3v4l.org

run code in 300+ PHP versions simultaneously
<?php $time = strtotime(date('Y-m').'-01'); echo date('Y-m-d',$time); echo '<br>'.$final = date("Y-m-d", strtotime("-1 month", $time));

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)
8.3.60.0120.00918.56
8.3.50.0120.00822.09
8.3.40.0040.01118.80
8.3.30.0120.00318.92
8.3.20.0040.00418.89
8.3.10.0050.00321.05
8.3.00.0000.00721.80
8.2.180.0130.00618.66
8.2.170.0100.00722.96
8.2.160.0070.00720.38
8.2.150.0050.00224.18
8.2.140.0000.00824.66
8.2.130.0030.00526.16
8.2.120.0080.00021.09
8.2.110.0050.00520.64
8.2.100.0040.00817.84
8.2.90.0040.00419.38
8.2.80.0040.00417.97
8.2.70.0050.00317.59
8.2.60.0060.00318.16
8.2.50.0090.00018.07
8.2.40.0050.00318.33
8.2.30.0020.00521.49
8.2.20.0040.00417.83
8.2.10.0050.00317.91
8.2.00.0050.00517.91
8.1.280.0140.00425.92
8.1.270.0000.00723.99
8.1.260.0100.01026.35
8.1.250.0040.00428.09
8.1.240.0030.00622.59
8.1.230.0070.00420.97
8.1.220.0080.00018.77
8.1.210.0060.00318.84
8.1.200.0060.00317.38
8.1.190.0060.00317.64
8.1.180.0040.00418.10
8.1.170.0030.00718.87
8.1.160.0040.00419.06
8.1.150.0000.00818.88
8.1.140.0000.00717.61
8.1.130.0040.00417.95
8.1.120.0000.00717.70
8.1.110.0040.00417.69
8.1.100.0030.00517.59
8.1.90.0030.00317.60
8.1.80.0040.00417.72
8.1.70.0030.00317.70
8.1.60.0000.00817.73
8.1.50.0060.00317.54
8.1.40.0050.00317.59
8.1.30.0040.00417.76
8.1.20.0040.00417.66
8.1.10.0000.00717.65
8.1.00.0040.00717.55
8.0.300.0040.00419.87
8.0.290.0000.00717.30
8.0.280.0030.00518.52
8.0.270.0030.00517.33
8.0.260.0030.00317.00
8.0.250.0040.00417.22
8.0.240.0040.00417.18
8.0.230.0030.00317.23
8.0.220.0000.00817.04
8.0.210.0000.00717.03
8.0.200.0030.00317.12
8.0.190.0070.00017.11
8.0.180.0040.00417.20
8.0.170.0030.00317.14
8.0.160.0080.00017.17
8.0.150.0040.00417.07
8.0.140.0040.00316.95
8.0.130.0000.00513.50
8.0.120.0020.00517.14
8.0.110.0030.00616.96
8.0.100.0030.00316.97
8.0.90.0040.00417.17
8.0.80.0060.00917.03
8.0.70.0040.00417.14
8.0.60.0070.00017.07
8.0.50.0080.00017.14
8.0.30.0110.01117.13
8.0.20.0050.01517.50
8.0.10.0000.00716.99
8.0.00.0050.01416.89
7.4.330.0000.00516.71
7.4.320.0040.00416.59
7.4.300.0000.00716.68
7.4.290.0000.00716.71
7.4.280.0030.00616.60
7.4.270.0000.00816.61
7.4.260.0000.00513.36
7.4.250.0060.00316.70
7.4.240.0030.00316.59
7.4.230.0000.00716.84
7.4.220.0060.01316.54
7.4.210.0050.00916.65
7.4.200.0000.00816.62
7.4.190.0020.00516.89
7.4.160.0080.00816.67
7.4.150.0080.00817.40
7.4.140.0100.00717.86
7.4.130.0080.01016.82
7.4.120.0110.00616.59
7.4.110.0100.00716.59
7.4.100.0060.01316.55
7.4.90.0100.01016.72
7.4.80.0100.00719.39
7.4.70.0050.01116.76
7.4.60.0100.00716.60
7.4.50.0000.00716.68
7.4.40.0090.00622.77
7.4.30.0120.00616.67
7.4.00.0130.00315.28
7.3.330.0030.00313.13
7.3.320.0030.00313.10
7.3.310.0000.00716.33
7.3.300.0070.00016.42
7.3.290.0000.01516.31
7.3.280.0090.00716.39
7.3.270.0080.01617.40
7.3.260.0170.00418.24
7.3.250.0120.00716.38
7.3.240.0060.01016.43
7.3.230.0090.00916.55
7.3.210.0100.01316.59
7.3.200.0070.01119.39
7.3.190.0160.00616.51
7.3.180.0090.01116.76
7.3.170.0070.01016.35
7.3.160.0120.00316.33
7.3.120.0090.00615.18
7.2.330.0130.00717.03
7.2.320.0110.01116.96
7.2.310.0030.01316.75
7.2.300.0130.00316.68
7.2.290.0160.00316.96
7.2.00.0000.01319.70
7.1.70.0040.00417.23
7.1.60.0000.01217.50
7.1.50.0100.01317.15
7.1.00.0070.07322.36
7.0.200.0030.00717.05
7.0.140.0030.07322.00
7.0.100.0130.07719.89
7.0.90.0070.07019.94
7.0.80.0130.05719.91
7.0.70.0070.05019.88
7.0.60.0070.05319.96
7.0.50.0100.04020.34
7.0.40.0100.07719.96
7.0.30.0070.07020.17
7.0.20.0100.08719.92
7.0.10.0030.06320.07
7.0.00.0100.04720.10
5.6.280.0000.07720.77
5.6.250.0100.04020.68
5.6.240.0030.08320.72
5.6.230.0100.08020.74
5.6.220.0030.06020.49
5.6.210.0070.06720.64
5.6.200.0070.05021.11
5.6.190.0070.08721.16
5.6.180.0230.06321.03
5.6.170.0070.05020.95
5.6.160.0130.04021.10
5.6.150.0070.08721.04
5.6.140.0170.07321.16
5.6.130.0100.05321.04
5.6.120.0100.04721.07
5.6.110.0100.07721.07
5.6.100.0070.08721.00
5.6.90.0130.08321.03
5.6.80.0070.06720.41
5.6.70.0170.07020.50
5.6.60.0100.07720.45
5.6.50.0070.07320.34
5.6.40.0100.06020.45
5.6.30.0100.08020.46
5.6.20.0100.06020.42
5.6.10.0070.07720.39
5.6.00.0100.07320.37
5.5.380.0100.07720.33
5.5.370.0100.04020.56
5.5.360.0130.07320.38
5.5.350.0100.08020.41
5.5.340.0030.04320.92
5.5.330.0100.03720.88
5.5.320.0100.05320.80
5.5.310.0130.07020.63
5.5.300.0130.04020.72
5.5.290.0030.08020.80
5.5.280.0070.05020.88
5.5.270.0030.05020.87
5.5.260.0100.07720.77
5.5.250.0130.07720.73
5.5.240.0100.07720.16
5.5.230.0030.06020.10
5.5.220.0070.07720.13
5.5.210.0070.04720.23
5.5.200.0030.07020.16
5.5.190.0130.07020.17
5.5.180.0130.07320.21
5.5.160.0170.06720.07
5.5.150.0070.03720.23
5.5.140.0030.05720.17
5.5.130.0070.06319.98
5.5.120.0000.07720.13
5.5.110.0100.08020.22
5.5.100.0070.04020.06
5.5.90.0030.08020.16
5.5.80.0130.03720.03
5.5.70.0000.04720.05
5.5.60.0100.04320.06
5.5.50.0070.03720.15
5.5.40.0100.03320.05
5.5.30.0030.04720.07
5.5.20.0030.04020.04
5.5.10.0000.04320.03
5.5.00.0030.04320.01
5.4.450.0030.08019.14
5.4.440.0030.08719.25
5.4.430.0000.08719.48
5.4.420.0030.04719.33
5.4.410.0070.06019.43
5.4.400.0100.06319.10
5.4.390.0100.07719.03
5.4.380.0130.06719.23
5.4.370.0100.07319.07
5.4.360.0070.03719.03
5.4.350.0100.03319.09
5.4.340.0070.04319.04
5.4.320.0070.07319.04
5.4.310.0070.07319.16
5.4.300.0030.04018.96
5.4.290.0030.08318.80
5.4.280.0030.04319.04
5.4.270.0070.05018.83
5.4.260.0070.07719.12
5.4.250.0170.06719.06
5.4.240.0070.03718.93
5.4.230.0200.03018.93
5.4.220.0100.03319.06
5.4.210.0000.04319.04
5.4.200.0070.03719.02
5.4.190.0070.04019.22
5.4.180.0000.04318.77
5.4.170.0070.05019.07
5.4.160.0000.04018.77
5.4.150.0030.03718.79
5.4.140.0030.03716.33
5.4.130.0030.03316.33
5.4.120.0030.06316.41
5.4.110.0100.04016.38
5.4.100.0070.03716.26
5.4.90.0170.06316.51
5.4.80.0000.07316.24
5.4.70.0100.05716.38
5.4.60.0030.06016.29
5.4.50.0070.02716.33
5.4.40.0030.03716.37
5.4.30.0030.04316.23
5.4.20.0030.03716.30
5.4.10.0030.05016.17
5.4.00.0030.05715.72
5.3.290.0100.07014.62
5.3.280.0030.04314.54
5.3.270.0130.02314.60
5.3.260.0030.03714.59
5.3.250.0070.03714.51
5.3.240.0070.03714.58
5.3.230.0070.03014.55
5.3.220.0030.03314.42
5.3.210.0030.04014.48
5.3.200.0100.04314.55
5.3.190.0030.04714.52
5.3.180.0100.03014.52
5.3.170.0070.04014.42
5.3.160.0070.03314.57
5.3.150.0000.08314.50
5.3.140.0070.03314.55
5.3.130.0000.04714.41
5.3.120.0070.04714.40
5.3.110.0030.03714.50
5.3.100.0130.03013.99
5.3.90.0000.03713.84
5.3.80.0030.03713.87
5.3.70.0030.06313.88
5.3.60.0100.03014.01
5.3.50.0030.03313.71
5.3.40.0000.03713.92
5.3.30.0070.03713.68
5.3.20.0070.04313.65
5.3.10.0030.03313.66
5.3.00.0070.03713.49
5.2.170.0070.03011.06
5.2.160.0130.02311.18
5.2.150.0030.03011.14
5.2.140.0030.02711.06
5.2.130.0030.03011.05
5.2.120.0030.03010.96
5.2.110.0030.03011.06
5.2.100.0070.03311.09
5.2.90.0030.03011.09
5.2.80.0030.03311.05
5.2.70.0030.02711.09
5.2.60.0030.03011.08
5.2.50.0030.02711.00
5.2.40.0000.03010.98
5.2.30.0030.02711.01
5.2.20.0000.03710.95
5.2.10.0000.02710.93
5.2.00.0000.03310.64
5.1.60.0000.02710.02
5.1.50.0030.02310.07
5.1.40.0030.02310.05
5.1.30.0000.03010.38
5.1.20.0030.03010.26
5.1.10.0000.02710.05
5.1.00.0000.02710.10
5.0.50.0000.0279.14
5.0.40.0030.0179.14
5.0.30.0000.0339.14
5.0.20.0030.0179.14
5.0.10.0000.0309.14
5.0.00.0000.0309.14
4.4.90.0000.0139.14
4.4.80.0030.0309.14
4.4.70.0000.0279.14
4.4.60.0000.0179.14
4.4.50.0000.0179.14
4.4.40.0000.0279.14
4.4.30.0030.0139.14
4.4.20.0000.0179.14
4.4.10.0000.0179.14
4.4.00.0030.0239.14
4.3.110.0000.0139.14
4.3.100.0000.0139.14
4.3.90.0030.0139.14
4.3.80.0000.0239.14
4.3.70.0000.0279.14
4.3.60.0030.0339.14
4.3.50.0000.0409.14
4.3.40.0000.0509.14
4.3.30.0000.0339.14
4.3.20.0000.0409.14
4.3.10.0000.0339.14
4.3.00.0000.0309.14

preferences:
59.43 ms | 401 KiB | 5 Q