3v4l.org

run code in 300+ PHP versions simultaneously
<?php class A implements Serializable { public function serialize() { return 'foo'; } public function unserialize($data) { } } var_dump(serialize(new A()));

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)
8.3.70.0150.00018.43
8.3.60.0120.00318.30
8.3.50.0090.01022.12
8.3.40.0110.00318.70
8.3.30.0090.00618.92
8.3.20.0050.00320.33
8.3.10.0040.00420.58
8.3.00.0030.00617.63
8.2.180.0040.01116.63
8.2.170.0100.00722.96
8.2.160.0120.00320.39
8.2.150.0080.00024.18
8.2.140.0080.00024.66
8.2.130.0070.00026.16
8.2.120.0000.00822.28
8.2.110.0100.00022.29
8.2.100.0040.00817.84
8.2.90.0030.00717.84
8.2.80.0000.01317.97
8.2.70.0000.00817.80
8.2.60.0080.00018.22
8.2.50.0000.00818.10
8.2.40.0030.00620.59
8.2.30.0050.00219.50
8.2.20.0060.00317.68
8.2.10.0000.00817.96
8.2.00.0040.00417.57
8.1.280.0070.00725.92
8.1.270.0070.00022.14
8.1.260.0050.00226.35
8.1.250.0050.00328.09
8.1.240.0130.00020.23
8.1.230.0100.00720.97
8.1.220.0030.00620.96
8.1.210.0080.00018.77
8.1.200.0030.00717.35
8.1.190.0030.00617.23
8.1.180.0000.00818.10
8.1.170.0040.00418.91
8.1.160.0070.00018.84
8.1.150.0040.00418.82
8.1.140.0040.00417.38
8.1.130.0070.00017.76
8.1.120.0030.00417.41
8.1.110.0030.00517.42
8.1.100.0040.00417.40
8.1.90.0040.00417.32
8.1.80.0040.00417.41
8.1.70.0000.00717.36
8.1.60.0000.00817.48
8.1.50.0040.00417.41
8.1.40.0040.00417.41
8.1.30.0050.00317.57
8.1.20.0060.00317.57
8.1.10.0000.00717.43
8.1.00.0000.00717.34
8.0.300.0080.00019.73
8.0.290.0040.00416.75
8.0.280.0030.00318.36
8.0.270.0000.00717.31
8.0.260.0030.00617.30
8.0.250.0000.00716.86
8.0.240.0050.00316.99
8.0.230.0000.00716.89
8.0.220.0000.00816.84
8.0.210.0000.00616.80
8.0.200.0060.00316.95
8.0.190.0080.00016.79
8.0.180.0070.00016.76
8.0.170.0030.00516.90
8.0.160.0070.00016.80
8.0.150.0070.00016.75
8.0.140.0070.00016.74
8.0.130.0040.00413.26
8.0.120.0000.00816.69
8.0.110.0000.00816.74
8.0.100.0040.00416.80
8.0.90.0040.00416.71
8.0.80.0090.00616.87
8.0.70.0050.00216.87
8.0.60.0050.00316.68
8.0.50.0050.00216.68
8.0.30.0050.01417.05
8.0.20.0200.00217.40
8.0.10.0030.00316.78
8.0.00.0050.01216.74
7.4.330.0000.00515.00
7.4.320.0030.00316.52
7.4.300.0000.00616.43
7.4.290.0000.00616.51
7.4.280.0040.00416.42
7.4.270.0000.00716.52
7.4.260.0070.00016.44
7.4.250.0050.00216.39
7.4.240.0040.00316.56
7.4.230.0030.00316.20
7.4.220.0110.00716.47
7.4.210.0120.00416.61
7.4.200.0030.00316.63
7.4.160.0090.01216.23
7.4.150.0130.00417.40
7.4.140.0050.01317.86
7.4.130.0060.01116.55
7.4.120.0120.00916.47
7.4.110.0080.00816.55
7.4.100.0030.01416.25
7.4.90.0090.00916.45
7.4.80.0060.01319.39
7.4.70.0120.00516.50
7.4.60.0100.01016.31
7.4.50.0030.00516.49
7.4.40.0130.00316.58
7.4.30.0070.01016.72
7.4.00.0050.01214.84
7.3.330.0050.00013.30
7.3.320.0030.00313.23
7.3.310.0000.00816.19
7.3.300.0030.00316.19
7.3.290.0030.01116.24
7.3.280.0100.00816.21
7.3.270.0160.00317.40
7.3.260.0100.01316.46
7.3.250.0100.00616.39
7.3.240.0100.00716.45
7.3.230.0080.00816.39
7.3.210.0120.00616.16
7.3.200.0090.01319.39
7.3.190.0190.00316.48
7.3.180.0100.00716.20
7.3.170.0060.01316.29
7.3.160.0130.00416.37
7.3.120.0110.00714.74
7.3.110.0070.01114.60
7.3.100.0040.01114.71
7.3.90.0080.00414.79
7.3.80.0030.00914.66
7.3.70.0080.00014.63
7.3.60.0000.01414.86
7.3.50.0030.01014.83
7.3.40.0060.00614.40
7.3.30.0040.00814.81
7.3.20.0030.00516.17
7.3.10.0030.01016.59
7.3.00.0040.00816.57
7.2.330.0160.00316.48
7.2.320.0130.00316.30
7.2.310.0100.01016.55
7.2.300.0060.01216.42
7.2.290.0130.01016.59
7.2.250.0040.01414.74
7.2.240.0030.01614.97
7.2.230.0030.01014.89
7.2.220.0030.00714.55
7.2.210.0060.00914.98
7.2.200.0070.00715.09
7.2.190.0070.01114.86
7.2.180.0080.00414.53
7.2.170.0000.00814.77
7.2.60.0040.01116.85
7.1.330.0030.01115.67
7.1.320.0030.01015.57
7.1.310.0100.00315.60
7.1.300.0040.00415.73
7.1.290.0040.00415.54
7.1.280.0060.00615.54
7.1.270.0080.00415.69
7.1.260.0090.00015.56
7.1.200.0070.00415.51
7.1.100.0080.00318.07
7.1.70.0100.00316.73
7.1.60.0100.01019.12
7.1.50.0170.01334.72
7.1.00.0030.07722.40
7.0.200.0040.00416.81
7.0.140.0100.06722.15
7.0.60.0070.03719.93
7.0.50.0000.08717.83
7.0.40.0070.09020.40
7.0.30.0230.03720.17
7.0.20.0300.07020.16
7.0.10.0070.05320.05
7.0.00.0000.04720.09
5.6.280.0070.07020.82
5.6.210.0100.04720.67
5.6.200.0070.03718.18
5.6.190.0200.07020.48
5.6.180.0270.04320.57
5.6.170.0270.07720.55
5.6.160.0100.07320.57
5.6.150.0070.04318.29
5.6.140.0070.08018.14
5.6.130.0030.04318.18
5.6.120.0070.08321.02
5.6.110.0070.07720.98
5.6.100.0100.03320.89
5.6.90.0170.07321.02
5.6.80.0100.03320.54
5.5.350.4200.04320.47
5.5.340.0030.06018.09
5.5.330.0130.05720.14
5.5.320.0300.08020.27
5.5.310.0270.08720.18
5.5.300.0030.04318.00
5.5.290.0070.04318.01
5.5.280.0030.05720.84
5.5.270.0130.07720.76
5.5.260.0070.08720.76
5.5.250.0130.07320.77
5.5.240.0100.07020.23
5.4.450.0370.04319.66
5.4.440.0570.03719.48
5.4.430.0130.05019.45
5.4.420.0270.04319.47
5.4.410.0270.04019.45
5.4.400.0100.04319.45
5.4.390.0400.04719.45
5.4.380.0400.06318.70
5.4.370.0430.06018.53
5.4.360.0470.08718.50
5.4.350.0130.07318.58
5.4.340.0270.05018.84
5.4.320.0150.03712.50
5.4.310.0100.04412.50
5.4.300.0060.03612.50
5.4.290.0070.03912.50
5.4.280.0060.03512.39
5.4.270.0070.03612.40
5.4.260.0100.04312.40
5.4.250.0070.04912.39
5.4.240.0080.03912.39
5.4.230.0090.04012.39
5.4.220.0080.03412.39
5.4.210.0090.03412.38
5.4.200.0090.03712.39
5.4.190.0070.03712.39
5.4.180.0070.03712.38
5.4.170.0040.03912.40
5.4.160.0090.03712.39
5.4.150.0060.03612.39
5.4.140.0090.03412.07
5.4.130.0040.03612.06
5.4.120.0080.03312.02
5.4.110.0040.03712.01
5.4.100.0060.03412.01
5.4.90.0020.04012.01
5.4.80.0050.03712.02
5.4.70.0070.03312.01
5.4.60.0080.03212.01
5.4.50.0050.03612.01
5.4.40.0070.03411.99
5.4.30.0050.03612.00
5.4.20.0080.03511.99
5.4.10.0050.03611.99
5.4.00.0070.03411.48
5.3.290.0060.04112.80
5.3.280.0050.04312.70
5.3.270.0100.03912.72
5.3.260.0100.04212.72
5.3.250.0080.04612.72
5.3.240.0040.03912.72
5.3.230.0050.03912.71
5.3.220.0100.03712.68
5.3.210.0040.04112.68
5.3.200.0050.03712.68
5.3.190.0090.03412.68
5.3.180.0080.03512.67
5.3.170.0100.03512.67
5.3.160.0060.03712.67
5.3.150.0090.03312.67
5.3.140.0090.04112.66
5.3.130.0080.04212.66
5.3.120.0070.03912.66
5.3.110.0080.03512.65
5.3.100.0050.03912.12
5.3.90.0030.04112.10
5.3.80.0100.04212.10
5.3.70.0130.03412.10
5.3.60.0090.03812.08
5.3.50.0070.03612.03
5.3.40.0070.03912.03
5.3.30.0100.03511.98
5.3.20.0120.03011.76
5.3.10.0050.04011.73
5.3.00.0070.03811.72
5.2.170.0070.0399.22
5.2.160.0070.0379.23
5.2.150.0070.0339.22
5.2.140.0060.0369.22
5.2.130.0070.0269.18
5.2.120.0050.0309.18
5.2.110.0080.0279.18
5.2.100.0080.0329.18
5.2.90.0070.0309.18
5.2.80.0050.0379.17
5.2.70.0030.0409.18
5.2.60.0030.0309.13
5.2.50.0050.0309.09
5.2.40.0060.0319.07
5.2.30.0050.0329.05
5.2.20.0070.0259.03
5.2.10.0060.0258.94
5.2.00.0090.0238.80
5.1.60.0030.0248.09
5.1.50.0040.0258.09
5.1.40.0040.0248.06
5.1.30.0030.0278.42
5.1.20.0050.0358.43
5.1.10.0040.0388.17
5.1.00.0040.0338.16
5.0.50.0040.0226.64
5.0.40.0040.0226.50
5.0.30.0060.0336.32
5.0.20.0040.0276.28
5.0.10.0040.0226.26
5.0.00.0060.0336.25
4.4.90.0010.0264.77
4.4.80.0020.0214.76
4.4.70.0040.0184.76
4.4.60.0040.0184.76
4.4.50.0050.0164.77
4.4.40.0060.0304.71
4.4.30.0040.0234.76
4.4.20.0070.0224.85
4.4.10.0020.0174.84
4.4.00.0020.0324.76
4.3.110.0010.0164.67
4.3.100.0040.0154.66
4.3.90.0020.0174.63
4.3.80.0020.0284.58
4.3.70.0020.0194.63
4.3.60.0040.0184.63
4.3.50.0020.0154.63
4.3.40.0050.0294.54
4.3.30.0060.0193.30
4.3.20.0000.0183.28
4.3.10.0010.0163.23
4.3.00.0000.02019.45

preferences:
71.54 ms | 401 KiB | 5 Q