3v4l.org

run code in 300+ PHP versions simultaneously
<?php $input = new \DateTime('2017-07-17'); $firstDayOfMonth = new \DateTime($input->format('Y-m-01')); $order = (int)($input->format('n') / 7) + 1; var_dump($input->format('l')); var_dump($input->format('n') / 7 + 1);

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)
8.3.60.0110.00416.63
8.3.50.0060.00916.76
8.3.40.0070.00718.97
8.3.30.0070.00718.63
8.3.20.0040.00420.39
8.3.10.0080.00021.74
8.3.00.0040.00419.22
8.2.180.0070.00716.88
8.2.170.0070.00722.96
8.2.160.0030.01020.39
8.2.150.0070.00024.18
8.2.140.0030.00524.66
8.2.130.0090.00020.79
8.2.120.0040.00426.35
8.2.110.0070.00322.06
8.2.100.0070.00418.21
8.2.90.0000.00819.40
8.2.80.0000.00817.97
8.2.70.0080.00017.48
8.2.60.0100.00017.93
8.2.50.0040.00418.10
8.2.40.0040.00420.42
8.2.30.0080.00020.98
8.2.20.0040.00418.09
8.2.10.0000.00718.22
8.2.00.0000.00818.05
8.1.280.0150.00025.92
8.1.270.0040.00423.79
8.1.260.0030.00526.35
8.1.250.0050.00328.09
8.1.240.0060.00322.19
8.1.230.0080.00419.10
8.1.220.0040.00417.77
8.1.210.0000.00918.77
8.1.200.0080.00017.35
8.1.190.0040.00417.35
8.1.180.0040.00418.10
8.1.170.0040.00418.91
8.1.160.0040.00419.09
8.1.150.0000.00720.67
8.1.140.0030.00719.58
8.1.130.0040.00418.88
8.1.120.0050.00217.59
8.1.110.0040.00417.56
8.1.100.0060.00317.64
8.1.90.0040.00417.61
8.1.80.0030.00317.67
8.1.70.0080.00017.70
8.1.60.0000.00817.68
8.1.50.0060.00317.59
8.1.40.0080.00017.66
8.1.30.0040.00417.78
8.1.20.0040.00417.69
8.1.10.0040.00417.68
8.1.00.0040.00417.70
8.0.300.0080.00018.77
8.0.290.0040.00416.88
8.0.280.0030.00318.45
8.0.270.0050.00317.23
8.0.260.0000.00616.97
8.0.250.0030.00317.18
8.0.240.0040.00417.14
8.0.230.0000.00717.18
8.0.220.0070.00017.05
8.0.210.0050.00317.12
8.0.200.0000.00717.00
8.0.190.0040.00417.13
8.0.180.0020.00516.94
8.0.170.0070.00017.03
8.0.160.0070.00016.90
8.0.150.0030.00317.00
8.0.140.0040.00416.87
8.0.130.0050.00013.32
8.0.120.0070.00016.89
8.0.110.0040.00316.80
8.0.100.0000.00817.05
8.0.90.0000.00717.04
8.0.80.0090.00616.97
8.0.70.0000.00817.11
8.0.60.0040.00416.96
8.0.50.0040.00416.98
8.0.30.0090.01017.35
8.0.20.0080.01117.42
8.0.10.0000.00817.00
8.0.00.0070.01116.94
7.4.330.0020.00515.55
7.4.320.0030.00316.75
7.4.300.0060.00016.74
7.4.290.0070.00016.58
7.4.280.0100.00016.54
7.4.270.0000.00616.56
7.4.260.0060.00316.66
7.4.250.0030.00316.69
7.4.240.0080.00016.79
7.4.230.0070.00016.66
7.4.220.0100.00716.80
7.4.210.0110.00516.62
7.4.200.0000.00716.48
7.4.160.0100.00616.82
7.4.150.0160.00417.40
7.4.140.0080.01017.86
7.4.130.0130.00616.73
7.4.120.0120.00716.68
7.4.110.0120.00816.77
7.4.100.0130.00316.73
7.4.90.0100.00716.75
7.4.80.0060.01119.39
7.4.70.0100.01016.78
7.4.60.0140.00316.46
7.4.50.0110.00716.29
7.4.40.0130.01016.86
7.4.30.0100.00716.71
7.4.00.0080.00315.00
7.3.330.0030.00313.09
7.3.320.0000.00613.13
7.3.310.0030.00316.39
7.3.300.0030.00316.36
7.3.290.0000.00716.32
7.3.280.0090.00616.32
7.3.270.0120.00617.40
7.3.260.0120.00616.63
7.3.250.0130.00516.59
7.3.240.0120.00516.57
7.3.230.0110.00616.46
7.3.210.0040.01216.43
7.3.200.0060.00916.59
7.3.190.0130.00316.43
7.3.180.0160.00316.66
7.3.170.0130.00416.47
7.3.160.0080.00816.44
7.3.10.0140.00016.77
7.3.00.0100.00016.49
7.2.330.0080.01616.56
7.2.320.0120.00916.86
7.2.310.0100.00716.74
7.2.300.0030.01916.84
7.2.290.0130.00416.60
7.2.130.0040.00717.07
7.2.120.0030.00917.18
7.2.110.0070.00316.82
7.2.100.0090.00616.74
7.2.90.0340.00516.09
7.2.80.0380.00715.91
7.2.70.0350.00415.94
7.2.60.0320.01016.25
7.2.50.0380.00515.92
7.2.40.0920.01016.09
7.2.30.0340.00416.19
7.2.20.0290.00915.93
7.2.10.0430.00716.13
7.2.00.0290.01016.11
7.1.250.0030.00615.80
7.1.210.0590.00713.86
7.1.200.0220.00613.97
7.1.190.1150.00314.10
7.1.180.0640.00713.93
7.1.170.0590.00313.86
7.1.160.0650.01013.77
7.1.150.0650.01213.84
7.1.140.0630.01013.77
7.1.130.1120.00313.87
7.1.120.0580.00914.03
7.1.110.0550.00614.09
7.1.100.0590.00614.03
7.1.90.0150.01014.07
7.1.80.0240.01114.00
7.1.70.0680.00313.86
7.1.60.0470.01631.88
7.1.50.0760.02031.84
7.1.40.0700.00931.84
7.1.30.0310.00831.60
7.1.20.0800.00332.02
7.1.10.0680.00313.87
7.1.00.0120.00613.85
7.0.310.0650.01013.66
7.0.300.0770.00313.63
7.0.290.0740.00013.78
7.0.280.0380.00913.66
7.0.270.0480.00713.61
7.0.260.0530.00313.50
7.0.250.0320.00613.75
7.0.240.1030.00713.64
7.0.230.0800.00313.54
7.0.220.0290.00913.87
7.0.210.0540.00713.44
7.0.200.0380.00713.61
7.0.190.0570.00413.72
7.0.180.0510.00013.67
7.0.170.0510.01413.53
7.0.160.0570.01313.60
7.0.150.0780.01013.68
7.0.140.0400.00513.33
7.0.130.0820.00713.75
7.0.120.0480.01313.75
7.0.110.0890.00613.49
7.0.100.0350.00313.82
7.0.90.0290.00313.66
7.0.80.0140.00713.84
7.0.70.1150.00613.66
7.0.60.0500.00313.53
7.0.50.0340.00614.00
7.0.40.0250.00413.79
7.0.30.0240.00813.86
7.0.20.0350.00413.72
7.0.10.0590.00813.72
7.0.00.0670.00013.81

preferences:
54.79 ms | 401 KiB | 5 Q