3v4l.org

run code in 300+ PHP versions simultaneously
<?php $date = new DateTime('2016-05-31'); echo $date->format('Y-m-d') . PHP_EOL; echo $date->modify('-1 month')->format('Y-m-d') . PHP_EOL; echo PHP_EOL; $date = new DateTime('2016-05-31'); echo $date->format('Y-m-d') . PHP_EOL; echo $date->modify('+1 month')->format('Y-m-d') . PHP_EOL; echo PHP_EOL; $date = new DateTime('2016-07-01'); echo $date->format('Y-m-d') . PHP_EOL; echo $date->modify('-1 month')->format('Y-m-d') . PHP_EOL;

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)
8.3.60.0180.00316.50
8.3.50.0140.00016.39
8.3.40.0040.01118.84
8.3.30.0070.00718.89
8.3.20.0040.00420.34
8.3.10.0080.00021.77
8.3.00.0080.00019.36
8.2.180.0100.00316.63
8.2.170.0130.00722.96
8.2.160.0090.00620.47
8.2.150.0070.00024.18
8.2.140.0000.00824.66
8.2.130.0030.00519.50
8.2.120.0030.00526.35
8.2.110.0060.00320.60
8.2.100.0040.00818.03
8.2.90.0040.00419.17
8.2.80.0040.00418.05
8.2.70.0060.00617.75
8.2.60.0090.00018.16
8.2.50.0040.00419.67
8.2.40.0040.00420.48
8.2.30.0050.00321.14
8.2.20.0000.00718.08
8.2.10.0040.00418.03
8.2.00.0040.00418.23
8.1.280.0150.00625.92
8.1.270.0070.00023.99
8.1.260.0000.00726.35
8.1.250.0080.00028.09
8.1.240.0090.00022.14
8.1.230.0110.00019.13
8.1.220.0030.00517.79
8.1.210.0040.00418.77
8.1.200.0030.00617.60
8.1.190.0030.00617.48
8.1.180.0040.00418.10
8.1.170.0040.00419.02
8.1.160.0000.00819.21
8.1.150.0030.00620.79
8.1.140.0040.00719.70
8.1.130.0000.00719.03
8.1.120.0030.00517.76
8.1.110.0030.00517.57
8.1.100.0040.00417.71
8.1.90.0000.00817.63
8.1.80.0060.00317.68
8.1.70.0070.00017.61
8.1.60.0050.00317.68
8.1.50.0040.00417.71
8.1.40.0000.00717.61
8.1.30.0080.00017.76
8.1.20.0090.00017.71
8.1.10.0000.00817.83
8.1.00.0040.00417.80
8.0.300.0000.00820.13
8.0.290.0070.00016.88
8.0.280.0030.00318.53
8.0.270.0050.00217.44
8.0.260.0030.00717.14
8.0.250.0000.00717.26
8.0.240.0000.00817.16
8.0.230.0030.00617.23
8.0.220.0030.00317.03
8.0.210.0000.00717.18
8.0.200.0000.00617.11
8.0.190.0050.00317.24
8.0.180.0080.00017.11
8.0.170.0070.00017.18
8.0.160.0000.00817.23
8.0.150.0030.00517.15
8.0.140.0040.00417.10
8.0.130.0030.00313.50
8.0.120.0000.00817.05
8.0.110.0000.00817.12
8.0.100.0040.00417.17
8.0.90.0080.00017.03
8.0.80.0070.01017.19
8.0.70.0030.00516.95
8.0.60.0000.00717.05
8.0.50.0040.00417.00
8.0.30.0120.00617.28
8.0.20.0130.00717.40
8.0.10.0000.00717.04
8.0.00.0110.00816.89
7.4.330.0000.00715.55
7.4.320.0000.00716.65
7.4.300.0030.00316.77
7.4.290.0000.00716.61
7.4.280.0030.00516.63
7.4.270.0070.00016.77
7.4.260.0060.00316.77
7.4.250.0000.00716.59
7.4.240.0040.00416.52
7.4.230.0030.00316.56
7.4.220.0110.00716.63
7.4.210.0090.00716.73
7.4.200.0030.00516.85
7.4.160.0080.01116.66
7.4.150.0070.01017.40
7.4.140.0110.00717.86
7.4.130.0150.00316.67
7.4.120.0140.00616.76
7.4.110.0060.01016.70
7.4.100.0040.01216.69
7.4.90.0090.00816.74
7.4.80.0110.00519.39
7.4.70.0060.01216.72
7.4.60.0030.01316.72
7.4.50.0100.00316.59
7.4.40.0100.00716.41
7.4.30.0070.01016.43
7.4.00.0050.00814.97
7.3.330.0000.00513.30
7.3.320.0030.00313.33
7.3.310.0040.00416.26
7.3.300.0070.00016.41
7.3.290.0000.00716.40
7.3.280.0090.00916.40
7.3.270.0140.00317.40
7.3.260.0110.00516.79
7.3.250.0070.01116.53
7.3.240.0120.00816.55
7.3.230.0090.00916.89
7.3.210.0070.01016.59
7.3.200.0110.00816.50
7.3.190.0060.01116.71
7.3.180.0070.01016.63
7.3.170.0030.01216.81
7.3.160.0100.00616.52
7.2.330.0110.00616.93
7.2.320.0060.01216.78
7.2.310.0070.01016.58
7.2.300.0170.00317.06
7.2.290.0060.01116.68
7.2.60.0040.00417.04
7.2.00.0000.01519.86
7.1.200.0060.00615.95
7.1.100.0250.00717.83
7.1.70.0110.00417.40
7.1.60.0190.01035.12
7.1.50.0200.01034.89
7.1.40.0210.01534.39
7.1.30.0200.01534.59
7.1.20.0240.01934.71
7.1.10.0040.01216.71
7.1.00.0030.01616.55
7.0.200.0120.00316.91
7.0.190.0070.00616.77
7.0.180.0090.00716.39
7.0.170.0120.00616.19
7.0.160.0030.01216.19
7.0.150.0060.01116.35
7.0.140.0070.01116.43
7.0.130.0090.00616.49
7.0.120.0090.00616.55
7.0.110.0050.01216.48
7.0.100.0090.01016.36
7.0.90.0070.01116.16
7.0.80.0070.01016.34
7.0.70.0030.01416.44
7.0.60.0040.01216.10
7.0.50.0000.01416.38
7.0.40.0040.01116.44
7.0.30.0090.00616.55
7.0.20.0070.00716.52
7.0.10.0070.01116.51
7.0.00.0070.00816.49

preferences:
48.64 ms | 401 KiB | 5 Q