3v4l.org

run code in 300+ PHP versions simultaneously
<?php $dt = new DateTime('now', new \DateTimeZone('UTC')); $serial = serialize($dt); var_dump( $serial );

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)
8.3.40.0140.00018.85
8.3.30.0040.01118.56
8.3.20.0070.00020.24
8.3.10.0030.00523.37
8.3.00.0060.00319.26
8.2.170.0070.01122.96
8.2.160.0100.00320.35
8.2.150.0040.00424.18
8.2.140.0080.00024.66
8.2.130.0030.00617.63
8.2.120.0190.00026.35
8.2.110.0060.00320.43
8.2.100.0060.00617.91
8.2.90.0000.00818.87
8.2.80.0060.00317.97
8.2.70.0040.00417.38
8.2.60.0000.00818.05
8.2.50.0040.00418.07
8.2.40.0040.00419.32
8.2.30.0040.00420.69
8.2.20.0060.00317.66
8.2.10.0040.00418.11
8.2.00.0070.00017.96
8.1.270.0050.00322.01
8.1.260.0070.00028.09
8.1.250.0070.00028.09
8.1.240.0000.00922.05
8.1.230.0000.01117.54
8.1.220.0080.00017.74
8.1.210.0080.00018.77
8.1.200.0080.00017.35
8.1.190.0050.00317.35
8.1.180.0080.00018.10
8.1.170.0060.00318.89
8.1.160.0030.00321.96
8.1.150.0040.00418.70
8.1.140.0030.00619.51
8.1.130.0070.00017.72
8.1.120.0030.00317.55
8.1.110.0000.00717.45
8.1.100.0040.00417.52
8.1.90.0080.00017.49
8.1.80.0040.00417.54
8.1.70.0040.00417.49
8.1.60.0060.00317.62
8.1.50.0040.00417.51
8.1.40.0000.00817.53
8.1.30.0040.00417.64
8.1.20.0040.00417.66
8.1.10.0000.00817.51
8.1.00.0000.00717.40
8.0.300.0000.00918.77
8.0.290.0040.00416.63
8.0.280.0000.00718.44
8.0.270.0030.00317.11
8.0.260.0060.00017.16
8.0.250.0030.00316.93
8.0.240.0000.00916.89
8.0.230.0070.00017.04
8.0.220.0070.00016.99
8.0.210.0030.00516.92
8.0.200.0070.00017.08
8.0.190.0000.00716.95
8.0.180.0000.00716.86
8.0.170.0040.00416.89
8.0.160.0030.00316.95
8.0.150.0070.00016.88
8.0.140.0030.00316.81
8.0.130.0060.00013.37
8.0.120.0030.00516.80
8.0.110.0070.00017.00
8.0.100.0040.00416.95
8.0.90.0050.00316.91
8.0.80.0130.00716.96
8.0.70.0000.00716.90
8.0.60.0070.00016.91
8.0.50.0030.00616.99
8.0.30.0120.00517.01
8.0.20.0130.00617.40
8.0.10.0040.00417.02
8.0.00.0080.01016.68
7.4.330.0060.00016.70
7.4.320.0060.00016.43
7.4.300.0060.00016.52
7.4.290.0000.00716.60
7.4.280.0050.00316.60
7.4.270.0030.00316.40
7.4.260.0060.00316.59
7.4.250.0040.00416.41
7.4.240.0060.00116.56
7.4.230.0070.00016.59
7.4.220.0130.01316.63
7.4.210.0040.01116.70
7.4.200.0000.00716.63
7.4.160.0080.00816.66
7.4.150.0060.01217.40
7.4.140.0130.00617.86
7.4.130.0070.01016.66
7.4.120.0100.01016.50
7.4.110.0170.00816.53
7.4.100.0060.01216.63
7.4.90.0100.00716.56
7.4.80.0190.00619.39
7.4.70.0110.00716.50
7.4.60.0100.00716.43
7.4.50.0080.00516.31
7.4.40.0070.01016.58
7.4.30.0100.00616.35
7.4.00.0060.00915.23
7.3.330.0050.00013.03
7.3.320.0060.00012.98
7.3.310.0040.00416.36
7.3.300.0040.00416.30
7.3.290.0040.01216.24
7.3.280.0120.00516.32
7.3.270.0130.00617.40
7.3.260.0110.00616.21
7.3.250.0100.01116.33
7.3.240.0070.01116.30
7.3.230.0070.01016.49
7.3.210.0150.00316.30
7.3.200.0090.00616.46
7.3.190.0130.00616.20
7.3.180.0090.00616.23
7.3.170.0030.01416.51
7.3.160.0060.00916.33
7.2.330.0070.01016.62
7.2.320.0130.01516.37
7.2.310.0100.00616.59
7.2.300.0100.00616.48
7.2.290.0090.00916.82
7.2.60.0070.01016.72
7.2.00.0070.00719.43
7.1.200.0100.00315.93
7.1.100.0070.00718.07
7.1.70.0130.00317.07
7.1.60.0090.01319.48
7.1.50.0060.01634.57
7.1.00.0030.07722.31
7.0.200.0310.00914.65
7.0.60.0030.08320.06
7.0.50.0070.07017.89
7.0.40.0130.06320.02
7.0.30.0370.07020.29
7.0.20.0370.08020.33
7.0.10.0000.08020.16
7.0.00.0100.08720.12
5.6.280.0030.03721.09
5.6.210.0030.04020.64
5.6.200.0030.09018.17
5.6.190.0170.08020.48
5.6.180.0270.07720.43
5.6.170.0270.07720.49
5.6.160.0100.08020.52
5.6.150.0030.04018.21
5.6.140.0030.04318.21
5.6.130.0000.07318.15
5.6.120.0030.04020.96
5.6.110.0170.06321.08
5.6.100.0100.07721.03
5.6.90.0130.08020.96
5.6.80.0130.06720.50
5.5.350.4270.04320.43
5.5.340.0030.05317.96
5.5.330.0100.08020.19
5.5.320.0130.04020.21
5.5.310.0070.05320.29
5.5.300.0070.06717.91
5.5.290.0030.05017.95
5.5.280.0000.04320.79
5.5.270.0030.04720.87
5.5.260.0270.06320.85
5.5.250.0030.08020.70
5.5.240.0200.07720.28
5.4.450.0530.05319.60
5.4.440.0600.05019.51
5.4.430.0530.05319.51
5.4.420.0500.05019.53
5.4.410.0530.04718.95
5.4.400.0570.04319.30
5.4.390.0500.05718.80
5.4.380.0530.05019.12
5.4.370.0470.05718.94
5.4.360.0400.06318.79
5.4.350.0500.05319.15
5.4.340.0530.05319.09
5.4.320.0530.05318.79
5.4.310.0470.05318.90
5.4.300.0530.05018.94
5.4.290.0570.05019.14
5.4.280.0600.04719.12
5.4.270.0630.04319.27
5.4.260.0530.05018.78
5.4.250.0530.04719.25
5.4.240.0530.05019.30
5.4.230.0470.05319.18
5.4.220.0570.05019.24
5.4.210.0570.04719.30
5.4.200.0570.04719.12
5.4.190.0530.05019.14
5.4.180.0470.05019.17
5.4.170.0470.05318.91
5.4.160.0570.04319.10
5.4.150.0530.05018.77
5.4.140.0500.05316.45
5.4.130.0500.05316.21
5.4.120.0570.04716.34
5.4.110.0530.06316.24
5.4.100.0530.04316.51
5.4.90.0570.05716.54
5.4.80.0600.04716.48
5.4.70.0530.04716.49
5.4.60.0570.04716.18
5.4.50.0800.06316.46
5.4.40.0570.04716.16
5.4.30.0530.06316.46
5.4.20.0530.05016.44
5.4.10.0700.05316.26
5.4.00.0730.05015.61
5.3.290.0570.05014.52
5.3.280.0570.04714.63
5.3.270.0530.05714.51
5.3.260.0530.05314.46
5.3.250.0630.04014.55
5.3.240.0500.05314.50
5.3.230.0600.04314.61
5.3.220.0530.04714.66
5.3.210.0430.06714.72
5.3.200.0570.04714.47
5.3.190.0570.05014.42
5.3.180.0530.05014.46
5.3.170.0530.05014.60
5.3.160.0600.06014.46
5.3.150.0600.05014.46
5.3.140.0530.05014.47
5.3.130.0470.06014.59
5.3.120.0570.05014.45
5.3.110.0630.05714.56
5.3.100.0600.04713.94
5.3.90.0530.04713.92
5.3.80.0600.04713.96
5.3.70.0500.05014.05
5.3.60.0530.04714.05
5.3.50.0570.05313.96
5.3.40.0570.05013.85
5.3.30.0430.05313.92
5.3.20.0530.04713.84
5.3.10.0400.05313.70
5.3.00.0530.05313.53
5.2.170.0430.03711.15
5.2.160.0370.04311.09
5.2.150.0400.04310.94
5.2.140.0430.04011.23
5.2.130.0400.03711.12
5.2.120.0330.04310.95
5.2.110.0370.04010.94
5.2.100.0400.04010.89
5.2.90.0430.03710.94
5.2.80.0430.03711.16
5.2.70.0400.04010.89
5.2.60.0370.04310.90
5.2.50.0400.04310.95
5.2.40.0270.04710.93
5.2.30.0300.04310.81
5.2.20.0370.03710.98
5.2.10.0300.04310.71
5.2.00.0300.04310.61
5.1.60.0270.0409.88
5.1.50.0300.0379.86
5.1.40.0270.04010.03
5.1.30.0330.03710.39
5.1.20.0370.03310.39
5.1.10.0330.0379.93
5.1.00.0330.0379.93
5.0.50.0230.0378.47
5.0.40.0170.0278.45
5.0.30.0170.0438.16
5.0.20.0100.0338.11
5.0.10.0200.0238.14
5.0.00.0170.0408.30
4.4.90.0200.0176.79
4.4.80.0100.0276.79
4.4.70.0100.0276.79
4.4.60.0200.0176.79
4.4.50.0200.0206.79
4.4.40.0130.0376.79
4.4.30.0200.0306.79
4.4.20.0130.0236.79
4.4.10.0200.0306.79
4.4.00.0230.0376.79
4.3.110.0100.0276.79
4.3.100.0170.0236.79
4.3.90.0130.0206.79
4.3.80.0130.0376.79
4.3.70.0100.0276.79
4.3.60.0130.0236.79
4.3.50.0170.0206.79
4.3.40.0130.0376.79
4.3.30.0100.0206.79
4.3.20.0100.0206.79
4.3.10.0100.0206.79
4.3.00.0070.0236.79

preferences:
52.4 ms | 400 KiB | 5 Q