3v4l.org

run code in 300+ PHP versions simultaneously
<?php echo strtotime("last Monday of -1 month 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)
8.3.70.0070.01116.75
8.3.60.0060.00918.43
8.3.50.0100.00718.00
8.3.40.0100.01018.83
8.3.30.0130.00618.84
8.3.20.0070.00019.15
8.3.10.0050.00219.21
8.3.00.0070.00023.52
8.2.190.0090.00616.75
8.2.180.0140.00418.38
8.2.170.0090.00922.96
8.2.160.0070.00719.38
8.2.150.0080.00024.18
8.2.140.0030.00624.66
8.2.130.0090.00619.76
8.2.120.0070.00026.35
8.2.110.0090.00020.65
8.2.100.0080.00419.88
8.2.90.0050.00317.88
8.2.80.0080.00019.05
8.2.70.0030.00517.93
8.2.60.0060.00318.05
8.2.50.0000.00818.10
8.2.40.0000.00819.52
8.2.30.0070.00019.49
8.2.20.0000.00718.11
8.2.10.0070.00018.05
8.2.00.0080.00019.49
8.1.280.0040.01125.92
8.1.270.0000.00922.11
8.1.260.0080.00026.35
8.1.250.0050.00328.09
8.1.240.0090.00021.08
8.1.230.0030.00920.95
8.1.220.0030.00617.76
8.1.210.0030.00518.77
8.1.200.0060.00317.36
8.1.190.0040.00417.35
8.1.180.0040.00418.10
8.1.170.0080.00018.59
8.1.160.0000.00818.75
8.1.150.0040.00418.84
8.1.140.0000.00817.68
8.1.130.0000.00719.11
8.1.120.0000.00917.56
8.1.110.0000.00917.57
8.1.100.0060.00317.50
8.1.90.0030.00317.54
8.1.80.0030.00317.50
8.1.70.0030.00317.57
8.1.60.0040.00417.59
8.1.50.0000.00817.55
8.1.40.0040.00417.55
8.1.30.0000.00817.70
8.1.20.0000.00717.74
8.1.10.0040.00417.49
8.1.00.0030.00517.51
8.0.300.0030.00318.99
8.0.290.0000.00716.88
8.0.280.0020.00518.45
8.0.270.0030.00417.24
8.0.260.0090.00017.28
8.0.250.0030.00317.14
8.0.240.0040.00417.11
8.0.230.0030.00517.04
8.0.220.0030.00517.00
8.0.210.0040.00417.02
8.0.200.0060.00317.16
8.0.190.0040.00417.07
8.0.180.0040.00417.04
8.0.170.0090.00017.10
8.0.160.0000.00816.92
8.0.150.0080.00016.86
8.0.140.0050.00316.86
8.0.130.0050.00013.36
8.0.120.0040.00416.95
8.0.110.0040.00416.92
8.0.100.0040.00416.82
8.0.90.0040.00416.86
8.0.80.0080.01017.01
8.0.70.0000.00717.13
8.0.60.0000.00717.05
8.0.50.0050.00316.82
8.0.30.0100.00917.08
8.0.20.0090.01117.43
8.0.10.0000.00717.06
8.0.00.0100.01116.92
7.4.330.0030.00315.55
7.4.320.0000.00616.49
7.4.300.0030.00316.62
7.4.290.0070.00016.65
7.4.280.0030.00316.70
7.4.270.0040.00416.57
7.4.260.0070.00016.45
7.4.250.0000.00716.51
7.4.240.0040.00416.68
7.4.230.0000.00716.46
7.4.220.0050.00316.46
7.4.210.0070.00916.60
7.4.200.0000.00716.76
7.4.160.0100.00616.60
7.4.140.0140.00617.86
7.4.130.0130.01016.65
7.4.120.0090.01016.60
7.4.110.0100.01016.54
7.4.100.0070.01016.76
7.4.90.0130.00316.71
7.4.80.0070.01619.39
7.4.70.0110.00616.51
7.4.60.0030.01816.78
7.4.50.0070.01016.49
7.4.40.0170.00416.64
7.3.330.0000.00613.14
7.3.320.0060.00013.22
7.3.310.0050.00216.33
7.3.300.0030.00316.31
7.3.290.0030.00316.38
7.3.280.0070.00916.33
7.3.260.0110.00816.49
7.3.240.0130.00516.51
7.3.230.0070.01116.42
7.3.210.0140.00416.58
7.3.200.0110.00516.78
7.3.190.0110.00916.48
7.3.180.0040.01216.57
7.3.170.0030.01716.66
7.3.160.0090.00816.75
7.2.330.0090.00916.75
7.2.320.0000.01716.57
7.2.310.0170.02016.86
7.2.300.0100.00616.53
7.2.290.0080.00816.69

preferences:
44.69 ms | 401 KiB | 5 Q