3v4l.org

run code in 300+ PHP versions simultaneously
<?php echo strtotime('first day of 2015'); echo PHP_EOL; echo strtotime('2015-01-01');

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)
8.3.60.0100.01016.63
8.3.50.0140.00321.99
8.3.40.0000.01418.82
8.3.30.0090.00618.84
8.3.20.0040.00420.21
8.3.10.0040.00423.71
8.3.00.0060.00319.38
8.2.180.0040.01116.38
8.2.170.0100.01022.96
8.2.160.0070.00720.38
8.2.150.0100.00024.18
8.2.140.0050.00224.66
8.2.130.0040.00426.16
8.2.120.0100.00017.50
8.2.110.0070.00321.01
8.2.100.0120.00017.93
8.2.90.0000.00719.26
8.2.80.0000.00817.97
8.2.70.0040.00417.61
8.2.60.0040.00417.93
8.2.50.0080.00018.07
8.2.40.0040.00419.46
8.2.30.0050.00320.66
8.2.20.0000.00817.76
8.2.10.0070.00017.90
8.2.00.0040.00418.04
8.1.280.0070.01125.92
8.1.270.0060.00323.88
8.1.260.0040.00426.35
8.1.250.0080.00028.09
8.1.240.0090.00019.03
8.1.230.0060.00617.66
8.1.220.0030.00517.74
8.1.210.0040.00718.77
8.1.200.0060.00317.48
8.1.190.0030.00517.35
8.1.180.0040.00418.10
8.1.170.0050.00318.62
8.1.160.0040.00422.01
8.1.150.0000.00718.87
8.1.140.0040.00419.41
8.1.130.0000.00817.73
8.1.120.0000.00717.47
8.1.110.0070.00317.39
8.1.100.0050.00317.54
8.1.90.0020.00517.46
8.1.80.0000.00717.56
8.1.70.0070.00017.54
8.1.60.0030.00617.52
8.1.50.0050.00317.59
8.1.40.0040.00717.46
8.1.30.0080.00017.51
8.1.20.0040.00417.63
8.1.10.0000.00817.54
8.1.00.0050.00317.57
8.0.300.0050.00318.77
8.0.290.0040.00416.88
8.0.280.0000.00718.44
8.0.270.0000.00717.19
8.0.260.0030.00317.26
8.0.250.0000.00717.04
8.0.240.0000.00816.97
8.0.230.0070.00017.00
8.0.220.0030.00316.95
8.0.210.0000.00916.90
8.0.200.0000.00617.04
8.0.190.0040.00417.04
8.0.180.0040.00416.87
8.0.170.0030.00516.84
8.0.160.0000.00716.93
8.0.150.0070.00016.92
8.0.140.0040.00416.94
8.0.130.0030.00313.27
8.0.120.0040.00416.91
8.0.110.0000.00816.91
8.0.100.0080.00016.78
8.0.90.0040.00417.02
8.0.80.0000.01416.88
8.0.70.0040.00416.84
8.0.60.0040.00416.85
8.0.50.0040.00416.93
8.0.30.0100.00817.14
8.0.20.0100.00917.40
8.0.10.0040.00417.08
8.0.00.0090.00816.87
7.4.330.0000.00615.08
7.4.320.0000.00616.46
7.4.300.0030.00316.50
7.4.290.0000.00716.45
7.4.280.0040.00416.44
7.4.270.0000.00716.61
7.4.260.0030.00316.45
7.4.250.0000.00716.52
7.4.240.0020.00516.57
7.4.230.0030.00316.39
7.4.220.0120.00616.45
7.4.210.0060.01116.61
7.4.200.0030.00316.67
7.4.160.0120.00416.48
7.4.150.0070.01017.40
7.4.140.0100.00817.86
7.4.130.0070.01016.42
7.4.120.0090.01316.62
7.4.110.0100.00716.65
7.4.100.0090.01516.54
7.4.90.0130.00416.61
7.4.80.0160.00619.39
7.4.70.0110.00716.63
7.4.60.0110.00716.62
7.4.50.0040.00416.34
7.4.40.0060.01016.44
7.4.30.0070.01416.76
7.4.00.0070.01014.85
7.3.330.0050.00013.09
7.3.320.0060.00013.00
7.3.310.0070.00016.31
7.3.300.0000.00716.17
7.3.290.0070.00016.28
7.3.280.0100.00916.23
7.3.270.0100.01017.40
7.3.260.0080.00816.61
7.3.250.0130.00516.66
7.3.240.0120.00916.34
7.3.230.0030.01616.44
7.3.210.0120.00416.30
7.3.200.0080.00816.52
7.3.190.0030.01316.44
7.3.180.0090.00616.37
7.3.170.0130.00616.27
7.3.160.0060.00916.49
7.3.10.0190.00316.65
7.3.00.0040.00816.76
7.2.330.0100.00716.54
7.2.320.0070.01416.84
7.2.310.0040.01216.32
7.2.300.0080.01416.42
7.2.290.0030.01416.75
7.2.130.0150.01216.82
7.2.120.0200.00716.99
7.2.110.0130.01316.97
7.2.100.0210.00016.95
7.2.90.0000.01617.04
7.2.80.0280.00716.83
7.2.70.0140.00716.52
7.2.60.0110.00916.97
7.2.50.0140.01016.82
7.2.40.0190.00616.59
7.2.30.0160.01017.03
7.2.20.0130.01317.05
7.2.10.0160.01616.87
7.2.00.0170.00518.11
7.1.250.0160.00615.87
7.1.200.0120.00315.77
7.1.100.0060.00918.15
7.1.70.0030.00516.91
7.1.60.0140.01119.43
7.1.50.0000.02016.96
7.1.00.0000.08022.48
7.0.200.0680.01014.55
7.0.60.0070.07719.92
7.0.50.0070.08017.80
7.0.40.0070.08720.32
7.0.30.0270.07020.04
7.0.20.0330.06020.13
7.0.10.0000.07320.12
7.0.00.0000.04719.99
5.6.280.0070.02720.88
5.6.210.0070.08320.54
5.6.200.0100.04018.23
5.6.190.0030.07020.28
5.6.180.0500.07020.78
5.6.170.0200.04020.51
5.6.160.0000.07320.37
5.6.150.0070.08018.13
5.6.140.0030.05718.15
5.6.130.0100.07718.09
5.6.120.0030.08321.14
5.6.110.0070.08320.96
5.6.100.0070.04020.97
5.6.90.0070.08720.96
5.6.80.0070.08020.50
5.5.350.0300.08020.39
5.5.340.0070.06717.96
5.5.330.0130.07720.14
5.5.320.0170.04720.13
5.5.310.0300.05720.20
5.5.300.0130.08017.98
5.5.290.0030.06017.96
5.5.280.0030.09020.81
5.5.270.0100.04020.75
5.5.260.0070.08720.86
5.5.250.0000.08720.75
5.5.240.0130.06720.03
5.4.450.0670.05319.59
5.4.440.0700.04719.54
5.4.430.0630.05019.10
5.4.420.0530.06019.31
5.4.410.0670.04719.19
5.4.400.0600.05019.14
5.4.390.0630.04019.24
5.4.380.0600.04319.10
5.4.370.0600.04319.15
5.4.360.0500.05019.00
5.4.350.0500.05319.32
5.4.340.0500.05318.81
5.4.320.0530.05018.81
5.4.310.0500.05018.78
5.4.300.0530.04718.95
5.4.290.0870.06019.15
5.4.280.0570.05718.82
5.4.270.0670.05719.14
5.4.260.0770.06318.77
5.4.250.0670.04019.14
5.4.240.0530.04718.91
5.4.230.0500.05319.15
5.4.220.0700.04319.29
5.4.210.0600.04318.91
5.4.200.0670.07018.99
5.4.190.0730.04319.23
5.4.180.0530.05019.14
5.4.170.0730.04319.14
5.4.160.0700.05719.10
5.4.150.0630.05719.28
5.4.140.0570.05316.44
5.4.130.0430.05716.47
5.4.120.0500.05016.54
5.4.110.0470.05316.34
5.4.100.0500.04716.52
5.4.90.0500.04716.51
5.4.80.0600.03716.48
5.4.70.0500.04716.11
5.4.60.0630.06316.09
5.4.50.0570.04016.49
5.4.40.0570.04316.45
5.4.30.0570.04316.16
5.4.20.0630.04016.53
5.4.10.0600.04016.49
5.4.00.0700.05315.64

preferences:
40.86 ms | 401 KiB | 5 Q