3v4l.org

run code in 300+ PHP versions simultaneously
<?php echo strtotime(date("Y-m-d", strtotime($date)) . " +1 month");

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)
8.3.40.0110.00418.98
8.3.30.0070.00719.08
8.3.20.0040.00420.29
8.3.10.0040.00423.36
8.3.00.0080.00022.43
8.2.170.0120.00322.96
8.2.160.0040.01122.25
8.2.150.0040.00424.18
8.2.140.0000.00824.66
8.2.130.0040.00426.16
8.2.120.0040.00419.49
8.2.110.0060.00322.37
8.2.100.0080.00417.91
8.2.90.0040.00419.35
8.2.80.0050.00317.97
8.2.70.0000.00817.75
8.2.60.0040.00417.91
8.2.50.0000.00818.07
8.2.40.0000.00818.22
8.2.30.0000.00718.13
8.2.20.0040.00417.77
8.2.10.0000.00919.68
8.2.00.0040.00417.82
8.1.270.0090.00022.26
8.1.260.0000.00826.35
8.1.250.0040.00428.09
8.1.240.0030.00623.98
8.1.230.0070.00419.22
8.1.220.0040.00417.74
8.1.210.0030.00518.77
8.1.200.0000.01017.48
8.1.190.0070.00017.53
8.1.180.0000.00818.10
8.1.170.0000.00818.72
8.1.160.0040.00422.06
8.1.150.0040.00418.84
8.1.140.0040.00417.55
8.1.130.0020.00517.94
8.1.120.0000.00717.69
8.1.110.0040.00417.54
8.1.100.0000.00717.59
8.1.90.0030.00517.64
8.1.80.0070.00017.67
8.1.70.0030.00317.63
8.1.60.0000.00817.71
8.1.50.0040.00417.64
8.1.40.0000.00817.62
8.1.30.0000.00917.74
8.1.20.0040.00417.64
8.1.10.0030.00517.52
8.1.00.0060.00317.64
8.0.300.0000.00718.77
8.0.290.0000.00717.05
8.0.280.0070.00018.42
8.0.270.0030.00317.32
8.0.260.0070.00016.99
8.0.250.0030.00517.23
8.0.240.0000.00717.11
8.0.230.0030.00317.25
8.0.220.0070.00017.17
8.0.210.0030.00317.10
8.0.200.0000.00717.20
8.0.190.0000.00717.21
8.0.180.0000.00717.18
8.0.170.0030.00517.18
8.0.160.0040.00417.12
8.0.150.0070.00017.14
8.0.140.0030.00617.00
8.0.130.0020.00513.48
8.0.120.0050.00317.11
8.0.110.0050.00317.07
8.0.100.0000.00717.23
8.0.90.0070.00017.03
8.0.80.0120.01217.09
8.0.70.0050.00217.10
8.0.60.0040.00417.10
8.0.50.0040.00417.07
8.0.30.0080.01217.17
8.0.20.0080.01117.40
8.0.10.0000.00717.25
8.0.00.0150.00716.98
7.4.330.0000.00615.09
7.4.320.0070.00016.66
7.4.300.0000.00716.66
7.4.290.0030.00316.59
7.4.280.0000.00716.55
7.4.270.0070.00016.56
7.4.260.0000.00716.49
7.4.250.0000.00716.61
7.4.240.0070.00016.54
7.4.230.0000.00816.62
7.4.220.0090.01016.60
7.4.210.0090.00516.73
7.4.200.0000.00716.78
7.4.190.0000.00716.75
7.4.160.0090.00616.74
7.4.150.0090.00917.40
7.4.140.0110.01017.86
7.4.130.0080.00816.51
7.4.120.0060.01016.67
7.4.110.0110.00716.45
7.4.100.0110.00616.64
7.4.90.0100.00716.53
7.4.80.0100.00816.79
7.4.70.0180.00316.39
7.4.60.0120.00616.81
7.4.50.0050.00316.45
7.4.40.0090.00622.77
7.4.30.0090.00616.77
7.4.00.0070.01015.33
7.3.330.0060.00013.35
7.3.320.0000.00613.42
7.3.310.0000.00716.27
7.3.300.0060.00016.44
7.3.290.0110.00316.47
7.3.280.0110.00616.46
7.3.270.0100.01317.40
7.3.260.0090.00916.73
7.3.250.0110.00716.64
7.3.240.0060.01516.59
7.3.230.0030.02016.55
7.3.210.0160.00616.86
7.3.200.0090.00919.39
7.3.190.0130.01016.69
7.3.180.0060.00916.64
7.3.170.0090.00616.79
7.3.160.0110.00616.71
7.3.120.0110.00315.21
7.2.330.0040.01416.64
7.2.320.0150.00616.55
7.2.310.0100.01016.81
7.2.300.0030.01316.92
7.2.290.0120.00416.91
7.1.100.0060.00918.43
7.1.70.0060.00317.29
7.1.60.0100.01619.24
7.1.50.0060.00617.17
7.1.00.0070.07322.43
7.0.200.0070.00216.82
7.0.140.0070.07022.04
7.0.100.0230.04720.01
7.0.90.0130.08019.89
7.0.80.0370.07019.97
7.0.70.0030.08319.95
7.0.60.0030.08319.85
7.0.50.0070.05020.30
7.0.40.0100.07720.14
7.0.30.0030.09020.09
7.0.20.0070.07720.15
7.0.10.0030.06720.09
7.0.00.0130.07320.02
5.6.280.0070.06721.03
5.6.250.0070.04020.53
5.6.240.0100.04720.50
5.6.230.0100.08320.74
5.6.220.0170.06320.58
5.6.210.0000.08320.56
5.6.200.0100.08721.11
5.6.190.0070.04021.07
5.6.180.0030.05720.94
5.6.170.0100.07720.95
5.6.160.0200.07321.02
5.6.150.0170.08020.95
5.6.140.0130.04021.16
5.6.130.0000.07021.00
5.6.120.0070.05721.02
5.6.110.0100.04721.09
5.6.100.0130.08321.08
5.6.90.0100.05720.90
5.6.80.0030.08320.41
5.6.70.0000.08020.41
5.6.60.0030.05020.35
5.6.50.0000.08020.31
5.6.40.0070.04720.38
5.6.30.0030.08320.36
5.6.20.0000.06720.45
5.6.10.0170.06320.38
5.6.00.0030.04720.41
5.5.380.0070.08020.39
5.5.370.0070.09020.41
5.5.360.0030.05320.34
5.5.350.0030.04320.43
5.5.340.0030.05720.91
5.5.330.0100.06020.75
5.5.320.0030.09020.86
5.5.310.0070.05020.76
5.5.300.0030.05320.71
5.5.290.0130.07720.73
5.5.280.0100.07720.86
5.5.270.0100.07020.71
5.5.260.0070.08720.80
5.5.250.0100.08020.58
5.5.240.0130.07020.11
5.5.230.0070.07720.13
5.5.220.0130.03020.25
5.5.210.0100.08020.27
5.5.200.0000.05320.17
5.5.190.0070.08020.13
5.5.180.0170.07020.13
5.5.160.0270.05020.18
5.5.150.0070.05320.16
5.5.140.0170.07320.16
5.5.130.0070.07320.22
5.5.120.0100.08320.07
5.5.110.0030.07020.23
5.5.100.0100.07719.94
5.5.90.0070.06020.11
5.5.80.0070.04320.14
5.5.70.0030.05320.03
5.5.60.0070.08019.93
5.5.50.0130.07319.95
5.5.40.0170.04020.13
5.5.30.0130.05720.07
5.5.20.0030.05020.01
5.5.10.0100.04320.04
5.5.00.0130.06320.06
5.4.450.0030.06019.23
5.4.440.0070.07319.27
5.4.430.0170.03719.15
5.4.420.0070.05019.13
5.4.410.0000.07318.98
5.4.400.0070.03719.13
5.4.390.0000.04719.23
5.4.380.0030.07319.13
5.4.370.0030.04718.81
5.4.360.0100.06019.14
5.4.350.0100.07719.05
5.4.340.0100.06018.81
5.4.320.0200.06719.11
5.4.310.0130.07019.12
5.4.300.0030.08019.11
5.4.290.0100.07019.04
5.4.280.0130.06319.12
5.4.270.0100.06718.96
5.4.260.0030.08318.89
5.4.250.0070.07718.93
5.4.240.0030.05319.11
5.4.230.0070.07319.22
5.4.220.0100.06319.10
5.4.210.0100.04318.96
5.4.200.0130.06718.99
5.4.190.0070.04318.77
5.4.180.0070.07719.08
5.4.170.0130.07019.22
5.4.160.0170.07318.76
5.4.150.0070.08019.10
5.4.140.0030.06316.34
5.4.130.0070.07716.42
5.4.120.0130.07016.41
5.4.110.0030.05016.50
5.4.100.0030.04716.29
5.4.90.0130.06316.36
5.4.80.0100.03716.41
5.4.70.0000.06016.45
5.4.60.0030.05316.23
5.4.50.0070.05016.23
5.4.40.0000.05016.23
5.4.30.0030.08316.45
5.4.20.0030.04016.20
5.4.10.0000.05316.40
5.4.00.0030.04015.71
5.3.290.0070.05014.52
5.3.280.0030.04014.58
5.3.270.0100.07014.56
5.3.260.0070.07314.44
5.3.250.0070.07714.54
5.3.240.0070.04014.59
5.3.230.0070.07714.56
5.3.220.0100.07014.41
5.3.210.0100.06714.46
5.3.200.0170.06314.54
5.3.190.0070.05714.56
5.3.180.0070.07314.42
5.3.170.0100.06714.52
5.3.160.0100.04714.42
5.3.150.0070.03314.54
5.3.140.0070.04014.37
5.3.130.0130.04014.55
5.3.120.0070.03714.49
5.3.110.0170.07014.52
5.3.100.0030.07013.94
5.3.90.0130.04313.96
5.3.80.0130.06713.97
5.3.70.0170.06313.97
5.3.60.0100.07013.77
5.3.50.0030.07313.94
5.3.40.0100.04713.71
5.3.30.0130.03313.89
5.3.20.0030.04013.54
5.3.10.0070.04713.66
5.3.00.0100.06313.63
5.2.170.0070.05710.96
5.2.160.0030.05011.09
5.2.150.0100.05311.15
5.2.140.0030.05011.08
5.2.130.0000.03711.05
5.2.120.0000.05011.04
5.2.110.0030.05311.13
5.2.100.0030.03011.16
5.2.90.0070.04011.09
5.2.80.0030.07010.93
5.2.70.0130.04311.07
5.2.60.0030.06711.09
5.2.50.0000.05311.02
5.2.40.0070.05710.98
5.2.30.0030.06010.79
5.2.20.0030.05310.87
5.2.10.0100.05310.80
5.2.00.0070.06010.61
5.1.60.0000.0579.98
5.1.50.0100.05010.06
5.1.40.0000.0439.97
5.1.30.0030.05710.26
5.1.20.0030.05310.43
5.1.10.0030.05710.11
5.1.00.0100.02310.06
5.0.50.0100.0439.13
5.0.40.0070.0409.13
5.0.30.0070.0579.13
5.0.20.0070.0439.13
5.0.10.0000.0409.13
5.0.00.0070.0639.13
4.4.90.0070.0309.13
4.4.80.0000.0339.13
4.4.70.0030.0279.13
4.4.60.0000.0379.13
4.4.50.0030.0309.13
4.4.40.0070.0409.13
4.4.30.0000.0379.13
4.4.20.0070.0339.13
4.4.10.0000.0339.13
4.4.00.0000.0539.13
4.3.110.0000.0409.13
4.3.100.0070.0279.13
4.3.90.0070.0179.13
4.3.80.0000.0339.13
4.3.70.0070.0139.13
4.3.60.0030.0179.13
4.3.50.0070.0279.13
4.3.40.0070.0379.13
4.3.30.0000.0339.13
4.3.20.0000.0279.13
4.3.10.0000.0279.13
4.3.00.0030.0239.13

preferences:
38.35 ms | 400 KiB | 5 Q