3v4l.org

run code in 300+ PHP versions simultaneously
<?php $timestamp = serialize(new \DateTime()); var_dump($timestamp); var_dump(unserialize($timestamp));

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)
8.3.60.0090.00616.88
8.3.50.0130.01122.12
8.3.40.0140.00719.09
8.3.30.0110.00318.79
8.3.20.0000.00720.38
8.3.10.0040.00422.16
8.3.00.0040.00419.38
8.2.180.0120.00316.88
8.2.170.0140.00022.96
8.2.160.0130.00720.64
8.2.150.0060.01224.18
8.2.140.0000.00924.66
8.2.130.0040.00417.75
8.2.120.0020.00526.35
8.2.110.0070.00320.65
8.2.100.0050.00917.84
8.2.90.0030.00617.74
8.2.80.0050.00318.86
8.2.70.0000.00817.75
8.2.60.0050.00317.88
8.2.50.0040.00418.05
8.2.40.0040.00419.38
8.2.30.0030.00520.60
8.2.20.0030.00617.93
8.2.10.0050.00218.17
8.2.00.0050.00218.05
8.1.280.0000.01425.92
8.1.270.0060.00324.09
8.1.260.0080.00028.09
8.1.250.0000.00728.09
8.1.240.0070.01022.26
8.1.230.0000.01118.02
8.1.220.0040.00417.79
8.1.210.0000.00818.77
8.1.200.0090.00017.60
8.1.190.0040.00417.48
8.1.180.0030.00518.10
8.1.170.0040.00417.70
8.1.160.0040.00422.08
8.1.150.0090.00019.05
8.1.140.0030.00619.71
8.1.130.0070.00017.89
8.1.120.0070.00017.70
8.1.110.0030.00417.66
8.1.100.0000.00717.71
8.1.90.0030.00417.70
8.1.80.0040.00417.77
8.1.70.0000.00717.73
8.1.60.0050.00317.76
8.1.50.0080.00017.70
8.1.40.0000.00817.72
8.1.30.0000.00917.78
8.1.20.0040.00417.63
8.1.10.0000.00817.80
8.1.00.0040.00717.63
8.0.300.0070.00019.01
8.0.290.0000.00916.88
8.0.280.0040.00418.58
8.0.270.0030.00317.38
8.0.260.0000.00817.39
8.0.250.0000.00717.30
8.0.240.0040.00417.29
8.0.230.0000.00717.18
8.0.220.0000.00717.25
8.0.210.0040.00417.16
8.0.200.0060.00017.33
8.0.190.0030.00517.29
8.0.180.0110.00017.22
8.0.170.0000.00817.21
8.0.160.0030.00717.14
8.0.150.0050.00317.15
8.0.140.0000.00917.26
8.0.130.0030.00313.65
8.0.120.0030.00617.19
8.0.110.0000.00717.24
8.0.100.0070.00017.15
8.0.90.0040.00317.34
8.0.80.0030.02117.09
8.0.70.0040.00417.27
8.0.60.0030.00517.15
8.0.50.0080.00017.27
8.0.30.0080.00717.20
8.0.20.0150.00817.40
8.0.10.0000.00817.15
8.0.00.0070.00916.89
7.4.330.0030.00316.91
7.4.320.0060.00016.69
7.4.300.0030.00316.84
7.4.290.0030.00316.85
7.4.280.0030.00716.68
7.4.270.0040.00416.66
7.4.260.0030.00616.68
7.4.250.0000.00816.65
7.4.240.0040.00316.71
7.4.230.0030.00316.67
7.4.220.0070.01116.67
7.4.210.0180.00316.77
7.4.200.0030.00516.59
7.4.160.0040.01116.69
7.4.150.0090.01617.40
7.4.140.0120.01117.86
7.4.130.0080.01716.73
7.4.120.0060.01116.57
7.4.110.0100.00716.74
7.4.100.0160.00316.85
7.4.90.0090.00916.61
7.4.80.0100.00919.39
7.4.70.0120.00416.64
7.4.60.0040.01116.71
7.4.50.0000.01416.68
7.4.40.0110.00516.66
7.4.30.0070.01316.75
7.4.10.0040.00715.23
7.4.00.0080.00715.20
7.3.330.0040.00413.27
7.3.320.0020.00313.38
7.3.310.0000.00716.27
7.3.300.0000.00716.31
7.3.290.0060.01016.38
7.3.280.0130.00716.39
7.3.270.0150.00417.40
7.3.260.0170.00716.46
7.3.240.0080.01116.53
7.3.230.0130.00516.65
7.3.210.0110.00816.54
7.3.200.0100.00716.55
7.3.190.0030.01716.57
7.3.180.0080.00816.50
7.3.170.0070.01516.54
7.3.160.0070.01016.62
7.3.130.0060.01315.04
7.3.120.0110.00715.25
7.3.110.0070.01014.96
7.3.100.0120.00315.16
7.3.90.0130.00315.14
7.3.80.0000.01015.23
7.3.70.0090.00614.93
7.3.60.0000.01314.93
7.3.50.0060.00915.11
7.3.40.0130.00015.11
7.3.30.0030.01014.94
7.3.20.0030.00716.82
7.3.10.0030.01016.73
7.3.00.0040.01216.88
7.2.330.0070.01016.83
7.2.320.0050.01516.81
7.2.310.0110.00716.83
7.2.300.0180.00616.67
7.2.290.0090.01316.72
7.2.260.0090.00915.44
7.2.250.0070.01114.93
7.2.240.0070.01015.30
7.2.230.0070.00714.96
7.2.220.0030.01015.14
7.2.210.0030.01215.00
7.2.200.0070.01015.35
7.2.190.0080.00415.05
7.2.180.0080.00815.03
7.2.170.0030.01315.25
7.2.160.0030.00615.06
7.2.150.0040.00717.18
7.2.140.0130.00317.30
7.2.130.0070.00317.01
7.2.120.0070.01017.38
7.2.110.0120.00616.96
7.2.100.0030.00717.00
7.2.90.0100.00017.01
7.2.80.0060.00616.93
7.2.70.0030.00717.12
7.2.60.0060.00516.94
7.2.50.0060.00917.04
7.2.40.0070.00317.03
7.2.30.0070.00717.07
7.2.20.0090.00617.00
7.2.10.0080.00417.09
7.2.00.0060.00818.28
7.1.330.0070.01015.68
7.1.320.0070.00715.86
7.1.310.0120.00315.91
7.1.300.0110.00415.77
7.1.290.0070.00715.43
7.1.280.0000.01315.63
7.1.270.0030.00815.95
7.1.260.0130.00015.77
7.1.250.0000.01215.89
7.1.240.0090.00315.93
7.1.230.0090.00616.03
7.1.220.0060.00916.00
7.1.210.0110.00415.66
7.1.200.0070.00715.65
7.1.190.0090.00615.93
7.1.180.0070.00415.69
7.1.170.0070.00715.93
7.1.160.0070.00715.95
7.1.150.0040.00815.88
7.1.140.0060.00915.92
7.1.130.0030.01015.77
7.1.120.0000.01215.95
7.1.110.0100.00315.91
7.1.100.0050.00617.16
7.1.90.0000.00916.02
7.1.80.0030.01315.89
7.1.70.0050.00516.58
7.1.60.0090.00917.55
7.1.50.0070.00316.52
7.1.40.0030.01015.91
7.1.30.0110.00415.88
7.1.20.0090.00315.67
7.1.10.0030.01015.98
7.1.00.0080.04019.18
7.0.330.0030.01115.63
7.0.320.0030.01315.47
7.0.310.0070.00715.68
7.0.300.0060.01015.36
7.0.290.0070.00715.17
7.0.280.0060.00615.54
7.0.270.0030.01015.48
7.0.260.0030.01015.49
7.0.250.0030.00715.60
7.0.240.0030.00715.55
7.0.230.0150.00015.39
7.0.220.0070.00715.71
7.0.210.0030.01315.61
7.0.200.0060.00616.12
7.0.190.0000.01715.71
7.0.180.0070.00715.45
7.0.170.0060.00615.54
7.0.160.0000.00815.51
7.0.150.0130.00315.64
7.0.140.0080.00015.20
7.0.130.0030.01015.57
7.0.120.0070.01315.54
7.0.110.0130.00015.63
7.0.100.0100.00315.63
7.0.90.0130.00015.57
7.0.80.0030.01215.36
7.0.70.0070.00715.19
7.0.60.0100.04317.73
7.0.50.0080.02316.78
7.0.40.0050.03016.79
7.0.30.0140.02216.71
7.0.20.0220.03816.89
7.0.10.0040.04916.73
7.0.00.0070.04316.88
5.6.400.0060.00914.25
5.6.390.0090.00614.25
5.6.380.0060.00914.63
5.6.370.0040.01114.45
5.6.360.0000.01014.46
5.6.350.0030.01114.30
5.6.340.0120.00314.46
5.6.330.0030.01014.38
5.6.320.0030.01314.41
5.6.310.0060.00314.16
5.6.300.0080.00814.49
5.6.290.0050.00314.18
5.6.280.0050.03717.56
5.6.270.0030.00614.61
5.6.260.0070.00414.50
5.6.250.0080.00314.55
5.6.240.0030.01014.61
5.6.230.0070.00714.44
5.6.220.0060.00914.58
5.6.210.0060.04817.48
5.6.200.0040.02816.24
5.6.190.0050.04117.37
5.6.180.0130.03717.37
5.6.170.0130.04217.38
5.6.160.0050.05217.56
5.6.150.0040.02916.24
5.6.140.0030.02516.32
5.6.130.0080.04116.45
5.6.120.0050.04617.57
5.6.110.0150.03717.60
5.6.100.0050.02917.58
5.6.90.0080.04517.73
5.6.80.0070.04217.41
5.6.70.0030.01014.34
5.6.60.0070.00714.13
5.6.50.0030.01014.23
5.6.40.0080.00414.32
5.6.30.0040.01214.73
5.6.20.0090.01014.65
5.6.10.0030.01014.09
5.6.00.0110.00714.43
5.5.380.0000.00914.21
5.5.370.0070.00714.31
5.5.360.0070.00714.21
5.5.350.2080.02517.43
5.5.340.0050.04516.13
5.5.330.0080.02817.21
5.5.320.0070.04017.23
5.5.310.0150.03617.12
5.5.300.0070.02316.20
5.5.290.0100.02316.09
5.5.280.0010.02817.47
5.5.270.0020.02617.64
5.5.260.0050.03717.48
5.5.250.0110.04617.33
5.5.240.0200.03817.20
5.5.230.0080.00814.06
5.5.220.0060.00913.96
5.5.210.0080.00413.88
5.5.200.0070.00714.31
5.5.190.0110.00714.35
5.5.180.0030.01214.33
5.5.170.0120.00314.19
5.5.160.0070.00714.30
5.5.150.0030.00914.32
5.5.140.0090.00613.83
5.5.130.0060.00614.23
5.5.120.0090.00613.92
5.5.110.0040.01114.24
5.5.100.0100.00713.83
5.5.90.0060.00314.11
5.5.80.0000.01714.26
5.5.70.0040.01113.88
5.5.60.0060.00914.25
5.5.50.0030.01014.07
5.5.40.0030.01014.09
5.5.30.0030.01414.38
5.5.20.0040.01114.15
5.5.10.0040.01114.37
5.5.00.0000.00914.13

preferences:
61.2 ms | 401 KiB | 5 Q