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 ( '-1 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)
8.3.60.0140.00418.68
8.3.50.0120.00621.99
8.3.40.0070.01118.84
8.3.30.0040.01119.09
8.3.20.0080.00020.34
8.3.10.0040.00421.95
8.3.00.0040.00422.50
8.2.180.0090.00616.88
8.2.170.0110.00422.96
8.2.160.0080.00619.35
8.2.150.0040.00424.18
8.2.140.0080.00024.66
8.2.130.0000.00726.16
8.2.120.0160.00019.40
8.2.110.0080.00022.15
8.2.100.0060.00619.76
8.2.90.0080.00019.22
8.2.80.0060.00318.05
8.2.70.0000.00817.75
8.2.60.0000.00818.05
8.2.50.0040.00418.07
8.2.40.0040.00418.28
8.2.30.0040.00418.07
8.2.20.0040.00417.80
8.2.10.0000.00717.97
8.2.00.0040.00417.86
8.1.280.0110.00425.92
8.1.270.0030.00522.32
8.1.260.0110.00426.35
8.1.250.0000.00728.09
8.1.240.0040.00423.79
8.1.230.0040.00819.18
8.1.220.0080.00017.79
8.1.210.0060.00318.77
8.1.200.0000.00917.47
8.1.190.0050.00317.63
8.1.180.0030.00518.90
8.1.170.0050.00318.95
8.1.160.0000.00822.11
8.1.150.0030.00618.92
8.1.140.0050.00517.80
8.1.130.0070.00017.86
8.1.120.0000.00717.67
8.1.110.0040.00417.75
8.1.100.0000.00717.73
8.1.90.0080.00017.73
8.1.80.0020.00517.68
8.1.70.0070.00017.66
8.1.60.0030.00617.65
8.1.50.0080.00017.64
8.1.40.0000.00817.64
8.1.30.0040.00417.74
8.1.20.0050.00317.79
8.1.10.0030.00617.73
8.1.00.0040.00417.65
8.0.300.0090.00018.77
8.0.290.0000.00717.18
8.0.280.0030.00318.54
8.0.270.0030.00417.43
8.0.260.0040.00417.08
8.0.250.0030.00317.23
8.0.240.0030.00317.14
8.0.230.0030.00617.18
8.0.220.0040.00417.05
8.0.210.0020.00517.03
8.0.200.0000.00617.26
8.0.190.0030.00417.25
8.0.180.0030.00317.05
8.0.170.0060.00317.16
8.0.160.0000.00717.11
8.0.150.0030.00317.05
8.0.140.0000.00717.07
8.0.130.0000.00613.54
8.0.120.0030.00516.98
8.0.110.0040.00417.08
8.0.100.0020.00517.06
8.0.90.0040.00417.21
8.0.80.0070.01417.07
8.0.70.0040.00417.02
8.0.60.0080.00016.99
8.0.50.0040.00416.95
8.0.30.0110.00817.20
8.0.20.0140.00517.40
8.0.10.0040.00417.00
8.0.00.0070.01016.81
7.4.330.0030.00315.14
7.4.320.0030.00316.66
7.4.300.0000.00716.75
7.4.290.0000.00716.68
7.4.280.0030.00516.64
7.4.270.0070.00016.63
7.4.260.0000.00716.63
7.4.250.0040.00416.61
7.4.240.0020.00516.70
7.4.230.0000.00716.64
7.4.220.0160.00916.81
7.4.210.0040.01216.73
7.4.200.0030.00316.71
7.4.190.0030.00316.83
7.4.160.0100.01316.75
7.4.150.0120.00617.40
7.4.140.0120.00817.86
7.4.130.0090.00816.58
7.4.120.0070.00916.72
7.4.110.0030.01316.55
7.4.100.0030.01416.60
7.4.90.0090.00916.69
7.4.80.0070.01019.39
7.4.70.0100.01316.56
7.4.60.0080.01116.70
7.4.50.0090.00016.54
7.4.40.0040.01422.77
7.4.30.0100.00616.67
7.4.00.0060.01014.79
7.3.330.0000.00513.20
7.3.320.0000.00513.21
7.3.310.0030.00316.55
7.3.300.0060.00016.37
7.3.290.0070.00716.47
7.3.280.0070.00816.41
7.3.270.0120.00617.40
7.3.260.0140.00816.33
7.3.250.0120.00716.84
7.3.240.0120.00616.70
7.3.230.0030.01416.47
7.3.210.0060.01216.77
7.3.200.0150.00319.39
7.3.190.0120.00916.71
7.3.180.0040.01116.61
7.3.170.0090.01116.86
7.3.160.0100.00616.58
7.3.120.0030.01215.12
7.3.10.0150.01016.90
7.3.00.0160.00616.89
7.2.330.0130.00616.64
7.2.320.0060.01116.98
7.2.310.0090.01216.66
7.2.300.0060.00916.68
7.2.290.0180.00316.57
7.2.130.0140.01016.88
7.2.120.0090.00917.04
7.2.110.0110.01116.99
7.2.100.0110.00317.11
7.2.90.0100.00717.07
7.2.80.0070.01017.27
7.2.70.0110.00717.28
7.2.60.0160.00316.95
7.2.50.0100.00617.08
7.2.40.0100.00317.04
7.2.30.0110.00817.13
7.2.20.0040.01216.99
7.2.10.0100.00717.11
7.2.00.0110.00718.39
7.1.250.0000.01316.25
7.1.200.0040.01115.83
7.1.100.0030.01218.29
7.1.70.0030.00917.59
7.1.60.0090.01519.82
7.1.50.0110.01417.27
7.1.00.0000.07722.54
7.0.200.0000.00817.07
7.0.140.0030.07322.04
7.0.80.0000.04319.89
7.0.70.0200.04319.91
7.0.60.0030.06719.83
7.0.50.0100.04720.30
7.0.40.0070.03720.01
7.0.30.0130.08319.99
7.0.20.0030.04320.08
7.0.10.0070.04020.08
7.0.00.0070.07020.04
5.6.280.0070.06721.09
5.6.230.0000.05020.67
5.6.220.0070.04320.47
5.6.210.0000.04320.73
5.6.200.0070.04021.02
5.6.190.0070.04021.07
5.6.180.0100.05020.93
5.6.170.0070.03720.99
5.6.160.0200.07021.00
5.6.150.0130.07321.10
5.6.140.0100.06321.12
5.6.130.0100.08021.16
5.6.120.0100.08320.97
5.6.110.0100.07721.02
5.6.100.0070.04721.05
5.6.90.0170.07020.99
5.6.80.0030.08020.44
5.6.70.0030.08320.25
5.6.60.0200.04320.50
5.6.50.0170.07320.38
5.6.40.0100.07720.29
5.6.30.0130.07720.40
5.6.20.0000.08020.43
5.6.10.0130.04720.38
5.6.00.0070.07720.43
5.5.370.0030.04020.48
5.5.360.0070.03720.43
5.5.350.0000.04320.34
5.5.340.0070.04020.88
5.5.330.0030.04020.79
5.5.320.0100.05720.87
5.5.310.0070.08020.91
5.5.300.0100.08020.82
5.5.290.0070.08720.88
5.5.280.0230.07020.79
5.5.270.0030.09020.87
5.5.260.0070.06020.79
5.5.250.0100.05020.73
5.5.240.0030.04720.27
5.5.230.0070.08320.16
5.5.220.0070.07020.25
5.5.210.0100.07020.24
5.5.200.0030.08320.17
5.5.190.0070.07720.17
5.5.180.0100.08320.14
5.5.160.0100.08320.10
5.5.150.0070.07320.25
5.5.140.0070.05320.16
5.5.130.0030.08020.21
5.5.120.0100.08020.22
5.5.110.0170.07020.16
5.5.100.0130.07720.05
5.5.90.0100.07020.06
5.5.80.0200.06020.07
5.5.70.0070.08020.03
5.5.60.0130.07320.09
5.5.50.0070.06719.93
5.5.40.0130.03720.13
5.5.30.0070.07019.94
5.5.20.0100.08020.07
5.5.10.0130.07320.07
5.5.00.0070.07320.02
5.4.450.0070.05319.23
5.4.440.0100.07319.45
5.4.430.0070.07319.36
5.4.420.0070.08019.11
5.4.410.0070.07319.28
5.4.400.0030.08318.98
5.4.390.0070.07718.80
5.4.380.0070.07318.90
5.4.370.0030.07719.02
5.4.360.0070.07019.11
5.4.350.0030.08319.14
5.4.340.0170.05319.03
5.4.320.0100.06019.03
5.4.310.0100.07718.79
5.4.300.0030.07719.23
5.4.290.0000.06019.02
5.4.280.0100.07019.04
5.4.270.0070.07318.90
5.4.260.0030.07318.94
5.4.250.0100.07019.02
5.4.240.0000.05319.12
5.4.230.0030.08018.80
5.4.220.0070.07718.96
5.4.210.0070.07719.04
5.4.200.0030.08318.97
5.4.190.0100.07019.19
5.4.180.0030.08019.04
5.4.170.0070.06718.80
5.4.160.0130.05718.92
5.4.150.0070.04319.12
5.4.140.0100.06716.32
5.4.130.0070.07316.41
5.4.120.0070.03716.41
5.4.110.0000.04016.41
5.4.100.0100.04016.48
5.4.90.0030.04716.49
5.4.80.0030.06716.27
5.4.70.0070.06316.47
5.4.60.0070.05016.29
5.4.50.0100.03716.31
5.4.40.0030.05316.26
5.4.30.0030.07716.27
5.4.20.0100.07016.41
5.4.10.0070.07316.24
5.4.00.0030.04015.81
5.3.290.0070.08314.53
5.3.280.0100.06314.55
5.3.270.0070.08314.44
5.3.260.0100.07714.61
5.3.250.0030.07714.56
5.3.240.0100.07014.46
5.3.230.0130.07714.45
5.3.220.0100.06714.55
5.3.210.0100.03714.54
5.3.200.0030.08014.54
5.3.190.0100.07014.52
5.3.180.0100.06714.54
5.3.170.0100.07014.55
5.3.160.0100.07714.42
5.3.150.0100.07314.41
5.3.140.0070.06714.54
5.3.130.0000.04314.45
5.3.120.0100.03314.40
5.3.110.0070.06314.50
5.3.100.0030.08014.03
5.3.90.0130.03713.88
5.3.80.0030.06713.86
5.3.70.0130.07014.00
5.3.60.0070.07313.76
5.3.50.0000.07013.91
5.3.40.0070.08013.93
5.3.30.0030.07713.76
5.3.20.0030.05313.68
5.3.10.0070.04313.64
5.3.00.0100.05313.49

preferences:
35.22 ms | 400 KiB | 5 Q