3v4l.org

run code in 300+ PHP versions simultaneously
<?php $emptyDate = new \DateTime('0001-01-01T00:00:00'); $secondEmptyDate = new \DateTime('0001-01-01T00:00:00'); $otherDate = new \DateTime('now'); echo ($emptyDate == $secondEmptyDate); echo ($emptyDate === $secondEmptyDate); echo ($emptyDate == $otherDate); echo ($emptyDate === $otherDate);

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)
8.3.60.0070.00716.61
8.3.50.0100.00823.01
8.3.40.0090.00618.96
8.3.30.0100.00719.27
8.3.20.0050.00220.30
8.3.10.0080.00021.90
8.3.00.0030.00619.20
8.2.180.0150.00718.66
8.2.170.0120.00322.96
8.2.160.0100.00320.35
8.2.150.0000.00824.18
8.2.140.0040.00424.66
8.2.130.0040.00426.16
8.2.120.0040.00420.88
8.2.110.0070.00420.55
8.2.100.0040.00819.79
8.2.90.0050.00317.97
8.2.80.0080.00020.48
8.2.70.0050.00317.93
8.2.60.0000.00817.93
8.2.50.0040.00418.10
8.2.40.0000.00720.52
8.2.30.0090.00019.19
8.2.20.0070.00017.80
8.2.10.0040.00418.16
8.2.00.0000.00717.75
8.1.280.0100.01025.92
8.1.270.0100.00019.00
8.1.260.0070.00026.35
8.1.250.0000.00728.09
8.1.240.0090.00023.85
8.1.230.0150.00020.58
8.1.220.0030.00617.78
8.1.210.0040.00418.77
8.1.200.0090.00017.48
8.1.190.0000.00817.53
8.1.180.0000.00718.10
8.1.170.0040.00418.71
8.1.160.0070.00019.04
8.1.150.0080.00020.18
8.1.140.0040.00417.58
8.1.130.0070.00017.89
8.1.120.0030.00317.66
8.1.110.0000.00717.71
8.1.100.0070.00017.52
8.1.90.0000.00717.65
8.1.80.0000.00717.63
8.1.70.0030.00317.51
8.1.60.0040.00417.76
8.1.50.0080.00017.72
8.1.40.0040.00417.63
8.1.30.0040.00417.79
8.1.20.0000.00817.68
8.1.10.0030.00617.70
8.1.00.0040.00417.74
8.0.300.0000.00820.15
8.0.290.0060.00316.88
8.0.280.0000.00718.43
8.0.270.0040.00417.29
8.0.260.0000.00617.27
8.0.250.0030.00317.17
8.0.240.0000.00717.14
8.0.230.0000.00817.05
8.0.220.0040.00417.02
8.0.210.0060.00017.04
8.0.200.0040.00417.18
8.0.190.0000.00917.04
8.0.180.0000.00717.02
8.0.170.0030.00617.01
8.0.160.0040.00417.23
8.0.150.0000.00716.93
8.0.140.0070.00017.06
8.0.130.0030.00313.41
8.0.120.0030.00616.99
8.0.110.0030.00317.07
8.0.100.0000.00817.06
8.0.90.0040.00417.05
8.0.80.0060.01117.08
8.0.70.0000.00717.16
8.0.60.0030.00316.88
8.0.50.0000.00817.05
8.0.30.0100.01117.19
8.0.20.0180.00717.40
8.0.10.0050.00317.06
8.0.00.0030.01416.90
7.4.330.0050.00015.03
7.4.320.0030.00316.57
7.4.300.0000.00716.64
7.4.290.0030.00316.75
7.4.280.0070.00316.63
7.4.270.0040.00416.55
7.4.260.0100.00016.64
7.4.250.0040.00416.68
7.4.240.0040.00416.70
7.4.230.0000.00916.51
7.4.220.0100.01416.64
7.4.210.0100.00716.61
7.4.200.0030.00316.76
7.4.160.0110.00816.58
7.4.150.0120.00917.40
7.4.140.0090.00917.86
7.4.130.0120.00616.76
7.4.120.0080.00816.78
7.4.110.0210.00016.75
7.4.100.0040.01416.53
7.4.90.0060.01016.74
7.4.80.0110.00319.39
7.4.70.0070.01116.91
7.4.60.0080.00816.65
7.4.50.0060.00316.54
7.4.40.0140.00316.57
7.4.30.0070.01316.58
7.4.00.0000.01314.89
7.3.330.0020.00213.29
7.3.320.0000.00613.37
7.3.310.0070.00016.43
7.3.300.0030.00316.30
7.3.290.0080.00816.41
7.3.280.0110.00916.40
7.3.270.0030.01517.40
7.3.260.0000.01716.62
7.3.250.0070.01016.60
7.3.240.0070.01016.42
7.3.230.0080.00816.68
7.3.210.0100.00816.68
7.3.200.0060.01019.39
7.3.190.0040.01216.64
7.3.180.0160.00616.36
7.3.170.0080.01316.70
7.3.160.0060.01216.57
7.2.330.0180.00316.36
7.2.320.0040.01416.76
7.2.310.0080.00816.45
7.2.300.0060.00916.91
7.2.290.0060.01416.79
7.2.60.0100.00317.09
7.2.00.0070.01019.32
7.1.200.0000.00716.03
7.1.100.0000.01618.14
7.1.70.0000.00817.16
7.1.60.0060.01819.57
7.1.50.0060.01617.13
7.1.00.0100.07022.51
7.0.200.0030.00517.13
7.0.140.0070.03022.07
7.0.110.0030.07719.97
7.0.100.0070.07719.96
7.0.90.0070.05020.05
7.0.80.0100.04720.06
7.0.70.0000.05019.93
7.0.60.0030.08319.67
7.0.50.0070.07720.02
7.0.40.0030.05019.81
7.0.30.0070.04019.66
7.0.20.0100.07719.80
7.0.10.0070.03719.70
7.0.00.0030.09719.75
5.6.280.0070.07020.89
5.6.260.0100.08320.59
5.6.250.0030.07720.88
5.6.240.0100.07720.71
5.6.230.0070.08720.66
5.6.220.0130.06720.83
5.6.210.0100.06020.63
5.6.200.0100.08020.64
5.6.190.0070.08020.61
5.6.180.0100.07320.56
5.6.170.0100.05020.60
5.6.160.0000.04720.58
5.6.150.0130.07020.62
5.6.140.0070.04720.63
5.6.130.0030.08320.64
5.6.120.0000.04320.64
5.6.110.0030.04320.54
5.6.100.0130.06020.62
5.6.90.0130.07320.53
5.6.80.0030.08020.02
5.6.70.0100.03320.02
5.6.60.0130.07719.99
5.6.50.0200.06719.95
5.6.40.0070.03719.93
5.6.30.0070.08319.97
5.6.20.0100.03720.03
5.6.10.0070.05320.00
5.6.00.0100.07719.94
5.5.380.0070.07317.50
5.5.370.0100.06717.62
5.5.360.0000.06717.52
5.5.350.0070.07717.40
5.5.340.0100.06718.12
5.5.330.0070.07318.10
5.5.320.0070.07717.86
5.5.310.0030.04017.86
5.5.300.0000.07717.82
5.5.290.0070.05018.13
5.5.280.0030.04318.16
5.5.270.0130.08017.74
5.5.260.0030.08718.26
5.5.250.0030.08017.82
5.5.240.0170.07717.40
5.5.230.0070.08017.39
5.5.220.0070.08017.47
5.5.210.0100.07317.50
5.5.200.0070.05317.45
5.5.190.0030.05017.33
5.5.180.0100.07717.24
5.5.160.0070.05017.51
5.5.150.0100.07017.46
5.5.140.0030.07017.21
5.5.130.0070.06717.33
5.5.120.0100.06717.37
5.5.110.0130.04317.59
5.5.100.0030.07717.43
5.5.90.0100.07317.09
5.5.80.0100.04017.25
5.5.70.0030.08017.10
5.5.60.0100.04717.08
5.5.50.0070.03717.34
5.5.40.0030.06717.38
5.5.30.0030.06717.13
5.5.20.0030.04017.25
5.5.10.0030.04317.22
5.5.00.0070.04317.14
5.4.450.0130.06719.33
5.4.440.0070.03719.35
5.4.430.0030.07719.34
5.4.420.0130.05719.25
5.4.410.0070.04719.22
5.4.400.0030.07319.08
5.4.390.0100.06719.03
5.4.380.0070.06018.93
5.4.370.0070.04319.13
5.4.360.0070.04719.07
5.4.350.0070.07719.25
5.4.340.0100.04719.00
5.4.320.0100.07719.00
5.4.310.0070.04719.07
5.4.300.0100.07318.92
5.4.290.0000.08318.92
5.4.280.0000.05018.95
5.4.270.0100.07318.95
5.4.260.0170.06319.00
5.4.250.0030.08318.93
5.4.240.0100.06318.92
5.4.230.0030.04019.02
5.4.220.0070.08318.94
5.4.210.0130.03719.02
5.4.200.0100.07319.09
5.4.190.0100.04719.01
5.4.180.0100.03318.99
5.4.170.0070.04318.99
5.4.160.0070.06318.98
5.4.150.0130.03018.92
5.4.140.0030.05716.50
5.4.130.0100.06016.61
5.4.120.0030.06316.52
5.4.110.0070.03316.33
5.4.100.0200.05716.43
5.4.90.0100.05716.45
5.4.80.0070.05016.44
5.4.70.0000.03716.57
5.4.60.0030.06716.11
5.4.50.0100.03716.26
5.4.40.0000.04016.56
5.4.30.0070.07016.47
5.4.20.0100.05716.34
5.4.10.0000.03716.25
5.4.00.0070.07715.93
5.3.290.0070.07314.55
5.3.280.0070.07014.42
5.3.270.0030.05014.39
5.3.260.0030.04014.55
5.3.250.0030.06014.53
5.3.240.0100.07714.71
5.3.230.0030.05714.52
5.3.220.0070.07314.43
5.3.210.0030.03314.66
5.3.200.0030.08314.57
5.3.190.0100.06014.39
5.3.180.0200.05714.64
5.3.170.0000.07014.49
5.3.160.0130.02714.39
5.3.150.0030.05314.39
5.3.140.0070.06014.43
5.3.130.0100.04714.39
5.3.120.0130.03314.47
5.3.110.0000.05014.54
5.3.100.0030.05314.14
5.3.90.0030.07313.95
5.3.80.0030.06714.05
5.3.70.0070.06013.90
5.3.60.0000.07013.93
5.3.50.0000.05313.86
5.3.40.0030.04013.86
5.3.30.0030.03713.69
5.3.20.0000.04013.70
5.3.10.0030.06013.50
5.3.00.0000.06313.69
5.2.170.0000.03011.89
5.2.160.0000.04311.89
5.2.150.0000.03311.89
5.2.140.0070.07311.89
5.2.130.0030.02711.89
5.2.120.0030.05011.89
5.2.110.0000.03011.89
5.2.100.0100.06011.89
5.2.90.0030.02711.89
5.2.80.0070.06011.89
5.2.70.0000.04011.89
5.2.60.0030.04011.89
5.2.50.0030.03311.89
5.2.40.0130.03311.89
5.2.30.0030.06311.89
5.2.20.0100.05711.89
5.2.10.0030.06011.89
5.2.00.0100.05711.89
5.1.60.0070.05311.89
5.1.50.0030.05711.89
5.1.40.0000.05311.89
5.1.30.0070.03711.89
5.1.20.0070.05311.89
5.1.10.0030.02711.89
5.1.00.0030.05311.89
5.0.50.0030.02011.89
5.0.40.0100.01711.89
5.0.30.0070.04711.89
5.0.20.0000.02711.89
5.0.10.0000.03711.89
5.0.00.0000.06711.89
4.4.90.0070.02711.89
4.4.80.0000.03011.89
4.4.70.0070.03711.89
4.4.60.0070.03311.89
4.4.50.0000.03311.89
4.4.40.0030.05311.89
4.4.30.0000.02311.89
4.4.20.0000.01711.89
4.4.10.0000.01711.89
4.4.00.0070.04711.89
4.3.110.0000.03011.89
4.3.100.0000.01711.89
4.3.90.0000.03311.89
4.3.80.0000.05711.89
4.3.70.0000.03011.89
4.3.60.0030.02711.89
4.3.50.0000.03011.89
4.3.40.0030.03711.89
4.3.30.0000.01711.89
4.3.20.0000.01711.89
4.3.10.0030.01711.89
4.3.00.0000.01711.89

preferences:
56.78 ms | 401 KiB | 5 Q