3v4l.org

run code in 300+ PHP versions simultaneously
<?php class obj implements Serializable { public function serialize() { return 123; } public function unserialize($data) { } } $obj = new obj; $ser = serialize($obj);

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)
8.3.70.0110.01116.75
8.3.60.0120.00316.63
8.3.50.0130.00622.03
8.3.40.0120.00318.71
8.3.30.0070.00719.07
8.3.20.0040.00420.29
8.3.10.0040.00423.46
8.3.00.0080.00019.38
8.2.180.0110.01118.24
8.2.170.0090.00622.96
8.2.160.0110.00420.39
8.2.150.0040.00424.18
8.2.140.0090.00024.66
8.2.130.0050.00326.16
8.2.120.0090.00022.25
8.2.110.0050.00522.28
8.2.100.0110.00018.03
8.2.90.0090.00019.13
8.2.80.0040.00417.97
8.2.70.0040.00417.50
8.2.60.0000.00917.93
8.2.50.0070.00318.07
8.2.40.0030.00619.70
8.2.30.0030.00519.92
8.2.20.0040.00417.75
8.2.10.0000.00818.08
8.2.00.0080.00017.86
8.1.280.0180.00025.92
8.1.270.0000.00823.92
8.1.260.0060.00326.35
8.1.250.0080.00028.09
8.1.240.0050.00523.96
8.1.230.0040.00719.04
8.1.220.0040.00417.74
8.1.210.0040.00418.77
8.1.200.0000.00917.35
8.1.190.0000.00817.13
8.1.180.0040.00418.10
8.1.170.0030.00518.59
8.1.160.0040.00421.97
8.1.150.0070.00018.56
8.1.140.0040.00417.39
8.1.130.0000.00717.71
8.1.120.0000.00717.36
8.1.110.0000.00717.49
8.1.100.0000.00717.48
8.1.90.0000.00717.35
8.1.80.0040.00417.46
8.1.70.0030.00317.44
8.1.60.0070.00017.49
8.1.50.0060.00317.49
8.1.40.0000.00817.45
8.1.30.0050.00317.54
8.1.20.0080.00017.61
8.1.10.0070.00017.56
8.1.00.0000.00817.51
8.0.300.0030.00520.65
8.0.290.0040.00417.05
8.0.280.0000.00818.45
8.0.270.0030.00317.26
8.0.260.0030.00317.32
8.0.250.0000.00716.95
8.0.240.0070.00017.07
8.0.230.0070.00016.88
8.0.220.0000.00716.89
8.0.210.0070.00016.87
8.0.200.0060.00017.04
8.0.190.0030.00616.89
8.0.180.0000.00716.89
8.0.170.0000.00817.00
8.0.160.0040.00416.85
8.0.150.0080.00016.81
8.0.140.0000.00716.88
8.0.130.0040.00413.27
8.0.120.0050.00216.96
8.0.110.0000.00716.93
8.0.100.0040.00416.98
8.0.90.0050.00316.81
8.0.80.0150.00016.95
8.0.70.0000.00816.79
8.0.60.0000.00816.86
8.0.50.0000.00716.75
8.0.30.0160.00317.06
8.0.20.0040.01417.40
8.0.10.0000.00717.05
8.0.00.0100.00716.82
7.4.330.0000.00515.00
7.4.320.0030.00316.50
7.4.300.0070.00016.63
7.4.290.0000.00716.66
7.4.280.0070.00016.50
7.4.270.0000.00816.62
7.4.260.0040.00416.45
7.4.250.0040.00416.33
7.4.240.0030.00316.60
7.4.230.0000.00716.59
7.4.220.0130.01316.61
7.4.210.0070.00716.65
7.4.200.0030.00316.54
7.4.190.0000.00816.60
7.4.160.0120.00416.55
7.4.150.0100.00717.40
7.4.140.0090.00817.86
7.4.130.0100.00716.49
7.4.120.0100.00816.48
7.4.110.0070.01416.36
7.4.100.0100.01016.55
7.4.90.0060.01116.50
7.4.80.0100.01019.39
7.4.70.0100.00616.55
7.4.60.0130.00316.64
7.4.50.0030.00316.38
7.4.40.0150.00316.54
7.4.30.0080.01116.40
7.4.00.0040.01415.13
7.3.330.0000.00513.23
7.3.320.0020.00313.38
7.3.310.0040.00416.41
7.3.300.0070.00016.38
7.3.290.0080.00516.37
7.3.280.0090.00916.33
7.3.270.0070.01117.40
7.3.260.0060.01216.47
7.3.250.0070.01016.38
7.3.240.0090.01216.38
7.3.230.0080.00916.54
7.3.210.0070.01616.53
7.3.200.0090.01419.39
7.3.190.0020.01116.57
7.3.180.0160.00016.56
7.3.170.0080.00816.52
7.3.160.0110.00616.38
7.3.120.0090.00614.90
7.3.10.0120.00915.80
7.3.00.0100.01015.85
7.2.330.0090.00916.69
7.2.320.0100.01016.67
7.2.310.0070.01016.31
7.2.300.0170.00016.30
7.2.290.0040.01216.73
7.2.130.0130.00716.15
7.2.120.0160.00716.28
7.2.110.0100.01016.41
7.2.100.0170.00316.04
7.2.90.0200.00816.75
7.2.80.0200.00316.16
7.2.70.0090.01216.19
7.2.60.0080.00916.51
7.2.50.0060.01016.03
7.2.40.0180.01216.04
7.2.30.0110.00816.25
7.2.20.0100.01416.18
7.2.10.0120.01216.32
7.2.00.0110.00718.14
7.1.250.0140.01014.96
7.1.200.0030.01015.45
7.1.100.0060.00318.23
7.1.70.0050.00317.03
7.1.60.0070.01819.46
7.1.50.0130.01016.86
7.1.00.0070.07322.30
7.0.200.0080.00616.68
7.0.140.0000.07722.09
7.0.60.0170.07319.79
7.0.50.0100.05017.84
7.0.40.0130.08720.40
7.0.30.0130.04720.24
7.0.20.0200.05020.23
7.0.10.0070.05720.08
7.0.00.0100.06720.13
5.6.280.0000.07720.99
5.6.210.0030.04720.71
5.6.200.0000.08718.19
5.6.190.0170.08020.64
5.6.180.0200.04020.67
5.6.170.0270.08020.44
5.6.160.0100.04720.54
5.6.150.0100.06318.21
5.6.140.0030.04018.22
5.6.130.0000.06318.18
5.6.120.0000.04320.99
5.6.110.0100.08020.88
5.6.100.0100.08721.01
5.6.90.0130.03321.00
5.6.80.0130.06720.38
5.6.70.4500.03720.39
5.5.350.0230.08020.46
5.5.340.0030.04018.02
5.5.330.0070.04720.19
5.5.320.0330.04320.24
5.5.310.0330.06720.35
5.5.300.0070.03718.08
5.5.290.0100.08017.95
5.5.280.0130.07320.88
5.5.270.0100.04720.89
5.5.260.0000.05020.87
5.5.250.0000.08020.55
5.5.240.0270.06020.34
5.4.450.0100.07019.39
5.4.440.0130.05719.61
5.4.430.0130.07319.53
5.4.420.0100.05319.60
5.4.410.0070.06019.42
5.4.400.0100.06019.26
5.4.390.0170.05019.16
5.4.380.0130.05318.70
5.4.370.0130.07318.75
5.4.360.0070.06018.53
5.4.350.0130.05318.52
5.4.340.0070.06018.80
5.4.320.0070.03512.50
5.4.310.0050.03912.50
5.4.300.0090.03312.50
5.4.290.0180.05712.48
5.4.280.0140.05412.38
5.4.270.0090.04212.38
5.4.260.0050.04412.38
5.4.250.0070.04012.38
5.4.240.0080.03712.38
5.4.230.0110.03812.37
5.4.220.0110.05712.37
5.4.210.0080.04112.38
5.4.200.0080.04212.37
5.4.190.0080.06912.37
5.4.180.0070.04512.37
5.4.170.0070.05712.38
5.4.160.0070.03912.37
5.4.150.0040.03912.37
5.4.140.0110.04212.06
5.4.130.0100.08012.04
5.4.120.0040.05812.00
5.4.110.0210.09212.00
5.4.100.0080.05512.00
5.4.90.0060.05912.00
5.4.80.0050.06012.00
5.4.70.0060.05511.99
5.4.60.0110.05711.99
5.4.50.0190.06211.99
5.4.40.0140.05011.98
5.4.30.0100.04111.98
5.4.20.0110.05311.97
5.4.10.0030.05311.98
5.4.00.0080.03911.47
5.3.290.0070.03812.80
5.3.280.0100.03612.71
5.3.270.0070.05112.73
5.3.260.0090.04012.72
5.3.250.0070.04112.72
5.3.240.0090.04212.72
5.3.230.0090.04512.71
5.3.220.0140.06712.68
5.3.210.0080.05512.68
5.3.200.0110.04112.68
5.3.190.0170.05612.68
5.3.180.0070.07412.68
5.3.170.0220.06112.67
5.3.160.0050.07012.68
5.3.150.0190.07312.67
5.3.140.0140.05012.66
5.3.130.0120.05012.66
5.3.120.0110.05512.66
5.3.110.0160.07812.66
5.3.100.0100.05012.13
5.3.90.0170.06012.11
5.3.80.0360.09712.11
5.3.70.0270.09512.11
5.3.60.0160.07912.09
5.3.50.0100.04912.04
5.3.40.0130.04812.04
5.3.30.0120.04812.00
5.3.20.0150.09211.77
5.3.10.0080.05111.74
5.3.00.0190.08811.73
5.2.170.0140.0659.23
5.2.160.0150.0699.23
5.2.150.0130.0639.23
5.2.140.0070.0349.23
5.2.130.0090.0359.19
5.2.120.0090.0409.19
5.2.110.0090.0389.19
5.2.100.0050.0359.19
5.2.90.0060.0329.18
5.2.80.0060.0369.18
5.2.70.0100.0529.19
5.2.60.0050.0449.14
5.2.50.0090.0379.10
5.2.40.0070.0349.08
5.2.30.0030.0359.06
5.2.20.0090.0409.05
5.2.10.0090.0388.95
5.2.00.0050.0418.81
5.1.60.0080.0348.10
5.1.50.0130.0378.10
5.1.40.0090.0298.07
5.1.30.0080.0378.43
5.1.20.0060.0348.45
5.1.10.0040.0308.18
5.1.00.0060.0278.18
5.0.50.0060.0216.64
5.0.40.0040.0216.50
5.0.30.0040.0346.32
5.0.20.0070.0206.28
5.0.10.0040.0226.26
5.0.00.0060.0326.25
4.4.90.0030.0184.78
4.4.80.0040.0174.76
4.4.70.0190.0444.75
4.4.60.0220.0334.75
4.4.50.0080.0174.77
4.4.40.0030.0304.71
4.4.30.0020.0244.76
4.4.20.0070.0264.85
4.4.10.0050.0284.85
4.4.00.0160.0584.76
4.3.110.0070.0314.67
4.3.100.0050.0324.67
4.3.90.0060.0514.63
4.3.80.0140.0524.58
4.3.70.0090.0324.63
4.3.60.0040.0234.63
4.3.50.0070.0244.62
4.3.40.0100.0414.54
4.3.30.0080.0393.30
4.3.20.0170.0493.28
4.3.10.0100.0403.24
4.3.00.0000.0278.74

preferences:
37.57 ms | 401 KiB | 5 Q