3v4l.org

run code in 300+ PHP versions simultaneously
<?php function add_weeks($weeks = 1, $base = 'now') { // normalise base to a unix timestamp if (!is_string($base)) { $base = intval($base); } else { $base = strtotime($base); } // get the date one week from the base $result = strtotime(sprintf("@{$base} +{$weeks} weeks", $base, $weeks)); // if it falls in a different month, get the last day of the base month if (date('n', $base) !== date('n', $result)) { $result = strtotime("last day of " . date('Y-m', $base)); } return $result; } echo date('Y-m-d', add_weeks(1)) . "\n"; echo date('Y-m-d', add_weeks(2)) . "\n"; echo date('Y-m-d', add_weeks(1, '2012-06-18')) . "\n"; echo date('Y-m-d', add_weeks(2, '2012-06-18')) . "\n";

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)
8.3.40.0120.00318.88
8.3.30.0090.00618.84
8.3.20.0040.00418.94
8.3.10.0050.00321.09
8.3.00.0040.00421.82
8.2.170.0120.00322.96
8.2.160.0130.00320.56
8.2.150.0000.00824.18
8.2.140.0000.00824.66
8.2.130.0040.00426.16
8.2.120.0040.00420.93
8.2.110.0070.00322.25
8.2.100.0030.00917.97
8.2.90.0000.00819.34
8.2.80.0050.00317.97
8.2.70.0090.00017.75
8.2.60.0040.00417.93
8.2.50.0030.00618.10
8.2.40.0050.00520.34
8.2.30.0070.00019.45
8.2.20.0040.00417.93
8.2.10.0030.00517.84
8.2.00.0070.00417.96
8.1.270.0100.00723.99
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0000.00922.66
8.1.230.0060.00617.93
8.1.220.0030.00617.91
8.1.210.0040.00418.77
8.1.200.0000.00917.48
8.1.190.0030.00517.50
8.1.180.0050.00318.10
8.1.170.0030.00718.82
8.1.160.0040.00422.27
8.1.150.0000.00818.96
8.1.140.0000.00817.73
8.1.130.0040.00418.02
8.1.120.0040.00417.77
8.1.110.0050.00317.66
8.1.100.0030.00517.69
8.1.90.0070.00017.78
8.1.80.0070.00017.64
8.1.70.0030.00317.66
8.1.60.0050.00317.68
8.1.50.0050.00317.59
8.1.40.0080.00017.75
8.1.30.0060.00317.91
8.1.20.0040.00417.83
8.1.10.0090.00017.81
8.1.00.0000.01117.77
8.0.300.0070.00020.02
8.0.290.0060.00316.88
8.0.280.0040.00418.57
8.0.270.0050.00217.51
8.0.260.0030.00317.13
8.0.250.0050.00217.14
8.0.240.0000.00917.16
8.0.230.0040.00417.28
8.0.220.0070.00017.16
8.0.210.0030.00517.09
8.0.200.0000.00717.16
8.0.190.0000.00717.23
8.0.180.0040.00417.21
8.0.170.0000.00817.11
8.0.160.0070.00017.09
8.0.150.0040.00417.07
8.0.140.0070.00017.21
8.0.130.0030.00313.50
8.0.120.0000.00717.15
8.0.110.0040.00417.24
8.0.100.0050.00217.20
8.0.90.0070.00017.05
8.0.80.0040.01117.16
8.0.70.0070.00017.02
8.0.60.0000.00717.21
8.0.50.0000.00817.13
8.0.30.0070.01717.39
8.0.20.0060.01217.40
8.0.10.0040.00417.27
8.0.00.0090.00916.92
7.4.330.0000.00516.88
7.4.320.0030.00316.64
7.4.300.0000.00716.74
7.4.290.0030.00316.75
7.4.280.0000.00716.64
7.4.270.0070.00016.69
7.4.260.0000.00613.46
7.4.250.0080.00016.72
7.4.240.0000.00816.71
7.4.230.0030.00316.57
7.4.220.0000.01816.54
7.4.210.0050.01116.87
7.4.200.0030.00316.64
7.4.190.0030.00316.96
7.4.160.0030.01216.84
7.4.150.0040.01317.40
7.4.140.0090.01317.86
7.4.130.0160.00316.89
7.4.120.0120.00916.65
7.4.110.0060.01116.81
7.4.100.0150.00416.88
7.4.90.0130.00616.86
7.4.80.0100.00919.39
7.4.70.0100.00616.70
7.4.60.0130.00716.89
7.4.50.0030.00516.67
7.4.40.0110.00422.77
7.4.30.0090.00916.88
7.4.00.0030.01015.41
7.3.330.0000.00513.59
7.3.320.0000.00613.34
7.3.310.0030.00316.42
7.3.300.0030.00316.38
7.3.290.0080.01216.50
7.3.280.0070.00916.53
7.3.270.0100.00717.40
7.3.260.0110.00718.24
7.3.250.0080.01016.67
7.3.240.0130.00716.88
7.3.230.0060.01116.89
7.3.210.0140.00316.63
7.3.200.0140.00419.39
7.3.190.0130.01016.90
7.3.180.0120.00616.39
7.3.170.0110.00616.66
7.3.160.0130.00316.75
7.3.120.0120.00415.00
7.2.330.0070.01016.91
7.2.320.0030.01516.71
7.2.310.0090.01716.93
7.2.300.0100.00717.03
7.2.290.0090.00916.94
7.1.70.0030.00617.24
7.1.60.0080.00819.17
7.1.50.0000.01417.35
7.1.00.0000.03722.57
7.0.200.0160.00016.70
7.0.140.0000.08022.13
7.0.100.0100.08019.94
7.0.90.0300.05319.87
7.0.80.0430.08319.91
7.0.70.0500.07719.86
7.0.60.0430.06019.94
7.0.50.0430.07020.34
7.0.40.0070.08019.96
7.0.30.0070.08720.03
7.0.20.0070.08720.11
7.0.10.0070.05020.04
7.0.00.0100.06320.14
5.6.280.0000.07721.04
5.6.250.0200.07320.58
5.6.240.0130.06020.64
5.6.230.0130.08020.61
5.6.220.0100.07720.57
5.6.210.0030.08720.51
5.6.200.0030.05021.14
5.6.190.0100.04721.02
5.6.180.0100.07321.03
5.6.170.0030.05021.00
5.6.160.0070.08021.02
5.6.150.0070.08321.11
5.6.140.0000.04721.02
5.6.130.0070.07721.01
5.6.120.0070.08721.07
5.6.110.0130.08020.95
5.6.100.0100.07021.12
5.6.90.0030.06021.07
5.6.80.0030.05320.35
5.6.70.0200.07020.48
5.6.60.0130.04020.33
5.6.50.0170.06720.49
5.6.40.0070.08320.40
5.6.30.0100.07720.50
5.6.20.0100.05020.37
5.6.10.0270.05720.49
5.6.00.0070.08020.37
5.5.380.0030.07720.45
5.5.370.0030.08720.38
5.5.360.0070.04720.51
5.5.350.0030.07720.41
5.5.340.0130.08020.92
5.5.330.0030.08020.86
5.5.320.0100.07020.65
5.5.310.0070.08320.89
5.5.300.0100.05720.75
5.5.290.0170.06320.91
5.5.280.0070.08720.83
5.5.270.0070.05320.77
5.5.260.0070.08020.87
5.5.250.0070.08020.57
5.5.240.0070.06020.27
5.5.230.0130.06020.29
5.5.220.0130.03720.20
5.5.210.0100.07720.17
5.5.200.0130.08020.24
5.5.190.0100.08020.08
5.5.180.0000.05020.13
5.5.160.0100.07720.16
5.5.150.0030.06020.26
5.5.140.0100.07720.28
5.5.130.0070.06020.23
5.5.120.0130.04020.23
5.5.110.0070.08020.22
5.5.100.0170.06019.96
5.5.90.0030.05020.04
5.5.80.0070.06720.16
5.5.70.0100.08020.00
5.5.60.0070.03720.06
5.5.50.0000.08320.15
5.5.40.0170.07020.06
5.5.30.0130.03720.06
5.5.20.0100.07720.09
5.5.10.0130.08020.13
5.5.00.0000.08719.97
5.4.450.0000.08719.47
5.4.440.0130.07719.20
5.4.430.0000.05319.26
5.4.420.0070.07719.50
5.4.410.0000.05019.43
5.4.400.0070.07718.93
5.4.390.0200.06018.93
5.4.380.0070.07319.13
5.4.370.0170.07018.95
5.4.360.0130.08019.12
5.4.350.0030.08319.12
5.4.340.0100.07319.13
5.4.320.0070.06019.10
5.4.310.0200.06019.13
5.4.300.0100.06319.02
5.4.290.0130.07019.08
5.4.280.0100.04019.23
5.4.270.0100.07318.90
5.4.260.0100.05318.90
5.4.250.0070.06019.02
5.4.240.0030.07319.04
5.4.230.0200.07018.91
5.4.220.0130.05718.93
5.4.210.0070.07318.86
5.4.200.0000.08319.02
5.4.190.0070.07019.11
5.4.180.0070.05719.22
5.4.170.0030.07718.95
5.4.160.0070.04019.11
5.4.150.0100.04718.85
5.4.140.0100.03716.41
5.4.130.0000.06716.13
5.4.120.0000.07716.44
5.4.110.0070.06716.43
5.4.100.0070.05716.44
5.4.90.0100.06316.36
5.4.80.0030.07716.32
5.4.70.0070.04316.48
5.4.60.0000.08016.22
5.4.50.0170.06016.31
5.4.40.0100.06316.54
5.4.30.0070.07316.40
5.4.20.0070.07716.30
5.4.10.0130.06716.47
5.4.00.0030.07715.81
5.3.290.0030.07314.80
5.3.280.0130.03714.48
5.3.270.0130.04014.64
5.3.260.0070.06314.66
5.3.250.0030.07314.60
5.3.240.0000.04314.57
5.3.230.0100.03314.58
5.3.220.0000.04714.53
5.3.210.0030.08014.55
5.3.200.0070.07014.57
5.3.190.0070.07714.55
5.3.180.0170.04014.65
5.3.170.0070.07014.62
5.3.160.0070.07314.66
5.3.150.0030.05014.63
5.3.140.0070.07314.62
5.3.130.0130.06314.57
5.3.120.0030.07714.69
5.3.110.0200.06014.58
5.3.100.0230.06314.11
5.3.90.0070.07313.96
5.3.80.0100.07014.13
5.3.70.0070.04713.95
5.3.60.0100.07014.00
5.3.50.0030.04714.00
5.3.40.0070.07314.00
5.3.30.0070.07313.90
5.3.20.0000.06013.70
5.3.10.0130.06313.64
5.3.00.0100.07713.75
5.2.170.0130.04011.28
5.2.160.0070.06011.28
5.2.150.0130.02711.28
5.2.140.0100.05711.28
5.2.130.0100.05711.28
5.2.120.0100.05711.28
5.2.110.0100.06011.28
5.2.100.0100.06011.28
5.2.90.0030.06711.28
5.2.80.0070.06011.28
5.2.70.0070.06011.28
5.2.60.0070.07011.28
5.2.50.0070.06011.28
5.2.40.0030.06011.28
5.2.30.0030.05711.28
5.2.20.0030.06011.28
5.2.10.0000.06311.28
5.2.00.0030.06311.28
5.1.60.0030.05711.28
5.1.50.0070.04011.28
5.1.40.0000.05011.28
5.1.30.0000.06311.28
5.1.20.0100.06311.28
5.1.10.0000.05711.28
5.1.00.0030.04011.28
5.0.50.0030.04011.28
5.0.40.0100.03711.28
5.0.30.0070.06311.28
5.0.20.0100.04011.28
5.0.10.0070.02311.28
5.0.00.0000.03711.28
4.4.90.0100.03011.28
4.4.80.0070.03011.28
4.4.70.0000.02711.28
4.4.60.0030.03711.28
4.4.50.0000.03711.28
4.4.40.0030.05711.28
4.4.30.0100.03011.28
4.4.20.0030.03311.28
4.4.10.0030.03311.28
4.4.00.0030.04311.28
4.3.110.0070.03311.28
4.3.100.0000.02711.28
4.3.90.0070.02311.28
4.3.80.0030.05011.28
4.3.70.0000.03011.28
4.3.60.0070.02311.28
4.3.50.0070.01011.28
4.3.40.0030.02311.28
4.3.30.0030.01711.28
4.3.20.0000.01711.28
4.3.10.0000.02011.28
4.3.00.0030.01711.28

preferences:
50.3 ms | 400 KiB | 5 Q