3v4l.org

run code in 300+ PHP versions simultaneously
<?php $format = 'Y-m-d'; $reqDate = date ( $format, strtotime ( '2014-03-30' ) )."\n"; echo $reqDate; // - 1 month echo date ( $format, strtotime ( '-2 month' . $reqDate ) );

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)
8.3.70.0130.01018.53
8.3.60.0060.01218.43
8.3.50.0070.01321.15
8.3.40.0100.01018.84
8.3.30.0030.01019.09
8.3.20.0040.00420.21
8.3.10.0040.00422.09
8.3.00.0040.00422.46
8.2.190.0120.00616.75
8.2.180.0110.01116.50
8.2.170.0000.01422.96
8.2.160.0000.01419.33
8.2.150.0040.00424.18
8.2.140.0050.00324.66
8.2.130.0000.00726.16
8.2.120.0070.00417.88
8.2.110.0000.00820.60
8.2.100.0040.00818.03
8.2.90.0000.00719.22
8.2.80.0000.00818.05
8.2.70.0030.00617.88
8.2.60.0080.00018.05
8.2.50.0080.00018.07
8.2.40.0070.00018.41
8.2.30.0030.00718.25
8.2.20.0040.00417.88
8.2.10.0000.00718.05
8.2.00.0040.00417.98
8.1.280.0070.00725.92
8.1.270.0090.00622.17
8.1.260.0040.00426.35
8.1.250.0080.00028.09
8.1.240.0110.00023.97
8.1.230.0000.01221.02
8.1.220.0050.00317.74
8.1.210.0030.00618.77
8.1.200.0030.00617.48
8.1.190.0040.00417.52
8.1.180.0000.00918.79
8.1.170.0040.00418.79
8.1.160.0040.00422.00
8.1.150.0000.00718.88
8.1.140.0040.00417.70
8.1.130.0030.00317.89
8.1.120.0020.00517.75
8.1.110.0040.00417.60
8.1.100.0040.00317.72
8.1.90.0040.00417.58
8.1.80.0040.00417.71
8.1.70.0000.00717.63
8.1.60.0000.00817.71
8.1.50.0000.00717.59
8.1.40.0000.00817.67
8.1.30.0000.00817.76
8.1.20.0000.00817.76
8.1.10.0020.00517.68
8.1.00.0080.00017.68
8.0.300.0070.00018.77
8.0.290.0060.00317.16
8.0.280.0070.00018.57
8.0.270.0040.00417.43
8.0.260.0040.00417.08
8.0.250.0040.00417.11
8.0.240.0070.00017.21
8.0.230.0000.00917.12
8.0.220.0000.00717.04
8.0.210.0000.00817.21
8.0.200.0040.00417.14
8.0.190.0070.00417.12
8.0.180.0070.00017.21
8.0.170.0040.00417.04
8.0.160.0000.00717.01
8.0.150.0050.00317.00
8.0.140.0040.00417.09
8.0.130.0060.00013.46
8.0.120.0040.00417.14
8.0.110.0080.00016.97
8.0.100.0000.00717.25
8.0.90.0030.00517.04
8.0.80.0000.01617.13
8.0.70.0040.00417.14
8.0.60.0030.00317.00
8.0.50.0000.00717.04
8.0.30.0060.01417.32
8.0.20.0170.00617.48
8.0.10.0080.00017.09
8.0.00.0090.00916.99
7.4.330.0030.00315.21
7.4.320.0030.00316.64
7.4.300.0030.00316.70
7.4.290.0040.00416.68
7.4.280.0060.00016.72
7.4.270.0060.00016.63
7.4.260.0000.00716.61
7.4.250.0050.00316.61
7.4.240.0020.00516.68
7.4.230.0000.00716.54
7.4.220.0130.01216.70
7.4.210.0060.00816.72
7.4.200.0030.00316.60
7.4.190.0000.00716.54
7.4.160.0150.00016.73
7.4.150.0060.01117.40
7.4.140.0100.00917.86
7.4.130.0080.01016.66
7.4.120.0100.00816.61
7.4.110.0130.01016.58
7.4.100.0100.00716.86
7.4.90.0090.00916.86
7.4.80.0030.01419.39
7.4.70.0110.00616.37
7.4.60.0030.01416.66
7.4.50.0030.00616.72
7.4.40.0090.00922.77
7.4.30.0040.01116.62
7.4.00.0000.01615.12
7.3.330.0030.00213.28
7.3.320.0020.00213.29
7.3.310.0030.00316.41
7.3.300.0030.00316.50
7.3.290.0090.00616.46
7.3.280.0090.00616.49
7.3.270.0130.00317.40
7.3.260.0080.01116.55
7.3.250.0080.00916.69
7.3.240.0000.01716.77
7.3.230.0110.01116.41
7.3.210.0140.00316.53
7.3.200.0100.00719.39
7.3.190.0090.00916.50
7.3.180.0140.00716.58
7.3.170.0050.01116.54
7.3.160.0100.00616.77
7.3.120.0000.01615.18
7.3.00.0060.00916.79
7.2.330.0130.00416.84
7.2.320.0000.01716.89
7.2.310.0170.00316.88
7.2.300.0070.01116.99
7.2.290.0120.00316.67
7.2.130.0030.00817.04
7.2.120.0130.00316.79
7.2.110.0090.00916.74
7.2.100.0070.01016.98
7.2.90.0070.01217.07
7.2.80.0000.01516.95
7.2.70.0080.00816.85
7.2.60.0080.00717.09
7.2.50.0030.00617.11
7.2.40.0060.00616.79
7.2.30.0080.01117.06
7.2.20.0090.00917.02
7.2.10.0130.01016.84
7.2.00.0030.01018.34
7.1.250.0090.00315.84
7.1.240.0070.00715.97
7.1.230.0060.00915.71
7.1.220.0090.00516.09
7.1.210.0040.01315.91
7.1.200.0080.00515.75
7.1.190.0120.00315.81
7.1.180.0090.00615.98
7.1.170.0030.01315.95
7.1.160.0140.00315.77
7.1.150.0070.01115.90
7.1.140.0090.00915.83
7.1.130.0070.01115.68
7.1.120.0040.01116.07
7.1.110.0090.01215.89
7.1.100.0060.00717.00
7.1.90.0100.00315.80
7.1.80.0100.00715.66
7.1.70.0040.00616.70
7.1.60.0070.01317.88
7.1.50.0070.01316.67
7.1.40.0060.00315.89
7.1.30.0060.00615.73
7.1.20.0070.00715.75
7.1.10.0110.00415.86
7.1.00.0070.04619.20
7.0.330.0070.00715.21
7.0.320.0100.00615.50
7.0.310.0080.01215.20
7.0.300.0120.00315.50
7.0.290.0000.01415.57
7.0.280.0160.00715.70
7.0.270.0180.00315.57
7.0.260.0180.00415.23
7.0.250.0000.01015.09
7.0.240.0070.00715.41
7.0.230.0130.00615.48
7.0.220.0070.00715.57
7.0.210.0100.01315.44
7.0.200.0130.00615.96
7.0.190.0070.00715.61
7.0.180.0110.00315.45
7.0.170.0040.00715.48
7.0.160.0070.00415.64
7.0.150.0080.00815.22
7.0.140.0040.03718.63
7.0.130.0030.01015.45
7.0.120.0110.00415.64
7.0.110.0060.00615.41
7.0.100.0120.04017.57
7.0.90.0090.02017.63
7.0.80.0070.03917.79
7.0.70.0050.03517.59
7.0.60.0080.04517.76
7.0.50.0040.02618.03
7.0.40.0040.02916.69
7.0.30.0030.03216.88
7.0.20.0080.04216.78
7.0.10.0050.04016.87
7.0.00.0050.03216.93
5.6.380.0080.00614.22
5.6.370.0040.01114.54
5.6.360.0040.01114.14
5.6.350.0000.01314.40
5.6.340.0030.01214.07
5.6.330.0030.00914.27
5.6.320.0100.00314.05
5.6.310.0100.00314.01
5.6.300.0000.00914.63
5.6.290.0030.00714.36
5.6.280.0020.04017.63
5.6.270.0080.00014.33
5.6.260.0100.00314.23
5.6.250.0020.02817.58
5.6.240.0090.02717.56
5.6.230.0060.02817.48
5.6.220.0050.04317.41
5.6.210.0100.04217.51
5.6.200.0090.04417.62
5.6.190.0070.03317.64
5.6.180.0050.03317.65
5.6.170.0080.02217.77
5.6.160.0060.03117.69
5.6.150.0030.04717.68
5.6.140.0040.04617.74
5.6.130.0050.04917.69
5.6.120.0050.02517.55
5.6.110.0050.02317.66
5.6.100.0060.04617.58
5.6.90.0090.02217.51
5.6.80.0090.04217.24
5.6.70.0030.02817.21
5.6.60.0070.03217.32
5.6.50.0030.03717.31
5.6.40.0050.04517.28
5.6.30.0070.04217.25
5.6.20.0030.03717.25
5.6.10.0070.03917.21
5.6.00.0070.04217.19
5.5.380.0100.03015.82
5.5.370.0030.04615.65
5.5.360.0080.04115.76
5.5.350.0040.04415.71
5.5.340.0060.02215.81
5.5.330.0040.04315.81
5.5.320.0080.03215.77
5.5.310.0060.03015.93
5.5.300.0030.02316.03
5.5.290.0050.04416.05
5.5.280.0070.04715.92
5.5.270.0020.02316.06
5.5.260.0000.04915.98
5.5.250.0030.04515.86
5.5.240.0050.04215.52
5.5.230.0080.01515.57
5.5.220.0050.04215.55
5.5.210.0000.02415.57
5.5.200.0030.04415.50
5.5.190.0050.03415.44
5.5.180.0050.04315.55
5.5.170.0090.00010.90
5.5.160.0040.02915.52
5.5.150.0090.03715.52
5.5.140.0090.04015.54
5.5.130.0060.03815.63
5.5.120.0020.04415.44
5.5.110.0070.04015.64
5.5.100.0050.04015.74
5.5.90.0070.02515.50
5.5.80.0090.03815.43
5.5.70.0050.04415.49
5.5.60.0040.02415.52
5.5.50.0050.04315.64
5.5.40.0040.04215.47
5.5.30.0070.02015.60
5.5.20.0050.02115.53
5.5.10.0050.03215.49
5.5.00.0050.04215.50
5.4.450.0030.04715.13
5.4.440.0090.02415.14
5.4.430.0100.03315.00
5.4.420.0030.02515.24
5.4.410.0030.04215.11
5.4.400.0030.02015.05
5.4.390.0060.03914.96
5.4.380.0030.02514.97
5.4.370.0090.02515.02
5.4.360.0030.02314.85
5.4.350.0080.03814.91
5.4.340.0090.03914.96
5.4.330.0000.00710.90
5.4.320.0000.05114.96
5.4.310.0080.03814.97
5.4.300.0070.02214.96
5.4.290.0070.03714.96
5.4.280.0070.03814.85
5.4.270.0100.02514.92
5.4.260.0100.01715.01
5.4.250.0050.02514.99
5.4.240.0070.03015.11
5.4.230.0020.02414.93
5.4.220.0040.03114.98
5.4.210.0030.04414.85
5.4.200.0040.04314.84
5.4.190.0020.04315.00
5.4.180.0060.02114.98
5.4.170.0070.02015.10
5.4.160.0130.03514.96
5.4.150.0040.03115.00
5.4.140.0070.03813.67
5.4.130.0020.03813.73
5.4.120.0070.02013.65
5.4.110.0050.02413.63
5.4.100.0060.02213.67
5.4.90.0070.02013.69
5.4.80.0000.02413.73
5.4.70.0090.03613.71
5.4.60.0020.03213.75
5.4.50.0090.01813.68
5.4.40.0050.04313.68
5.4.30.0060.02113.63
5.4.20.0030.04113.60
5.4.10.0020.02213.64
5.4.00.0030.03813.30
5.3.290.0080.04112.71
5.3.280.0080.03812.74
5.3.270.0070.02112.74
5.3.260.0070.03912.68
5.3.250.0070.03712.68
5.3.240.0080.02312.75
5.3.230.0060.03812.73
5.3.220.0050.02412.72
5.3.210.0120.03612.70
5.3.200.0060.03812.66
5.3.190.0040.02212.69
5.3.180.0060.02412.70
5.3.170.0040.02312.70
5.3.160.0090.04212.70
5.3.150.0060.02312.72
5.3.140.0030.02512.64
5.3.130.0140.03512.71
5.3.120.0060.02612.69
5.3.110.0080.03812.70
5.3.100.0100.02212.46
5.3.90.0090.02312.46
5.3.80.0030.03312.46
5.3.70.0060.01712.46
5.3.60.0060.03412.38
5.3.50.0080.02512.42
5.3.40.0050.02212.35
5.3.30.0040.02412.33
5.3.20.0070.03012.29
5.3.10.0050.02212.27
5.3.00.0070.03812.25
5.2.170.0050.01810.94
5.2.160.0040.03211.00
5.2.150.0020.02011.04
5.2.140.0060.03210.91
5.2.130.0060.01710.98
5.2.120.0070.03510.96
5.2.110.0090.03010.99
5.2.100.0060.03511.01
5.2.90.0080.02211.00
5.2.80.0060.01710.93
5.2.70.0070.03110.95
5.2.60.0110.02810.89
5.2.50.0060.01710.87
5.2.40.0060.01510.84
5.2.30.0090.03610.93
5.2.20.0040.02310.92
5.2.10.0020.02810.84
5.2.00.0050.03510.84
5.1.60.0050.02410.60
5.1.50.0080.01310.60
5.1.40.0070.02210.60
5.1.30.0070.02510.60
5.1.20.0070.03010.66
5.1.10.0040.01510.60
5.1.00.0050.01610.60
5.0.50.0020.01810.60
5.0.40.0030.01610.60
5.0.30.0060.03310.60
5.0.20.0050.02210.60
5.0.10.0020.01510.60
5.0.00.0030.03510.60
4.4.90.0030.01310.60
4.4.80.0030.01110.60
4.4.70.0030.01110.60
4.4.60.0030.01610.60
4.4.50.0030.00910.60
4.4.40.0050.01310.60
4.4.30.0030.01810.60
4.4.20.0040.01210.60
4.4.10.0000.01110.60
4.4.00.0050.02210.60
4.3.110.0050.01410.60
4.3.100.0000.01110.60
4.3.90.0000.01910.60
4.3.80.0010.02610.60
4.3.70.0030.01310.60
4.3.60.0020.02110.60
4.3.50.0040.01810.60
4.3.40.0030.02810.60
4.3.30.0030.00910.60
4.3.20.0020.02310.60
4.3.10.0040.01510.60
4.3.00.0000.01210.60

preferences:
45.16 ms | 401 KiB | 5 Q