3v4l.org

run code in 300+ PHP versions simultaneously
<?php var_dump(unserialize(serialize((object) array("\0*\0a" => "b"))));

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)
8.3.60.0060.01316.50
8.3.50.0150.00521.02
8.3.40.0110.00418.66
8.3.30.0100.00318.96
8.3.20.0000.00820.21
8.3.10.0070.00021.60
8.3.00.0040.00420.69
8.2.180.0070.01025.92
8.2.170.0070.01022.96
8.2.160.0070.00721.93
8.2.150.0050.00324.18
8.2.140.0040.00424.66
8.2.130.0030.00626.16
8.2.120.0050.00319.41
8.2.110.0040.00420.38
8.2.100.0060.00617.91
8.2.90.0030.00518.83
8.2.80.0040.00417.97
8.2.70.0050.00317.25
8.2.60.0080.00017.88
8.2.50.0000.00818.07
8.2.40.0040.00419.63
8.2.30.0080.00317.91
8.2.20.0040.00417.71
8.2.10.0040.00417.83
8.2.00.0000.00717.48
8.1.280.0100.00725.92
8.1.270.0060.00322.04
8.1.260.0000.00726.35
8.1.250.0040.00428.09
8.1.240.0070.00323.96
8.1.230.0070.00719.16
8.1.220.0040.00417.74
8.1.210.0040.00418.77
8.1.200.0030.00617.22
8.1.190.0000.00817.12
8.1.180.0040.00418.10
8.1.170.0060.00318.66
8.1.160.0000.00821.94
8.1.150.0050.00218.82
8.1.140.0000.00717.37
8.1.130.0070.00017.75
8.1.120.0040.00317.32
8.1.110.0050.00317.15
8.1.100.0040.00417.20
8.1.90.0040.00417.22
8.1.80.0030.00417.36
8.1.70.0040.00417.21
8.1.60.0030.00617.47
8.1.50.0030.00517.36
8.1.40.0060.00317.30
8.1.30.0060.00317.50
8.1.20.0050.00217.43
8.1.10.0040.00417.32
8.1.00.0040.00817.24
8.0.300.0080.00018.77
8.0.290.0020.00516.63
8.0.280.0030.00318.30
8.0.270.0000.00717.12
8.0.260.0000.00617.11
8.0.250.0040.00416.79
8.0.240.0040.00416.87
8.0.230.0030.00316.88
8.0.220.0020.00516.88
8.0.210.0000.00716.81
8.0.200.0030.00316.74
8.0.190.0020.00516.96
8.0.180.0000.00716.89
8.0.170.0060.00316.93
8.0.160.0040.00416.83
8.0.150.0040.00416.77
8.0.140.0060.00316.82
8.0.130.0000.00813.24
8.0.120.0000.00816.80
8.0.110.0000.00716.86
8.0.100.0040.00416.70
8.0.90.0000.00716.62
8.0.80.0180.00316.70
8.0.70.0000.00816.70
8.0.60.0040.00416.88
8.0.50.0000.00716.80
8.0.30.0200.00916.90
8.0.20.0090.01017.40
8.0.10.0040.00416.80
8.0.00.0070.01116.87
7.4.330.0060.00015.03
7.4.320.0030.00316.47
7.4.300.0000.00616.34
7.4.290.0000.00716.29
7.4.280.0000.00716.35
7.4.270.0030.00316.44
7.4.260.0050.00216.47
7.4.250.0070.00016.43
7.4.240.0060.00116.37
7.4.230.0030.00316.39
7.4.220.0030.01416.32
7.4.210.0110.00316.51
7.4.200.0030.00316.45
7.4.160.0040.01116.29
7.4.150.0130.00617.40
7.4.140.0100.01017.86
7.4.130.0070.01016.40
7.4.120.0060.01016.42
7.4.110.0100.01016.27
7.4.100.0120.00616.58
7.4.90.0120.00616.36
7.4.80.0060.01016.47
7.4.70.0160.00016.30
7.4.60.0120.00616.25
7.4.50.0040.00416.40
7.4.40.0040.01116.08
7.4.30.0120.00616.18
7.4.00.0050.01214.85
7.3.330.0000.00513.02
7.3.320.0080.00613.04
7.3.310.0000.00616.06
7.3.300.0030.00316.18
7.3.290.0000.00616.19
7.3.280.0100.00716.22
7.3.270.0120.00917.40
7.3.260.0130.01016.17
7.3.250.0060.01116.21
7.3.240.0080.00816.24
7.3.230.0120.00616.39
7.3.210.0070.01416.23
7.3.200.0180.00819.39
7.3.190.0130.00316.28
7.3.180.0120.00316.39
7.3.170.0040.01316.27
7.3.160.0090.00616.21
7.3.120.0070.01014.37
7.3.110.0130.00314.51
7.3.100.0030.01214.96
7.3.90.0060.00314.79
7.3.80.0030.00814.79
7.3.70.0060.00614.40
7.3.60.0060.00814.80
7.3.50.0090.00014.54
7.3.40.0030.01014.66
7.3.30.0110.00314.64
7.3.20.0040.00816.44
7.3.10.0100.00716.64
7.3.00.0090.00616.40
7.2.330.0030.01516.32
7.2.320.0100.00716.59
7.2.310.0130.01016.51
7.2.300.0080.00816.48
7.2.290.0110.01116.60
7.2.250.0000.01915.10
7.2.240.0100.01014.93
7.2.230.0130.00314.53
7.2.220.0070.00714.78
7.2.210.0070.00714.81
7.2.200.0000.01514.95
7.2.190.0100.00314.66
7.2.180.0000.01114.96
7.2.170.0040.01114.76
7.2.110.0040.01416.27
7.2.60.0060.00716.63
7.2.00.0040.01119.36
7.1.330.0070.00715.75
7.1.320.0000.01115.68
7.1.310.0040.00415.79
7.1.300.0000.01115.71
7.1.290.0120.00015.77
7.1.280.0000.00915.72
7.1.270.0080.00615.35
7.1.260.0040.01115.43
7.1.200.0060.00315.59
7.1.100.0030.01018.10
7.1.70.0000.00716.79
7.1.60.0120.01219.46
7.1.50.0100.01016.95
7.1.00.0030.07722.30
7.0.200.0000.01016.62
7.0.140.0070.07022.00
7.0.60.0070.04720.03
7.0.50.0170.07317.79
7.0.40.0070.07320.41
7.0.30.0470.03720.35
7.0.20.0270.06320.01
7.0.10.0070.08720.00
7.0.00.0100.08020.12
5.6.280.0000.07721.14
5.6.210.0030.08320.66
5.6.200.0070.08318.17
5.6.190.0100.04020.43
5.6.180.3430.04020.41
5.6.170.0270.06020.37
5.6.160.0030.06720.41
5.6.150.0100.04018.11
5.6.140.0100.07718.08
5.6.130.0000.08718.10
5.6.120.0170.07721.09
5.6.110.0130.04721.06
5.6.100.0030.04021.16
5.6.90.0100.08721.00
5.6.80.0070.05020.26
5.6.70.4300.04320.36
5.5.350.0230.07020.46
5.5.340.0100.07717.89
5.5.330.0130.07020.21
5.5.320.3270.03720.20
5.5.310.0330.04320.26
5.5.300.0070.07717.91
5.5.290.0100.05717.88
5.5.280.0070.03720.79
5.5.270.0100.08020.75
5.5.260.0130.06320.72
5.5.250.0130.07720.47
5.5.240.0330.06720.18
5.4.450.0670.05719.43
5.4.440.1070.06719.26
5.4.430.0230.05319.23
5.4.420.0230.05019.27
5.4.410.0370.05719.32
5.4.400.0370.03719.26
5.4.390.0270.06718.49
5.4.380.0300.07018.49
5.4.370.0370.05718.72
5.4.360.0230.05318.52
5.4.350.0330.05318.46
5.4.340.0370.06318.69
5.4.320.2130.05318.51
5.4.310.0430.04318.70
5.4.300.0330.06718.61
5.4.290.0270.06318.64
5.4.280.0230.07018.75
5.4.270.0370.05718.48
5.4.260.0230.07318.72
5.4.250.0370.04718.72
5.4.240.0330.04718.50
5.4.230.0200.06318.57
5.4.220.0230.05318.61
5.4.210.0370.06018.67
5.4.200.0270.06316.55
5.4.190.0230.07318.70
5.4.180.0370.06018.65
5.4.170.0370.06018.47
5.4.160.0270.05018.60
5.4.150.0330.04318.70
5.4.140.0100.06316.18
5.4.130.0130.05316.04
5.4.120.0200.06016.30
5.4.110.0170.07016.21
5.4.100.0270.05316.26
5.4.90.0400.05016.31
5.4.80.0300.04716.06
5.4.70.0270.05016.27
5.4.60.0130.05716.29
5.4.50.0100.05716.18
5.4.40.0100.06016.13
5.4.30.0200.05016.19
5.4.20.0530.05716.13
5.4.10.0330.06016.18
5.4.00.0170.07315.51
5.3.290.0270.07314.59
5.3.280.0430.05314.59
5.3.270.0430.05714.65
5.3.260.0230.07314.59
5.3.250.0270.06714.55
5.3.240.0270.07014.52
5.3.230.0170.07014.52
5.3.220.0300.06014.51
5.3.210.0370.05314.56
5.3.200.0370.05014.51
5.3.190.0300.06314.48
5.3.180.0300.07314.54
5.3.170.0230.07314.47
5.3.160.0400.05014.65
5.3.150.0330.05314.50
5.3.140.0330.06014.64
5.3.130.0270.06714.64
5.3.120.0330.06714.66
5.3.110.0230.07314.55
5.3.100.0330.06713.98
5.3.90.0230.07314.05
5.3.80.0270.06313.93
5.3.70.0330.05714.00
5.3.60.0400.05313.98
5.3.50.0400.06014.04
5.3.40.0200.05713.88
5.3.30.0170.05313.84
5.3.20.0370.04313.77
5.3.10.0170.05313.75
5.3.00.0300.04713.53
5.2.170.0200.04711.18
5.2.160.0300.04711.20
5.2.150.0200.04311.19
5.2.140.0230.04711.05
5.2.130.0200.04711.10
5.2.120.0330.03011.14
5.2.110.0170.04711.26
5.2.100.0200.04011.24
5.2.90.0300.04311.10
5.2.80.0270.04011.07
5.2.70.0300.04311.02
5.2.60.0230.06311.09
5.2.50.0270.05711.00
5.2.40.0170.06010.91
5.2.30.0300.05011.03
5.2.20.0230.04710.94
5.2.10.0170.04710.89
5.2.00.0130.05710.72
5.1.60.0130.0539.97
5.1.50.0200.04310.04
5.1.40.0300.0379.95
5.1.30.0130.05010.49
5.1.20.0230.04710.32
5.1.10.0230.04310.08
5.1.00.0270.04010.06
5.0.50.0100.0308.56
5.0.40.0130.0278.38
5.0.30.0100.0578.19
5.0.20.0230.0278.29
5.0.10.0230.0338.19
5.0.00.0200.0538.28
4.4.90.0130.0335.93
4.4.80.0100.0205.86
4.4.70.0070.0235.80
4.4.60.0130.0205.90
4.4.50.0100.0205.88
4.4.40.0200.0405.90
4.4.30.0130.0235.86
4.4.20.0100.0205.94
4.4.10.0170.0236.01
4.4.00.0270.0275.91
4.3.110.0130.0205.84
4.3.100.0170.0275.76
4.3.90.0130.0205.79
4.3.80.0100.0375.89
4.3.70.0130.0205.82
4.3.60.0100.0305.91
4.3.50.0170.0305.82
4.3.40.0170.0475.79
4.3.30.0070.0304.63
4.3.20.0130.0274.61
4.3.10.0070.0304.57
4.3.00.0270.01714.62

preferences:
58.62 ms | 401 KiB | 5 Q