3v4l.org

run code in 300+ PHP versions simultaneously
<?php function datediffInWeeks($date1, $date2) { if($date1 > $date2) return datediffInWeeks($date2, $date1); $first = DateTime::createFromFormat('m/d/Y', $date1); $second = DateTime::createFromFormat('m/d/Y', $date2); return floor($first->diff($second)->days/7); } var_dump(datediffInWeeks('1/2/2013', '6/4/2013'));// 21 var_dump(datediffInWeeks('6/4/2013', '1/2/2013'));// 21

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)
8.4.120.0130.00620.52
8.4.110.0290.00920.18
8.4.100.0230.00517.85
8.4.90.0190.00818.26
8.4.80.0210.00817.71
8.4.70.0090.00717.98
8.4.60.0150.00818.15
8.4.50.0160.00717.65
8.4.40.0180.00518.51
8.4.30.0120.00617.74
8.4.20.0150.00917.63
8.4.10.0130.00617.62
8.3.250.0040.00418.82
8.3.240.0120.00516.81
8.3.230.0170.00616.37
8.3.220.0160.00516.72
8.3.210.0130.00316.53
8.3.200.0130.00416.52
8.3.190.0140.00716.63
8.3.180.0150.00817.29
8.3.170.0120.00517.64
8.3.160.0160.00618.27
8.3.150.0150.00616.34
8.3.140.0140.00216.79
8.3.130.0110.00517.39
8.3.120.0110.00618.52
8.3.110.0160.00316.53
8.3.100.0150.00620.18
8.3.90.0160.00621.49
8.3.80.0120.00616.74
8.3.70.0180.00516.45
8.3.60.0170.00516.45
8.3.50.0150.00720.30
8.3.40.0190.00218.33
8.3.30.0150.00318.29
8.3.20.0110.00418.95
8.3.10.0110.00620.54
8.3.00.0110.00619.11
8.2.290.0140.00518.42
8.2.280.0130.00917.47
8.2.270.0130.00717.75
8.2.260.0120.00317.63
8.2.250.0200.00217.60
8.2.240.0140.00116.80
8.2.230.0130.00218.57
8.2.220.0110.00427.00
8.2.210.0120.00421.46
8.2.200.0110.00417.33
8.2.190.0110.00616.39
8.2.180.0110.00717.45
8.2.170.0160.00420.32
8.2.160.0120.00419.00
8.2.150.0150.00723.63
8.2.140.0120.00420.89
8.2.130.0100.00621.42
8.2.120.0130.00419.21
8.2.110.0100.00819.06
8.2.100.0140.00618.15
8.2.90.0070.00918.20
8.2.80.0070.00918.20
8.2.70.0100.00830.26
8.2.60.0140.00330.36
8.2.50.0120.00527.22
8.2.40.0120.00426.22
8.2.30.0130.00326.08
8.2.20.0090.00726.03
8.2.10.0110.00423.84
8.2.00.0090.00725.09
8.1.330.0140.00418.88
8.1.320.0130.00616.15
8.1.310.0190.00917.31
8.1.300.0180.00618.21
8.1.290.0210.00423.42
8.1.280.0210.00721.07
8.1.270.0160.00521.20
8.1.260.0150.00722.01
8.1.250.0190.00522.58
8.1.240.0170.00419.99
8.1.230.0160.00420.07
8.1.220.0100.00818.04
8.1.210.0110.00718.24
8.1.200.0140.00630.04
8.1.190.0160.00530.01
8.1.180.0130.00427.04
8.1.170.0100.00825.83
8.1.160.0120.00426.00
8.1.150.0110.00626.02
8.1.140.0140.00424.98
8.1.130.0130.00524.95
8.1.120.0130.00524.25
8.1.110.0110.00624.25
8.1.100.0100.00623.66
8.1.90.0130.00523.62
8.1.80.0100.00623.65
8.1.70.0110.00423.64
8.1.60.0120.00623.19
8.1.50.0130.00422.33
8.1.40.0140.00422.09
8.1.30.0110.00621.84
8.1.20.0130.00521.81
8.1.10.0120.00521.54
8.1.00.0130.00520.94
8.0.300.0110.00817.94
8.0.290.0160.00529.58
8.0.280.0140.00325.78
8.0.270.0120.00523.92
8.0.260.0120.00624.78
8.0.250.0130.00423.90
8.0.240.0120.00323.93
8.0.230.0120.00523.30
8.0.220.0130.00423.25
8.0.210.0120.00523.26
8.0.200.0120.00423.32
8.0.190.0140.00422.77
8.0.180.0110.00621.97
8.0.170.0120.00521.62
8.0.160.0120.00521.40
8.0.150.0110.00621.33
8.0.140.0120.00520.65
8.0.130.0120.00420.62
8.0.120.0100.00720.88
8.0.110.0110.00520.65
8.0.100.0110.00520.46
8.0.90.0120.00420.46
8.0.80.0120.00520.50
8.0.70.0120.00520.29
8.0.60.0120.00520.46
8.0.50.0120.00520.46
8.0.30.0130.00520.17
8.0.20.0120.00719.97
8.0.10.0130.00620.13
8.0.00.0120.00519.97
7.4.330.0110.00222.79
7.4.320.0140.00423.61
7.4.300.0120.00522.98
7.4.290.0130.00521.65
7.4.280.0130.00520.74
7.4.270.0120.00520.32
7.4.260.0120.00520.53
7.4.250.0140.00420.54
7.4.240.0120.00519.97
7.4.230.0120.00420.15
7.4.220.0110.00520.12
7.4.210.0120.00520.00
7.4.200.0120.00419.99
7.4.190.0140.00420.37
7.4.180.0120.00520.37
7.4.160.0130.00519.99
7.4.150.0140.00619.72
7.4.140.0110.00619.51
7.4.130.0130.00519.41
7.4.120.0110.00619.42
7.4.110.0120.00519.38
7.4.100.0130.00419.43
7.4.90.0110.00619.36
7.4.80.0110.00519.49
7.4.70.0110.00619.31
7.4.60.0110.00619.28
7.4.50.0090.00719.24
7.4.40.0110.00619.04
7.4.30.0110.00619.17
7.4.20.0100.00719.08
7.4.10.0110.00618.83
7.4.00.0110.00618.50
7.3.330.0170.00320.74
7.3.320.0150.00420.15
7.3.310.0140.00420.16
7.3.300.0100.00719.96
7.3.290.0130.00419.97
7.3.280.0120.00519.64
7.3.270.0120.00619.55
7.3.260.0130.00619.39
7.3.250.0120.00619.31
7.3.240.0120.00519.41
7.3.230.0120.00519.29
7.3.220.0120.00519.39
7.3.210.0100.00719.35
7.3.200.0110.00719.42
7.3.190.0120.00519.22
7.3.180.0110.00719.23
7.3.170.0110.00719.27
7.3.160.0120.00619.12
7.3.150.0140.00519.13
7.3.140.0130.00519.06
7.3.130.0110.00718.77
7.3.120.0120.00618.51
7.3.110.0130.00618.28
7.3.100.0110.00618.08
7.3.90.0100.00717.92
7.3.80.0100.00717.78
7.3.70.0090.00817.70
7.3.60.0100.00717.60
7.3.50.0110.00717.56
7.3.40.0110.00717.58
7.3.30.0100.00717.53
7.3.20.0130.00717.96
7.3.10.0190.00717.84
7.3.00.0160.00717.79
7.2.340.0120.00719.50
7.2.330.0140.00619.37
7.2.320.0140.00619.48
7.2.310.0140.00619.29
7.2.300.0140.00519.37
7.2.290.0140.00619.21
7.2.280.0130.00719.16
7.2.270.0130.00719.11
7.2.260.0130.00618.84
7.2.250.0130.00618.61
7.2.240.0120.00818.39
7.2.230.0130.00718.19
7.2.220.0120.00717.96
7.2.210.0110.00717.88
7.2.200.0120.00717.84
7.2.190.0110.00717.75
7.2.180.0110.00817.69
7.2.170.0110.00817.69
7.2.160.0110.00717.61
7.2.150.0180.00718.09
7.2.140.0160.00718.11
7.2.130.0180.00818.01
7.2.120.0200.00717.88
7.2.110.0190.00717.87
7.2.100.0220.00717.76
7.2.90.0230.00817.69
7.2.80.0330.00717.70
7.2.70.0330.00717.71
7.2.60.0310.00817.71
7.2.50.0290.00617.72
7.2.40.0270.00817.75
7.2.30.0310.00717.76
7.2.20.0300.00817.77
7.2.10.0280.00717.78
7.2.00.0240.00717.79
7.1.330.0170.00618.21
7.1.320.0120.00717.74
7.1.310.0140.00717.70
7.1.300.0120.00717.44
7.1.290.0150.00617.40
7.1.280.0130.00617.34
7.1.270.0170.00717.27
7.1.260.0130.00717.23
7.1.250.0200.00617.05
7.1.240.0200.00716.94
7.1.230.0200.00716.97
7.1.220.0210.00716.90
7.1.210.0310.00716.81
7.1.200.0310.00716.82
7.1.190.0280.00716.81
7.1.180.0280.00716.75
7.1.170.0310.00616.76
7.1.160.0260.00816.79
7.1.150.0310.00716.80
7.1.140.0290.00616.83
7.1.130.0280.00716.82
7.1.120.0260.00816.83
7.1.110.0330.00716.83
7.1.100.0270.00716.80
7.1.90.0250.00616.81
7.1.80.0250.00716.84
7.1.70.0260.00716.80
7.1.60.0240.00617.88
7.1.50.0230.00717.89
7.1.40.0240.00617.86
7.1.30.0240.00817.85
7.1.20.0250.00617.83
7.1.10.0220.00616.84
7.1.00.0250.00716.79
7.0.330.0210.00716.68
7.0.320.0270.00616.61
7.0.310.0240.00716.46
7.0.300.0320.00716.43
7.0.290.0290.00616.45
7.0.280.0300.00716.45
7.0.270.0280.00716.46
7.0.260.0330.00716.46
7.0.250.0310.00716.57
7.0.240.0300.00616.55
7.0.230.0250.00716.58
7.0.220.0290.00716.58
7.0.210.0210.00716.58
7.0.200.0220.00716.56
7.0.190.0220.00616.56
7.0.180.0220.00716.58
7.0.170.0250.00616.60
7.0.160.0210.00616.58
7.0.150.0290.00716.51
7.0.140.0240.00716.52
7.0.130.0260.00616.56
7.0.120.0220.00616.58
7.0.110.0220.00716.55
7.0.100.0230.00716.55
7.0.90.0230.00716.51
7.0.80.0210.00616.55
7.0.70.0230.00716.53
7.0.60.0230.00716.54
7.0.50.0230.00616.55
7.0.40.0200.00716.57
7.0.30.0230.00716.58
7.0.20.0220.00716.51
7.0.10.0220.00716.59
7.0.00.0230.00716.57
5.6.400.0140.00817.11
5.6.390.0120.00817.04
5.6.380.0130.00816.73
5.6.370.0130.00816.77
5.6.360.0140.00816.77
5.6.350.0140.00816.75
5.6.340.0130.00916.80
5.6.330.0140.00716.77
5.6.320.0140.00716.79
5.6.310.0130.00916.79
5.6.300.0130.00816.62
5.6.290.0120.00816.65
5.6.280.0130.00716.69
5.6.270.0140.00716.70
5.6.260.0130.00816.70
5.6.250.0140.00716.68
5.6.240.0130.00816.67
5.6.230.0130.00716.72
5.6.220.0130.00816.64
5.6.210.0130.00716.68
5.6.200.0140.00616.73
5.6.190.0130.00816.72
5.6.180.0130.00716.69
5.6.170.0130.00716.67
5.6.160.0120.00816.69
5.6.150.0130.00716.70
5.6.140.0130.00816.72
5.6.130.0130.00816.71
5.6.120.0130.00816.71
5.6.110.0120.00916.68
5.6.100.0130.00816.66
5.6.90.0140.00716.64
5.6.80.0120.00916.62
5.6.70.0130.00716.65
5.6.60.0130.00816.66
5.6.50.0120.00816.60
5.6.40.0130.00716.63
5.6.30.0130.00716.63
5.6.20.0140.00716.62
5.6.10.0130.00816.63
5.6.00.0130.00716.61
5.5.380.0120.00716.23
5.5.370.0130.00716.27
5.5.360.0130.00716.17
5.5.350.0130.00716.17
5.5.340.0130.00716.15
5.5.330.0130.00716.15
5.5.320.0120.00716.16
5.5.310.0130.00716.15
5.5.300.0130.00816.18
5.5.290.0130.00716.20
5.5.280.0120.00816.20
5.5.270.0120.00716.16
5.5.260.0130.00716.18
5.5.250.0120.00816.15
5.5.240.0120.00716.18
5.5.230.0130.00716.12
5.5.220.0120.00816.14
5.5.210.0120.00716.18
5.5.200.0130.00716.09
5.5.190.0130.00616.12
5.5.180.0130.00716.13
5.5.170.0120.00816.42
5.5.160.0120.00716.17
5.5.150.0120.00716.16
5.5.140.0130.00716.09
5.5.130.0120.00716.11
5.5.120.0130.00716.10
5.5.110.0120.00716.10
5.5.100.0130.00716.15
5.5.90.0130.00616.16
5.5.80.0110.00816.13
5.5.70.0130.00716.18
5.5.60.0130.00716.17
5.5.50.0120.00816.13
5.5.40.0130.00716.13
5.5.30.0120.00716.09
5.5.20.0120.00716.17
5.5.10.0120.00716.08
5.5.00.0130.00716.11
5.4.450.0100.00614.03
5.4.440.0110.00514.06
5.4.430.0100.00614.03
5.4.420.0110.00514.03
5.4.410.0100.00514.02
5.4.400.0100.00613.98
5.4.390.0100.00613.98
5.4.380.0090.00613.97
5.4.370.0110.00513.98
5.4.360.0100.00513.97
5.4.350.0110.00513.99
5.4.340.0110.00514.00
5.4.330.0100.00513.99
5.4.320.0110.00514.00
5.4.310.0110.00514.00
5.4.300.0100.00514.00
5.4.290.0100.00514.01
5.4.280.0100.00513.98
5.4.270.0110.00514.01
5.4.260.0110.00514.00
5.4.250.0110.00513.97
5.4.240.0100.00613.97
5.4.230.0100.00513.92
5.4.220.0100.00613.93
5.4.210.0090.00613.93
5.4.200.0110.00513.94
5.4.190.0110.00413.93
5.4.180.0100.00513.95
5.4.170.0100.00513.94
5.4.160.0100.00613.97
5.4.150.0110.00413.93
5.4.140.0100.00513.99
5.4.130.0100.00513.99
5.4.120.0100.00613.99
5.4.110.0100.00514.01
5.4.100.0100.00614.01
5.4.90.0100.00513.96
5.4.80.0090.00514.00
5.4.70.0090.00614.01
5.4.60.0110.00514.00
5.4.50.0100.00513.96
5.4.40.0090.00614.01
5.4.30.0090.00514.01
5.4.20.0100.00514.00
5.4.10.0100.00514.01
5.4.00.0100.00613.98

preferences:
32.05 ms | 403 KiB | 5 Q