3v4l.org

run code in 300+ PHP versions simultaneously
<?php $utcTimezone = new \DateTimeZone('UTC'); $start_date = new \DateTime('NOW', $utcTimezone); $start_date->modify('+1 months'); echo $start_date->format('Y'); // 2017-01-01

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)
8.3.60.0040.01218.20
8.3.50.0100.00717.93
8.3.40.0090.00918.68
8.3.30.0110.00418.80
8.3.20.0070.00021.89
8.3.10.0050.00221.73
8.3.00.0080.00019.68
8.2.180.0150.00618.22
8.2.170.0090.00622.96
8.2.160.0040.01120.29
8.2.150.0000.00724.18
8.2.140.0040.00424.66
8.2.130.0050.00220.52
8.2.120.0040.00426.35
8.2.110.0070.00321.12
8.2.100.0040.00818.03
8.2.90.0050.00317.97
8.2.80.0080.00017.97
8.2.70.0080.00018.03
8.2.60.0080.00017.63
8.2.50.0040.00418.16
8.2.40.0000.00820.59
8.2.30.0040.00421.06
8.2.20.0050.00218.00
8.2.10.0000.00817.97
8.2.00.0000.00818.04
8.1.280.0150.00425.92
8.1.270.0080.00022.31
8.1.260.0040.00426.35
8.1.250.0000.00728.09
8.1.240.0110.00020.75
8.1.230.0110.00020.89
8.1.220.0080.00017.74
8.1.210.0000.00818.95
8.1.200.0080.00017.60
8.1.190.0030.00617.50
8.1.180.0070.00018.10
8.1.170.0000.00818.46
8.1.160.0040.00418.89
8.1.150.0000.00720.39
8.1.140.0040.00417.65
8.1.130.0000.00718.98
8.1.120.0030.00317.61
8.1.110.0040.00417.57
8.1.100.0050.00217.50
8.1.90.0040.00417.55
8.1.80.0030.00517.55
8.1.70.0030.00317.59
8.1.60.0030.00617.72
8.1.50.0060.00317.61
8.1.40.0030.00617.43
8.1.30.0000.00717.67
8.1.20.0080.00017.68
8.1.10.0050.00317.64
8.1.00.0030.00517.70
8.0.300.0000.00720.15
8.0.290.0050.00316.88
8.0.280.0070.00018.55
8.0.270.0000.00817.32
8.0.260.0080.00016.96
8.0.250.0030.00717.13
8.0.240.0000.00817.10
8.0.230.0040.00416.96
8.0.220.0030.00316.98
8.0.210.0030.00317.01
8.0.200.0050.00317.06
8.0.190.0030.00517.02
8.0.180.0020.00517.02
8.0.170.0060.00317.02
8.0.160.0000.00717.03
8.0.150.0000.00716.95
8.0.140.0000.00716.98
8.0.130.0050.00013.48
8.0.120.0000.00816.96
8.0.110.0070.00016.94
8.0.100.0050.00317.04
8.0.90.0000.00716.82
8.0.80.0000.01717.07
8.0.70.0080.00017.00
8.0.60.0070.00016.91
8.0.50.0030.00517.05
8.0.30.0100.00817.12
8.0.20.0090.01117.43
8.0.10.0070.00017.20
8.0.00.0110.00516.70
7.4.330.0000.00515.55
7.4.320.0030.00316.66
7.4.300.0050.00316.56
7.4.290.0040.00416.51
7.4.280.0070.00016.61
7.4.270.0030.00316.63
7.4.260.0050.00316.50
7.4.250.0000.00716.62
7.4.240.0050.00216.52
7.4.230.0030.00316.36
7.4.220.0050.00316.74
7.4.210.0150.00016.66
7.4.200.0000.00716.64
7.4.160.0090.00816.59
7.4.150.0300.01017.40
7.4.140.0090.00917.86
7.4.130.0150.00316.59
7.4.120.0110.01116.52
7.4.110.0130.00316.66
7.4.100.0190.00616.37
7.4.90.0000.01716.59
7.4.80.0140.00819.39
7.4.70.0110.00716.67
7.4.60.0090.00716.46
7.4.50.0030.01316.68
7.4.40.0130.00316.82
7.4.00.0070.00714.84
7.3.330.0050.00013.09
7.3.320.0030.00313.14
7.3.310.0030.00316.24
7.3.300.0030.00316.43
7.3.290.0080.01216.32
7.3.280.0080.00716.31
7.3.270.0110.00717.40
7.3.260.0100.00816.45
7.3.240.0060.01216.43
7.3.230.0070.01016.43
7.3.210.0130.00316.35
7.3.200.0070.01016.45
7.3.190.0030.01316.44
7.3.180.0110.00716.52
7.3.170.0110.00616.48
7.3.160.0080.00816.39
7.3.10.0140.00816.02
7.3.00.0100.00716.42
7.2.330.0060.01116.62
7.2.320.0060.01216.45
7.2.310.0160.00816.50
7.2.300.0090.00916.64
7.2.290.0110.01116.69
7.2.130.0100.01016.46
7.2.120.0140.00716.56
7.2.110.0100.00716.70
7.2.100.0140.00316.39
7.2.90.0140.00716.90
7.2.80.0140.00716.74
7.2.70.0120.01216.88
7.2.60.0130.00716.73
7.2.50.0190.00916.66
7.2.40.0180.00716.49
7.2.30.0170.00716.85
7.2.20.0120.01018.11
7.2.10.0160.00418.19
7.2.00.0080.01118.44
7.1.250.0060.00915.71
7.1.200.0120.00315.56
7.1.140.0070.00918.89
7.1.130.0030.01418.71
7.1.120.0080.00918.72
7.1.110.0070.00918.21
7.1.100.0120.01317.93
7.1.90.0070.01418.23
7.1.80.0110.01318.40
7.1.70.0080.01316.93
7.1.60.0240.01235.05
7.1.50.0230.01434.69
7.1.40.0260.01734.60
7.1.30.0320.01334.47
7.1.20.0240.02134.69
7.1.10.0090.00916.72
7.1.00.0050.01416.64

preferences:
61.2 ms | 400 KiB | 5 Q