3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a=new stdClass; serialize($a); unserialize($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)
8.3.70.0040.01116.38
8.3.60.0070.01116.75
8.3.50.0130.00522.08
8.3.40.0030.01018.97
8.3.30.0100.00318.96
8.3.20.0070.00020.13
8.3.10.0040.00423.66
8.3.00.0000.00819.13
8.2.180.0150.00718.43
8.2.170.0130.00722.96
8.2.160.0030.01020.57
8.2.150.0060.00324.18
8.2.140.0000.00824.66
8.2.130.0070.00026.16
8.2.120.0040.00422.31
8.2.110.0060.00322.17
8.2.100.0070.00417.89
8.2.90.0050.00319.09
8.2.80.0000.00817.97
8.2.70.0000.00817.63
8.2.60.0040.00417.93
8.2.50.0040.00418.07
8.2.40.0040.00419.88
8.2.30.0040.00417.87
8.2.20.0070.00017.58
8.2.10.0070.00017.86
8.2.00.0000.00817.71
8.1.280.0130.00325.92
8.1.270.0040.00422.14
8.1.260.0080.00026.35
8.1.250.0080.00028.09
8.1.240.0060.00323.75
8.1.230.0040.00719.16
8.1.220.0050.00317.74
8.1.210.0050.00518.77
8.1.200.0060.00317.23
8.1.190.0040.00417.22
8.1.180.0060.00318.88
8.1.170.0030.00618.50
8.1.160.0040.00421.94
8.1.150.0040.00418.63
8.1.140.0070.00017.33
8.1.130.0000.00817.74
8.1.120.0050.00317.46
8.1.110.0000.00717.23
8.1.100.0000.00717.39
8.1.90.0050.00217.39
8.1.80.0000.00717.46
8.1.70.0000.00717.35
8.1.60.0000.00817.54
8.1.50.0030.00617.38
8.1.40.0080.00017.53
8.1.30.0050.00317.51
8.1.20.0070.00017.68
8.1.10.0000.00717.58
8.1.00.0000.00817.36
8.0.300.0000.00818.77
8.0.290.0040.00417.05
8.0.280.0030.00318.43
8.0.270.0030.00317.22
8.0.260.0030.00317.12
8.0.250.0030.00316.96
8.0.240.0050.00316.99
8.0.230.0070.00016.95
8.0.220.0000.00716.93
8.0.210.0050.00216.75
8.0.200.0030.00316.96
8.0.190.0000.00816.99
8.0.180.0000.00816.90
8.0.170.0030.00616.81
8.0.160.0040.00316.93
8.0.150.0000.00716.81
8.0.140.0040.00416.74
8.0.130.0000.00613.41
8.0.120.0040.00416.76
8.0.110.0040.00416.86
8.0.100.0040.00416.76
8.0.90.0070.00016.90
8.0.80.0080.01116.89
8.0.70.0000.00816.92
8.0.60.0000.00716.97
8.0.50.0030.00416.92
8.0.30.0060.01217.12
8.0.20.0110.00917.40
8.0.10.0040.00417.00
8.0.00.0120.00716.83
7.4.330.0050.00015.00
7.4.320.0000.00716.46
7.4.300.0000.00616.35
7.4.290.0030.00316.53
7.4.280.0070.00016.57
7.4.270.0050.00316.39
7.4.260.0070.00016.53
7.4.250.0070.00016.53
7.4.240.0020.00516.44
7.4.230.0030.00316.46
7.4.220.0150.00916.49
7.4.210.0040.01016.52
7.4.200.0000.00716.25
7.4.190.0050.00216.59
7.4.160.0080.01116.52
7.4.150.0100.01017.40
7.4.140.0110.01317.86
7.4.130.0160.00516.48
7.4.120.0070.01016.41
7.4.110.0120.00616.34
7.4.100.0170.00316.55
7.4.90.0080.01116.49
7.4.80.0090.01319.39
7.4.70.0150.00316.30
7.4.60.0100.00716.26
7.4.50.0040.00416.49
7.4.40.0060.01016.22
7.4.30.0040.01216.43
7.4.00.0000.01314.98
7.3.330.0050.00013.17
7.3.320.0000.00512.99
7.3.310.0040.00416.25
7.3.300.0000.00716.23
7.3.290.0070.00716.23
7.3.280.0100.00716.19
7.3.270.0140.00317.40
7.3.260.0060.01316.46
7.3.250.0140.00716.36
7.3.240.0160.00016.32
7.3.230.0100.01016.39
7.3.210.0110.01216.18
7.3.200.0060.00916.33
7.3.190.0150.00616.20
7.3.180.0100.00616.23
7.3.170.0060.00916.27
7.3.160.0060.01016.23
7.3.120.0070.01014.63
7.3.10.0080.00016.61
7.3.00.0120.00016.38
7.2.330.0060.01116.40
7.2.320.0060.01216.43
7.2.310.0070.01416.59
7.2.300.0080.00816.26
7.2.290.0170.00616.39
7.2.130.0000.01016.87
7.2.120.0080.00816.68
7.2.110.0080.00616.69
7.2.100.0080.00516.55
7.2.90.0100.00716.91
7.2.80.0030.00616.85
7.2.70.0070.00316.76
7.2.60.0060.00916.80
7.2.50.0100.00316.94
7.2.40.0000.01216.52
7.2.30.0040.01116.70
7.2.20.0030.00816.98
7.2.10.0080.00416.67
7.2.00.0120.00317.92
7.1.250.0040.00715.53
7.1.100.0060.00618.22
7.1.70.0060.00316.94
7.1.60.0100.01319.46
7.1.50.0070.01016.92
7.1.00.0030.07722.36
7.0.200.0000.00716.61
7.0.140.0030.07022.04
7.0.60.0070.08019.78
7.0.50.0100.08017.74
7.0.40.0030.08320.10
7.0.30.0230.03720.00
7.0.20.0270.05320.02
7.0.10.0030.09020.24
7.0.00.0030.04020.17
5.6.280.0030.07320.89
5.6.210.0000.09020.72
5.6.200.0100.06318.13
5.6.190.0070.08720.67
5.6.180.0330.07720.77
5.6.170.0370.06720.51
5.6.160.0100.08320.38
5.6.150.0130.07718.16
5.6.140.0030.04318.20
5.6.130.0030.08318.21
5.6.120.0070.07321.11
5.6.110.0000.09320.99
5.6.100.0000.04321.11
5.6.90.0030.05720.99
5.6.80.0100.06320.34
5.6.70.4670.03020.35
5.5.350.0030.08320.38
5.5.340.0030.04018.02
5.5.330.0000.05020.25
5.5.320.0300.06720.24
5.5.310.0200.03720.28
5.5.300.0000.05718.00
5.5.290.0000.08717.91
5.5.280.0100.05720.87
5.5.270.0030.06020.71
5.5.260.0070.07720.78
5.5.250.0030.09020.61
5.5.240.0070.06720.25
5.4.450.0170.06319.48
5.4.440.0200.05019.57
5.4.430.0130.07719.46
5.4.420.0230.04019.41
5.4.410.0170.08319.09
5.4.400.0170.04719.07
5.4.390.0270.06719.08
5.4.380.0270.07319.13
5.4.370.0200.04018.88
5.4.360.0270.07019.21
5.4.350.0230.06318.82
5.4.340.0230.04019.22
5.4.320.0200.07319.09
5.4.310.0170.04019.06
5.4.300.0200.05318.93
5.4.290.0170.07019.23
5.4.280.0200.07318.78
5.4.270.0230.07319.16
5.4.260.0170.07019.13
5.4.250.0270.06318.92
5.4.240.0170.07718.95
5.4.230.0300.08019.07
5.4.220.0200.07319.12
5.4.210.0230.06719.07
5.4.200.0330.06719.13
5.4.190.0300.06318.79
5.4.180.0270.03319.15
5.4.170.0130.05019.23
5.4.160.0130.04718.90
5.4.150.0230.04319.05
5.4.140.0200.03716.29
5.4.130.0200.04716.25
5.4.120.0200.06716.26
5.4.110.0170.07716.23
5.4.100.0230.04016.38
5.4.90.0200.07316.34
5.4.80.0300.06316.19
5.4.70.0130.04316.48
5.4.60.0200.07316.40
5.4.50.0170.07716.36
5.4.40.0170.05716.18
5.4.30.0230.06716.43
5.4.20.0170.03716.36
5.4.10.0170.04016.38
5.4.00.0230.06315.74
5.3.290.0170.04014.60
5.3.280.0330.05314.44
5.3.270.0170.04014.54
5.3.260.0230.06714.54
5.3.250.0200.07314.55
5.3.240.0230.06714.46
5.3.230.0300.06314.45
5.3.220.0200.04314.51
5.3.210.0130.07714.53
5.3.200.0170.07014.56
5.3.190.0270.04714.42
5.3.180.0200.06014.51
5.3.170.0200.07014.39
5.3.160.0130.04314.60
5.3.150.0170.05014.41
5.3.140.0200.05714.40
5.3.130.0200.06014.37
5.3.120.0230.05714.40
5.3.110.0100.04714.49
5.3.100.0230.06713.96
5.3.90.0200.07313.86
5.3.80.0170.07013.87
5.3.70.0270.06714.00
5.3.60.0230.04013.83
5.3.50.0170.04013.90
5.3.40.0470.05013.89
5.3.30.0200.05014.00
5.3.20.0270.06013.64
5.3.10.0400.05313.52
5.3.00.0330.06313.47
5.2.170.0170.05012.34
5.2.160.0230.04712.34
5.2.150.0130.06012.34
5.2.140.0130.06712.34
5.2.130.0000.04312.34
5.2.120.0170.06012.34
5.2.110.0130.06312.34
5.2.100.0100.05712.34
5.2.90.0170.03312.34
5.2.80.0130.04012.34
5.2.70.0200.07312.34
5.2.60.0200.06012.34
5.2.50.0130.04012.34
5.2.40.0100.03712.34
5.2.30.0170.02712.34
5.2.20.0330.04012.34
5.2.10.0100.04712.34
5.2.00.0170.05712.34
5.1.60.0200.05012.34
5.1.50.0170.05012.34
5.1.40.0130.03712.34
5.1.30.0200.05012.34
5.1.20.0100.05312.34
5.1.10.0170.05012.34
5.1.00.0130.04312.34
5.0.50.0130.03312.34
5.0.40.0070.03712.34
5.0.30.0130.05712.34
5.0.20.0100.02312.34
5.0.10.0100.04012.34
5.0.00.0130.05712.34
4.4.90.0130.02012.34
4.4.80.0030.02712.34
4.4.70.0070.03012.34
4.4.60.0270.01012.34
4.4.50.0130.02712.34
4.4.40.0070.05712.34
4.4.30.0030.03012.34
4.4.20.0070.03312.34
4.4.10.0030.02312.34
4.4.00.0230.02312.34
4.3.110.0070.03712.34
4.3.100.0070.03012.34
4.3.90.0100.03312.34
4.3.80.0100.03012.34
4.3.70.0100.01712.34
4.3.60.0070.03312.34
4.3.50.0100.02312.34
4.3.40.0070.03712.34
4.3.30.0000.03012.34
4.3.20.0030.02312.34
4.3.10.0100.03012.34
4.3.00.0070.02712.34

preferences:
54.27 ms | 401 KiB | 5 Q