3v4l.org

run code in 300+ PHP versions simultaneously
<?php $data = strtotime("first day of this month year 2015"); echo $data; echo strtotime($data . " -1 year");

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)
8.3.60.0140.00718.56
8.3.50.0110.00721.27
8.3.40.0030.01618.89
8.3.30.0070.00718.88
8.3.20.0000.00720.16
8.3.10.0040.00423.59
8.3.00.0070.00023.66
8.2.180.0070.00716.63
8.2.170.0150.00022.96
8.2.160.0060.01019.47
8.2.150.0000.00824.18
8.2.140.0040.00424.66
8.2.130.0030.00620.77
8.2.120.0000.00726.35
8.2.110.0060.00322.39
8.2.100.0070.00417.97
8.2.90.0030.00619.17
8.2.80.0050.00317.97
8.2.70.0030.00617.75
8.2.60.0030.00618.05
8.2.50.0000.00818.09
8.2.40.0050.00320.60
8.2.30.0070.00019.45
8.2.20.0040.00417.87
8.2.10.0070.00018.18
8.2.00.0000.00818.12
8.1.280.0100.00625.92
8.1.270.0120.00322.32
8.1.260.0040.00428.09
8.1.250.0050.00228.09
8.1.240.0100.00022.42
8.1.230.0080.00422.60
8.1.220.0040.00417.88
8.1.210.0050.00318.77
8.1.200.0030.00617.38
8.1.190.0040.00417.48
8.1.180.0000.00818.10
8.1.170.0040.00418.68
8.1.160.0040.00420.74
8.1.150.0000.00818.96
8.1.140.0080.00019.60
8.1.130.0000.00717.72
8.1.120.0000.00717.63
8.1.110.0000.00817.63
8.1.100.0040.00417.67
8.1.90.0000.00917.70
8.1.80.0070.00017.65
8.1.70.0000.00817.70
8.1.60.0040.00417.61
8.1.50.0080.00017.71
8.1.40.0040.00417.55
8.1.30.0060.00317.85
8.1.20.0040.00417.70
8.1.10.0000.00717.67
8.1.00.0040.00417.68
8.0.300.0070.00019.91
8.0.290.0000.00816.88
8.0.280.0000.00818.57
8.0.270.0030.00317.38
8.0.260.0060.00317.38
8.0.250.0030.00317.14
8.0.240.0000.00817.28
8.0.230.0040.00417.23
8.0.220.0030.00617.15
8.0.210.0020.00517.03
8.0.200.0030.00317.10
8.0.190.0040.00417.14
8.0.180.0040.00417.09
8.0.170.0030.00517.12
8.0.160.0040.00417.18
8.0.150.0050.00217.02
8.0.140.0050.00217.02
8.0.130.0000.00713.51
8.0.120.0000.00817.09
8.0.110.0070.00017.01
8.0.100.0040.00417.15
8.0.90.0040.00416.99
8.0.80.0090.00617.07
8.0.70.0000.00716.99
8.0.60.0000.00817.18
8.0.50.0040.00417.01
8.0.30.0100.01117.21
8.0.20.0040.01617.42
8.0.10.0040.00417.25
8.0.00.0080.00916.91
7.4.330.0050.00016.98
7.4.320.0070.00016.59
7.4.300.0040.00416.55
7.4.290.0000.00716.69
7.4.280.0060.00316.59
7.4.270.0000.00716.66
7.4.260.0030.00316.59
7.4.250.0050.00316.50
7.4.240.0080.00016.71
7.4.230.0070.00016.80
7.4.220.0100.01216.68
7.4.210.0100.00516.59
7.4.200.0040.00416.70
7.4.160.0030.01316.70
7.4.150.0150.00317.40
7.4.140.0110.00917.86
7.4.130.0130.00616.63
7.4.120.0100.00916.68
7.4.110.0130.01016.66
7.4.100.0070.01016.61
7.4.90.0070.01016.62
7.4.80.0060.01319.39
7.4.70.0070.01016.65
7.4.60.0060.00916.77
7.4.50.0120.00316.73
7.4.40.0070.01016.70
7.4.30.0070.01016.69
7.4.00.0070.01014.92
7.3.330.0060.00013.12
7.3.320.0050.00013.27
7.3.310.0000.00816.53
7.3.300.0040.00416.44
7.3.290.0090.00816.36
7.3.280.0090.01016.36
7.3.270.0120.00617.40
7.3.260.0150.00316.66
7.3.250.0100.00816.59
7.3.240.0100.00716.80
7.3.230.0100.00716.71
7.3.210.0110.00616.56
7.3.200.0030.01419.39
7.3.190.0140.00716.66
7.3.180.0150.00916.59
7.3.170.0080.01416.74
7.3.160.0060.00916.68
7.3.120.0100.00714.97
7.3.110.0040.01414.86
7.3.100.0100.00714.91
7.3.90.0080.00615.06
7.3.80.0030.00615.16
7.3.70.0090.00615.11
7.3.60.0070.00715.11
7.3.50.0030.01214.93
7.3.40.0070.00714.96
7.3.30.0120.00314.67
7.3.20.0060.01316.52
7.3.10.0000.00916.59
7.3.00.0040.01116.91
7.2.330.0170.00316.95
7.2.320.0090.00916.83
7.2.310.0140.01016.72
7.2.300.0120.00616.95
7.2.290.0070.01616.89
7.2.250.0000.01815.27
7.2.240.0030.01415.47
7.2.230.0040.01115.18
7.2.220.0090.00315.14
7.2.210.0040.01114.98
7.2.200.0110.00415.30
7.2.190.0070.01114.93
7.2.180.0060.00615.04
7.2.170.0070.00715.21
7.2.60.0090.00617.21
7.2.00.0080.00419.58
7.1.330.0000.01215.96
7.1.320.0040.00715.98
7.1.310.0100.00315.87
7.1.300.0030.01015.96
7.1.290.0070.00415.77
7.1.280.0030.01015.98
7.1.270.0090.00916.04
7.1.260.0070.00716.08
7.1.200.0000.01115.91
7.1.100.0000.01218.18
7.1.70.0070.00017.12
7.1.60.0100.01419.28
7.1.50.0060.01617.14
7.1.00.0100.08322.35
7.0.200.0000.01116.86
7.0.60.0070.07721.77
7.0.50.0100.07717.93
7.0.40.0070.04019.90
7.0.30.0230.08020.09
7.0.20.0270.05020.16
7.0.10.0130.08020.16
7.0.00.0070.06020.01
5.6.280.0070.07020.81
5.6.210.0170.05020.52
5.6.200.0070.07318.20
5.6.190.0030.04320.60
5.6.180.0170.04020.32
5.6.170.0070.05020.52
5.6.160.0100.05020.42
5.6.150.0070.08018.12
5.6.140.0100.06018.11
5.6.130.0070.07718.15
5.6.120.0070.06720.89
5.6.110.0070.07721.00
5.6.100.0070.05721.03
5.6.90.0100.06720.96
5.6.80.0170.03720.52
5.5.350.3100.04020.38
5.5.340.0100.07317.96
5.5.330.0070.09020.57
5.5.320.0470.04020.51
5.5.310.0330.07720.23
5.5.300.0070.08017.92
5.5.290.0070.09017.98
5.5.280.0030.08320.72
5.5.270.0100.04020.87
5.5.260.0100.08020.83
5.5.250.0070.07020.70
5.5.240.0170.03320.04

preferences:
75.99 ms | 401 KiB | 5 Q