0030.00316.92
8.0.210.0070.00016.88
8.0.200.0030.00316.94
8.0.190.0060.00316.95
8.0.180.0040.00416.80
8.0.170.0030.00416.86
8.0.160.0080.00016.90
8.0.150.0070.00016.73
8.0.140.0050.00316.86
8.0.130.0050.00013.19
8.0.120.0000.00716.85
8.0.110.0000.00716.67
8.0.100.0040.00416.77
8.0.90.0040.00416.75
8.0.80.0030.01416.77
8.0.70.0040.00416.76
8.0.60.0040.00416.88
8.0.50.0030.00316.80
8.0.30.0070.01117.03
8.0.20.0110.01017.40
8.0.10.0000.01017.04
8.0.00.0110.00816.69
7.4.330.0030.00314.64
7.4.320.0030.00316.51
7.4.300.0030.00316.49
7.4.290.0070.00016.47
7.4.280.0040.00416.39
7.4.270.0000.00716.54
7.4.260.0000.00513.20
7.4.250.0000.00716.41
7.4.240.0000.00716.54
7.4.230.0000.00716.36
7.4.220.0060.01216.38
7.4.210.0060.00916.45
7.4.200.0070.00016.18
7.4.190.0040.00416.39
7.4.160.0150.00816.31
7.4.150.0100.01417.40
7.4.140.0110.00617.86
7.4.130.0120.00516.48
7.4.120.0110.00616.42
7.4.110.0100.00716.38
7.4.100.0180.00616.51
7.4.90.0220.00916.30
7.4.80.0120.00919.39
7.4.70.0070.01016.42
7.4.60.0090.00616.61
7.4.50.0000.00916.36
7.4.40.0040.00822.52
7.4.30.0100.00716.47
7.4.00.0090.00614.71
7.3.330.0000.00513.04
7.3.320.0000.00513.22
7.3.310.0070.00016.32
7.3.300.0040.00416.23
7.3.290.0110.00316.27
7.3.280.0070.00716.24
7.3.270.0130.00617.40
7.3.260.0120.00818.24
7.3.250.0090.01016.20
7.3.240.0100.00716.22
7.3.230.0100.00716.39
7.3.210.0140.00716.18
7.3.200.0030.01419.39
7.3.190.0170.00016.31
7.3.180.0120.00916.49
7.3.170.0060.01016.31
7.3.160.0090.00616.36
7.3.120.0110.00414.80
7.2.330.0070.01016.61
7.2.320.0090.01216.22
7.2.310.0000.01916.58
7.2.300.0100.00716.40
7.2.290.0090.00916.46
7.2.00.0000.01219.30
7.1.200.0060.00615.85
7.1.100.0570.01516.30
7.1.70.0030.00616.88
7.1.60.0120.01219.40
7.1.50.0070.01716.82
7.1.00.0070.07022.37
7.0.200.0000.00916.82
7.0.140.0030.07322.02
7.0.100.0170.07020.01
7.0.90.0100.07319.96
7.0.80.0170.07720.02
7.0.70.0070.08319.85
7.0.60.0100.05019.98
7.0.50.0130.07720.16
7.0.40.0100.07320.14
7.0.30.0030.08020.13
7.0.20.0100.08320.07
7.0.10.0030.08720.16
7.0.00.0030.08720.07
5.6.280.0070.07020.90
5.6.250.0100.07320.75
5.6.240.0070.06320.75
5.6.230.0030.05020.53
5.6.220.0070.08320.50
5.6.210.0000.05020.49
5.6.200.0100.06721.10
5.6.190.0070.08321.10
5.6.180.0100.04721.09
5.6.170.0000.08721.14
5.6.160.0170.07321.06
5.6.150.0070.05321.04
5.6.140.0100.07321.10
5.6.130.0070.03720.99
5.6.120.0100.05321.01
5.6.110.0070.08321.09
5.6.100.0100.07721.04
5.6.90.0000.07720.91
5.6.80.0000.04720.49
5.6.70.0030.04720.45
5.6.60.0130.07020.30
5.6.50.0200.07020.39
5.6.40.0100.07720.46
5.6.30.0130.06320.38
5.6.20.0030.08720.30
5.6.10.0070.03320.29
5.6.00.0070.06720.35
5.5.380.0070.07320.38
5.5.370.0100.08320.36
5.5.360.0170.06720.48
5.5.350.0070.05320.40
5.5.340.0070.08320.93
5.5.330.0200.07320.91
5.5.320.0030.05320.92
5.5.310.0100.07720.85
5.5.300.0100.06320.75
5.5.290.0030.08720.88
5.5.280.0100.08720.72
5.5.270.0100.04020.88
5.5.260.0070.08320.85
5.5.250.0130.08320.72
5.5.240.0030.04320.25
5.5.230.0030.07320.23
5.5.220.0100.07320.23
5.5.210.0070.07720.13
5.5.200.0030.08320.27
5.5.190.0100.07720.27
5.5.180.0130.06320.12
5.5.160.0100.05720.13
5.5.150.0030.03720.14
5.5.140.0030.07319.95
5.5.130.0100.07320.14
5.5.120.0130.07320.23
5.5.110.0070.07720.14
5.5.100.0130.07020.10
5.5.90.0000.06320.15
5.5.80.0070.06720.14
5.5.70.0030.04020.14
5.5.60.0000.04720.04
5.5.50.0070.03719.93
5.5.40.0100.07720.09
5.5.30.0030.05320.04
5.5.20.0000.06720.04
5.5.10.0100.07320.00
5.5.00.0000.06319.96
5.4.450.0000.05019.38
5.4.440.0070.06719.45
5.4.430.0070.04319.18
5.4.420.0070.08019.27
5.4.410.0030.07019.24
5.4.400.0170.06019.04
5.4.390.0070.08019.09
5.4.380.0000.04319.03
5.4.370.0130.04719.04
5.4.360.0070.05019.05
5.4.350.0070.06319.04
5.4.340.0030.08318.90
5.4.320.0070.07318.88
5.4.310.0070.07719.04
5.4.300.0070.04719.09
5.4.290.0030.07019.18
5.4.280.0030.04319.12
5.4.270.0070.05019.13
5.4.260.0200.03019.03
5.4.250.0030.06019.08
5.4.240.0100.07018.90
5.4.230.0100.06319.21
5.4.220.0070.07018.95
5.4.210.0030.04319.13
5.4.200.0100.07718.87
5.4.190.0130.07719.22
5.4.180.0070.04719.15
5.4.170.0070.08319.13
5.4.160.0000.08718.84
5.4.150.0030.05718.86
5.4.140.0100.06716.50
5.4.130.0130.06016.41
5.4.120.0100.06016.49
5.4.110.0030.04316.47
5.4.100.0070.07316.32
5.4.90.0100.07016.39
5.4.80.0030.06016.49
5.4.70.0130.04016.41
5.4.60.0030.07016.39
5.4.50.0130.06016.48
5.4.40.0130.06716.37
5.4.30.0070.06716.40
5.4.20.0070.07316.35
5.4.10.0030.08016.46
5.4.00.0100.04015.87
5.3.290.0070.06014.61
5.3.280.0070.06714.64
5.3.270.0070.06714.70
5.3.260.0100.07014.71
5.3.250.0130.06314.65
5.3.240.0100.04314.68
5.3.230.0070.07314.65
5.3.220.0030.08014.57
5.3.210.0130.06314.62
5.3.200.0000.07314.69
5.3.190.0130.06714.62
5.3.180.0130.04714.50
5.3.170.0100.07314.67
5.3.160.0100.06314.57
5.3.150.0100.04314.53
5.3.140.0100.06314.49
5.3.130.0100.07014.54
5.3.120.0130.02714.64
5.3.110.0070.07714.49
5.3.100.0030.06314.02
5.3.90.0030.07714.10
5.3.80.0070.07314.04
5.3.70.0070.07014.07
5.3.60.0130.06313.97
5.3.50.0100.06314.00
5.3.40.0100.07314.08
5.3.30.0070.04713.95
5.3.20.0000.06313.74
5.3.10.0070.05313.74
5.3.00.0070.04713.69
5.2.170.0070.05011.28
5.2.160.0100.06011.04
5.2.150.0030.06311.14
5.2.140.0030.06011.04
5.2.130.0070.05711.20
5.2.120.0030.06311.00
5.2.110.0130.04311.08
5.2.100.0070.06311.14
5.2.90.0030.06311.16
5.2.80.0070.06311.15
5.2.70.0000.06311.15
5.2.60.0000.05711.10
5.2.50.0070.05311.08
5.2.40.0000.05011.02
5.2.30.0100.06011.07
5.2.20.0070.05311.00
5.2.10.0030.06010.84
5.2.00.0100.04310.73
5.1.60.0030.05310.06
5.1.50.0070.0509.85
5.1.40.0100.05010.03
5.1.30.0070.05710.42
5.1.20.0100.05310.41
5.1.10.0030.04010.02
5.1.00.0070.05010.16
5.0.50.0070.0408.60
5.0.40.0000.0478.47
5.0.30.0030.0478.30
5.0.20.0100.0378.30
5.0.10.0100.0308.25
5.0.00.0030.0638.26
4.4.90.0000.0278.13
4.4.80.0000.0378.13
4.4.70.0000.0208.13
4.4.60.0030.0338.13
4.4.50.0030.0338.13
4.4.40.0000.0538.13
4.4.30.0000.0378.13
4.4.20.0030.0308.13
4.4.10.0030.0178.13
4.4.00.0000.0638.13
4.3.110.0030.0338.13
4.3.100.0030.0278.13
4.3.90.0070.0278.13
4.3.80.0030.0538.13
4.3.70.0000.0378.13
4.3.60.0000.0378.13
4.3.50.0070.0338.13
4.3.40.0000.0508.13
4.3.30.0000.0238.13
4.3.20.0070.0308.13
4.3.10.0000.0238.13
4.3.00.0000.0338.13

preferences:
47.15 ms | 400 KiB | 5 Q