3v4l.org

run code in 300+ PHP versions simultaneously
<?php function datediffInWeeks($date1, $date2) { var_dump(date('W', date2) - date('W', date1)); if($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) + 1; } var_dump(datediffInWeeks('11/11/2016', '11/13/2016'));

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)
8.3.60.0030.01316.50
8.3.50.0040.01117.99
8.3.40.0090.00618.91
8.3.30.0040.01118.84
8.3.20.0050.00320.51
8.3.10.0040.00421.90
8.3.00.0000.00821.02
8.2.180.0060.00916.63
8.2.170.0110.00422.96
8.2.160.0130.00020.52
8.2.150.0060.00324.18
8.2.140.0040.00424.66
8.2.130.0040.00421.13
8.2.120.0050.00326.35
8.2.110.0060.00322.20
8.2.100.0040.00817.72
8.2.90.0040.00419.19
8.2.80.0030.00617.97
8.2.70.0000.01017.63
8.2.60.0030.00517.93
8.2.50.0060.00318.10
8.2.40.0000.00820.48
8.2.30.0040.00419.17
8.2.20.0040.00418.05
8.2.10.0080.00018.00
8.2.00.0040.00417.74
8.1.280.0060.01225.92
8.1.270.0080.00022.06
8.1.260.0040.00428.09
8.1.250.0080.00628.09
8.1.240.0040.00420.91
8.1.230.0040.00719.10
8.1.220.0040.00417.78
8.1.210.0050.00318.77
8.1.200.0090.00017.35
8.1.190.0000.00817.10
8.1.180.0080.00018.10
8.1.170.0040.00418.95
8.1.160.0060.00318.86
8.1.150.0040.00420.18
8.1.140.0000.00719.41
8.1.130.0030.00317.69
8.1.120.0030.00617.42
8.1.110.0000.00717.39
8.1.100.0000.00817.29
8.1.90.0000.00817.43
8.1.80.0030.00517.42
8.1.70.0000.00717.38
8.1.60.0060.00317.36
8.1.50.0050.00317.48
8.1.40.0050.00217.35
8.1.30.0040.00417.53
8.1.20.0040.00417.62
8.1.10.0050.00317.54
8.1.00.0040.00417.45
8.0.300.0070.00019.97
8.0.290.0000.00716.75
8.0.280.0000.00818.46
8.0.270.0000.00717.28
8.0.260.0030.00317.32
8.0.250.0070.00016.96
8.0.240.0000.00816.89
8.0.230.0090.00017.06
8.0.220.0070.00017.00
8.0.210.0050.00217.01
8.0.200.0000.00616.93
8.0.190.0000.00816.96
8.0.180.0040.00417.00
8.0.170.0000.00717.01
8.0.160.0030.00517.03
8.0.150.0000.00716.79
8.0.140.0040.00416.88
8.0.130.0050.00013.36
8.0.120.0000.00816.81
8.0.110.0000.00716.87
8.0.100.0040.00416.87
8.0.90.0070.00017.00
8.0.80.0120.00416.91
8.0.70.0050.00316.82
8.0.60.0000.00816.99
8.0.50.0040.00416.95
8.0.30.0080.01117.13
8.0.20.0150.00717.40
8.0.10.0070.00017.05
8.0.00.0120.00616.64
7.4.330.0000.00515.55
7.4.320.0070.00016.73
7.4.300.0020.00516.55
7.4.290.0070.00416.69
7.4.280.0000.00816.55
7.4.270.0070.00016.61
7.4.260.0000.00716.65
7.4.250.0080.00016.72
7.4.240.0000.00716.78
7.4.230.0000.00716.82
7.4.220.0130.01316.68
7.4.210.0090.00916.80
7.4.200.0030.00716.39
7.4.160.0080.00716.81
7.4.150.0190.00317.40
7.4.140.0110.00717.86
7.4.130.0100.00916.70
7.4.120.0090.00816.80
7.4.110.0030.02016.82
7.4.100.0180.00316.97
7.4.90.0100.00716.90
7.4.80.0080.00819.39
7.4.70.0080.00816.79
7.4.60.0130.00316.55
7.4.50.0070.00716.89
7.4.40.0100.00716.90
7.4.30.0090.01316.71
7.4.00.0140.00314.73
7.3.330.0030.00313.37
7.3.320.0000.00613.43
7.3.310.0030.00316.51
7.3.300.0030.00316.38
7.3.290.0070.00916.48
7.3.280.0100.00616.50
7.3.270.0100.00717.40
7.3.260.0050.01316.61
7.3.250.0100.00816.68
7.3.240.0130.00716.70
7.3.230.0160.00316.61
7.3.210.0120.01216.47
7.3.200.0100.00716.70
7.3.190.0090.00916.71
7.3.180.0120.00916.73
7.3.170.0080.00816.75
7.3.160.0150.00316.67
7.2.330.0060.01216.67
7.2.320.0000.01916.56
7.2.310.0100.01017.00
7.2.300.0030.02016.75
7.2.290.0140.00516.77
7.2.60.0200.00216.92
7.2.50.0030.01316.79
7.2.00.0100.00319.47
7.1.200.0090.00616.13
7.1.70.0040.01117.05
7.1.60.0080.00317.50
7.1.50.0030.02117.15
7.1.00.0100.07022.28
7.0.200.0000.01417.02
7.0.130.0070.06022.13
7.0.120.0200.04722.00
7.0.110.0100.05721.93
7.0.100.0070.05722.12
7.0.90.0070.06021.97
7.0.80.0100.05722.06
7.0.70.0100.06722.04
7.0.60.0230.04321.91
7.0.50.0070.06022.20
7.0.40.0130.05321.98
7.0.30.0170.05022.04
7.0.20.0130.06022.10
7.0.10.0130.05322.14
7.0.00.0100.05722.05
5.6.280.0030.05721.09
5.6.270.0070.06320.87
5.6.260.0070.06021.05
5.6.250.0070.06021.07
5.6.240.0100.05720.75
5.6.230.0170.05320.92
5.6.220.0130.05021.08
5.6.210.0200.04721.00
5.6.200.0100.07020.75
5.6.190.0130.05320.82
5.6.180.0170.05320.74
5.6.170.0130.05321.01
5.6.160.0100.05720.75
5.6.150.0070.06320.82
5.6.140.0170.05321.05
5.6.130.0170.04320.82
5.6.120.0100.05720.92
5.6.110.0130.07321.00
5.6.100.0100.06020.77
5.6.90.0130.05020.71
5.6.80.0170.06320.21
5.6.70.0130.04720.16
5.6.60.0030.06020.20
5.6.50.0130.04720.38
5.6.40.0100.05720.35
5.6.30.0130.05020.36
5.6.20.0100.05320.35
5.6.10.0070.06720.36
5.6.00.0200.04320.40

preferences:
66.28 ms | 400 KiB | 5 Q