3v4l.org

run code in 300+ PHP versions simultaneously
<?php $d = new DateTime("first day of january 2017"); echo "first day of: ", $d->setDate(2015, 12, 31)->format("Y-m-d"); $d = new DateTime("last day of december 2017"); echo "\nlast day of: ", $d->setDate(2016, 1, 1)->format("Y-m-d");

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)
8.3.60.0070.01018.55
8.3.50.0150.00318.01
8.3.40.0120.00318.80
8.3.30.0140.00718.86
8.3.20.0000.00721.97
8.3.10.0080.00020.70
8.3.00.0050.00323.61
8.2.180.0170.00318.29
8.2.170.0070.00722.96
8.2.160.0090.00622.24
8.2.150.0000.00824.18
8.2.140.0040.00424.66
8.2.130.0040.00420.32
8.2.120.0040.00426.35
8.2.110.0030.00620.38
8.2.100.0110.00017.97
8.2.90.0050.00319.30
8.2.80.0000.00917.97
8.2.70.0090.00017.63
8.2.60.0040.00418.05
8.2.50.0000.00719.41
8.2.40.0050.00320.59
8.2.30.0000.00820.41
8.2.20.0050.00318.13
8.2.10.0040.00418.14
8.2.00.0000.00718.08
8.1.280.0090.00625.92
8.1.270.0040.01119.06
8.1.260.0070.00026.35
8.1.250.0020.00528.09
8.1.240.0030.00622.19
8.1.230.0000.01219.42
8.1.220.0000.00817.74
8.1.210.0000.00818.77
8.1.200.0060.00317.36
8.1.190.0000.00817.13
8.1.180.0040.00418.10
8.1.170.0030.00518.59
8.1.160.0020.00518.93
8.1.150.0030.00620.25
8.1.140.0040.00419.59
8.1.130.0000.00817.57
8.1.120.0050.00518.15
8.1.110.0070.00318.21
8.1.100.0060.00418.22
8.1.90.0000.01018.21
8.1.80.0040.00718.17
8.1.70.0060.00518.27
8.1.60.0000.01018.25
8.1.50.0100.00418.24
8.1.40.0070.00618.17
8.1.30.0090.00418.24
8.1.20.0110.00218.24
8.1.10.0080.00518.31
8.1.00.0100.00218.17
8.0.300.0000.00718.77
8.0.290.0050.00216.88
8.0.280.0040.00418.52
8.0.270.0040.00417.39
8.0.260.0030.00316.91
8.0.250.0090.00017.58
8.0.240.0070.00517.63
8.0.230.0070.00417.59
8.0.220.0060.00517.53
8.0.210.0090.00217.46
8.0.200.0070.00317.62
8.0.190.0070.00417.54
8.0.180.0060.00517.61
8.0.170.0080.00317.55
8.0.160.0090.00317.51
8.0.150.0110.00017.51
8.0.140.0070.00417.43
8.0.130.0070.00415.67
8.0.120.0070.00417.47
8.0.110.0070.00417.49
8.0.100.0040.00717.40
8.0.90.0100.00117.52
8.0.80.0080.00717.46
8.0.70.0080.00417.53
8.0.60.0030.00917.52
8.0.50.0110.00017.46
8.0.30.0110.00617.38
8.0.20.0140.00717.56
8.0.10.0080.00317.70
8.0.00.0110.00517.60
7.4.330.0040.00514.77
7.4.320.0050.00617.19
7.4.300.0090.00117.20
7.4.290.0070.00517.13
7.4.280.0050.00717.15
7.4.270.0060.00617.09
7.4.260.0090.00217.09
7.4.250.0070.00517.26
7.4.240.0070.00417.14
7.4.230.0080.00417.20
7.4.220.0130.00317.07
7.4.210.0110.00317.16
7.4.200.0070.00417.08
7.4.190.0080.00417.89
7.4.180.0150.00017.72
7.4.160.0040.01116.88
7.4.150.0130.00517.57
7.4.140.0130.00717.78
7.4.130.0140.00416.91
7.4.120.0140.00417.07
7.4.110.0040.00917.18
7.4.100.0060.00817.12
7.4.90.0080.00717.02
7.4.80.0090.00618.56
7.4.70.0120.00617.14
7.4.60.0100.00317.05
7.4.50.0070.00917.12
7.4.40.0070.00817.06
7.4.30.0080.00417.10
7.4.20.0070.00017.61
7.4.10.0000.00717.53
7.4.00.0080.00316.21
7.3.330.0050.00415.23
7.3.320.0070.00315.29
7.3.310.0080.00216.76
7.3.300.0050.00516.81
7.3.290.0080.00716.53
7.3.280.0080.00916.38
7.3.270.0110.00517.45
7.3.260.0120.00616.63
7.3.250.0110.00716.63
7.3.240.0030.01216.70
7.3.230.0110.00417.11
7.3.220.0090.00517.25
7.3.210.0100.00517.01
7.3.200.0070.00917.03
7.3.190.0080.01016.85
7.3.180.0110.00416.96
7.3.170.0100.00816.78
7.3.160.0100.00816.92
7.3.150.0140.00017.36
7.3.140.0070.00717.39
7.3.130.0100.00517.21
7.3.120.0050.00817.32
7.3.110.0140.00017.15
7.3.100.0110.00317.26
7.3.90.0050.00917.45
7.3.80.0130.00017.31
7.3.70.0140.00017.48
7.3.60.0100.00317.52
7.3.50.0080.00617.55
7.3.40.0130.00017.67
7.3.30.0100.00317.47
7.3.20.0160.00019.23
7.3.10.0070.00617.90
7.3.00.0080.00517.89
7.2.340.0090.00517.66
7.2.330.0080.00817.19
7.2.320.0140.00217.30
7.2.310.0080.00817.24
7.2.300.0090.00717.11
7.2.290.0090.00617.15
7.2.280.0070.00717.77
7.2.270.0120.00217.51
7.2.260.0090.00617.61
7.2.250.0150.00017.80
7.2.240.0110.00417.77
7.2.230.0050.00917.49
7.2.220.0160.00017.73
7.2.210.0070.00817.62
7.2.200.0140.00417.70
7.2.190.0070.00817.88
7.2.180.0110.00417.67
7.2.170.0070.00717.64
7.2.160.0090.00517.72
7.2.150.0120.00419.50
7.2.140.0090.00619.41
7.2.130.0070.00618.33
7.2.120.0080.00618.13
7.2.110.0070.00618.27
7.2.100.0060.00718.24
7.2.90.0050.00718.26
7.2.80.0130.00318.24
7.2.70.0110.00518.39
7.2.60.0100.00417.83
7.2.50.0080.00418.21
7.2.40.0100.00318.37
7.2.30.0060.00818.30
7.2.20.0060.00718.20
7.2.10.0070.00418.33
7.2.00.0090.00518.82
7.1.330.0140.00018.37
7.1.320.0070.00718.29
7.1.310.0100.00318.52
7.1.300.0100.00318.38
7.1.290.0130.00018.27
7.1.280.0140.00018.30
7.1.270.0090.00418.35
7.1.260.0140.00018.38
7.1.250.0080.00716.94
7.1.240.0060.00918.48
7.1.230.0120.00318.29
7.1.220.0070.00718.26
7.1.210.0110.00418.36
7.1.200.0080.00616.98
7.1.190.0100.00318.52
7.1.180.0120.00218.45
7.1.170.0050.01018.40
7.1.160.0130.00018.50
7.1.150.0070.00718.45
7.1.140.0080.00818.50
7.1.130.0120.00318.29
7.1.120.0150.00018.48
7.1.110.0100.00518.35
7.1.100.0130.00718.28
7.1.90.0070.00718.16
7.1.80.0120.00418.29
7.1.70.0050.00917.77
7.1.60.0060.00917.74
7.1.50.0050.00917.66
7.1.40.0040.00917.59
7.1.30.0060.00717.48
7.1.20.0090.00417.46
7.1.10.0070.00517.46
7.1.00.0020.00917.56
7.0.330.0080.00618.02
7.0.320.0130.00317.96
7.0.310.0070.00717.93
7.0.300.0110.00318.11
7.0.290.0100.00318.11
7.0.280.0090.00518.01
7.0.270.0050.00917.90
7.0.260.0100.00318.00
7.0.250.0110.00418.26
7.0.240.0100.00318.14
7.0.230.0090.00518.20
7.0.220.0110.00218.13
7.0.210.0040.00918.24
7.0.200.0080.00217.36
7.0.190.0080.00317.57
7.0.180.0080.00417.22
7.0.170.0080.00417.17
7.0.160.0060.00417.26
7.0.150.0060.00617.11
7.0.140.0090.00317.12
7.0.130.0020.01017.50
7.0.120.0040.00717.27
7.0.110.0030.00817.17
7.0.100.0070.00517.16
7.0.90.0050.00617.20
7.0.80.0160.00216.31
7.0.70.0050.00717.09
7.0.60.0060.00617.03
7.0.50.0050.00917.22
7.0.40.0090.00516.34
7.0.30.0070.00416.38
7.0.20.0090.00216.20
7.0.10.0090.00316.33
7.0.00.0060.00416.28
5.6.400.0050.00417.11
5.6.390.0040.00916.96
5.6.380.0040.00917.11
5.6.370.0120.00217.16
5.6.360.0040.00917.06
5.6.350.0060.00617.20
5.6.340.0110.00217.03
5.6.330.0060.00616.97
5.6.320.0140.00017.08
5.6.310.0040.00917.11
5.6.300.0080.00617.07
5.6.290.0060.00617.21
5.6.280.0000.01217.07
5.6.270.0060.00917.07
5.6.260.0080.00416.95
5.6.250.0090.00316.86
5.6.240.0120.00016.90
5.6.230.0060.00616.99
5.6.220.0100.00317.32
5.6.210.0000.01517.32
5.6.200.0000.01317.09
5.6.190.0130.00317.23
5.6.180.0100.00317.11
5.6.170.0130.00017.34
5.6.160.0120.00017.38
5.6.150.0120.00017.33
5.6.140.0070.00517.34
5.6.130.0120.00017.22
5.6.120.0030.00917.16
5.6.110.0090.00417.04
5.6.100.0060.00617.20
5.6.90.0130.00016.94
5.6.80.0090.00317.14
5.6.70.0090.00317.16
5.6.60.0060.00617.32
5.6.50.0000.01217.21
5.6.40.0060.00616.99
5.6.30.0070.00517.14
5.6.20.0060.00616.79
5.6.10.0040.00817.12
5.6.00.0080.00417.15

preferences:
61.18 ms | 400 KiB | 5 Q