3v4l.org

run code in 300+ PHP versions simultaneously
<?php function datediffInWeeks($date1, $date2) { if($date1 > $date2) return datediffInWeeks($date2, $date1); $first = DateTime::createFromFormat('Y-m-d', $date1); $second = DateTime::createFromFormat('Y-m-d', $date2); return floor($first->diff($second)->days/7); } var_dump(datediffInWeeks('2015-2-1', '6/21/2016'));// 21 var_dump(datediffInWeeks('2013-6-1', '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)
8.3.60.0090.00918.68
8.3.50.0110.00418.14
8.3.40.0120.00319.10
8.3.30.0140.00018.91
8.3.20.0040.00420.24
8.3.10.0060.00320.78
8.3.00.0000.00721.90
8.2.180.0140.00316.88
8.2.170.0070.00722.96
8.2.160.0120.00622.09
8.2.150.0040.00424.18
8.2.140.0080.00024.66
8.2.130.0050.00321.05
8.2.120.0080.00026.35
8.2.110.0030.00719.23
8.2.100.0060.00618.04
8.2.90.0050.00319.25
8.2.80.0050.00317.97
8.2.70.0030.00617.75
8.2.60.0040.00417.93
8.2.50.0030.00618.09
8.2.40.0040.00420.32
8.2.30.0000.00719.39
8.2.20.0050.00318.01
8.2.10.0000.00718.18
8.2.00.0070.00018.18
8.1.270.0140.00322.07
8.1.260.0050.00328.09
8.1.250.0080.00028.09
8.1.240.0140.00322.56
8.1.230.0040.00717.77
8.1.220.0030.00617.79
8.1.210.0000.00818.77
8.1.200.0050.00517.38
8.1.190.0000.00817.38
8.1.180.0000.00818.10
8.1.170.0070.00418.59
8.1.160.0040.00420.82
8.1.150.0040.00418.98
8.1.140.0040.00419.69
8.1.130.0030.00617.68
8.1.120.0030.00317.51
8.1.110.0030.00317.61
8.1.100.0080.00017.63
8.1.90.0040.00417.60
8.1.80.0000.00817.59
8.1.70.0040.00417.58
8.1.60.0030.01017.68
8.1.50.0060.00317.50
8.1.40.0030.00617.58
8.1.30.0000.00817.74
8.1.20.0030.00517.62
8.1.10.0040.00417.68
8.1.00.0080.00017.65
8.0.300.0040.00418.77
8.0.290.0060.00316.88
8.0.280.0030.00318.48
8.0.270.0000.00817.32
8.0.260.0000.00617.36
8.0.250.0030.00317.22
8.0.240.0000.00717.21
8.0.230.0070.00017.21
8.0.220.0000.00817.23
8.0.210.0050.00317.20
8.0.200.0030.00317.24
8.0.190.0040.00417.17
8.0.180.0040.00417.08
8.0.170.0060.00317.21
8.0.160.0050.00217.16
8.0.150.0050.00317.13
8.0.140.0000.00817.02
8.0.130.0060.00013.56
8.0.120.0040.00417.02
8.0.110.0000.00717.08
8.0.100.0000.00817.06
8.0.90.0040.00417.13
8.0.80.0070.00717.18
8.0.70.0040.00417.05
8.0.60.0080.00016.98
8.0.50.0070.00017.07
8.0.30.0050.01317.31
8.0.20.0110.00717.43
8.0.10.0000.00717.12
8.0.00.0070.01016.86
7.4.330.0050.00016.76
7.4.320.0000.00816.68
7.4.300.0000.00716.72
7.4.290.0000.00716.59
7.4.280.0050.00316.65
7.4.270.0040.00416.67
7.4.260.0040.00716.69
7.4.250.0040.00416.50
7.4.240.0000.00716.69
7.4.230.0000.00716.33
7.4.220.0090.00916.55
7.4.210.0080.01016.66
7.4.200.0070.00016.56
7.4.160.0080.00816.53
7.4.150.0110.00617.40
7.4.140.0090.01017.86
7.4.130.0130.00516.67
7.4.120.0120.00516.71
7.4.110.0030.01316.53
7.4.100.0130.01016.78
7.4.90.0100.00716.70
7.4.80.0130.01019.39
7.4.70.0070.01016.88
7.4.60.0070.01016.82
7.4.50.0070.01016.63
7.4.40.0070.01016.59
7.4.30.0100.00716.55
7.4.00.0100.00615.13
7.3.330.0030.00313.28
7.3.320.0000.00513.53
7.3.310.0030.00316.50
7.3.300.0020.00516.50
7.3.290.0040.00216.34
7.3.280.0060.00616.50
7.3.270.0140.00417.40
7.3.260.0090.01616.56
7.3.250.0120.00816.63
7.3.240.0100.01016.60
7.3.230.0130.00416.63
7.3.210.0100.00716.69
7.3.200.0130.00916.75
7.3.190.0100.00716.68
7.3.180.0130.00316.53
7.3.170.0000.01716.66
7.3.160.0150.00316.36
7.2.330.0100.00916.86
7.2.320.0100.01616.55
7.2.310.0070.01616.62
7.2.300.0100.01016.62
7.2.290.0100.00616.75
7.2.60.0070.01016.95
7.2.00.0070.01119.46
7.1.200.0060.00615.79
7.1.100.0060.00618.31
7.1.70.0030.00917.05
7.1.60.0130.01319.27
7.1.50.0070.01417.16
7.1.00.0030.07322.27
7.0.200.0030.00716.79
7.0.60.0300.06719.86
7.0.50.0030.06017.98
7.0.40.0100.06320.23
7.0.30.0330.04720.25
7.0.20.0430.07020.12
7.0.10.0130.06720.23
7.0.00.0070.08320.25
5.6.280.0000.03321.00
5.6.210.0100.04020.54
5.6.200.0170.07318.18
5.6.190.0030.04320.52
5.6.180.0270.08320.58
5.6.170.0270.08020.55
5.6.160.0070.06320.46
5.6.150.0070.08018.28
5.6.140.0100.03718.23
5.6.130.0030.04718.15
5.6.120.0000.08321.04
5.6.110.0070.07720.99
5.6.100.0170.08321.01
5.6.90.0070.08321.13
5.6.80.0070.08020.39
5.5.350.0300.07020.43
5.5.340.0030.08318.09
5.5.330.0030.05720.21
5.5.320.0570.07020.32
5.5.310.0200.04020.28
5.5.300.0030.03718.02
5.5.290.0100.05717.95
5.5.280.0070.05020.95
5.5.270.0070.08720.88
5.5.260.0030.05720.82
5.5.250.0100.07720.78
5.5.240.0030.04020.16

preferences:
50.46 ms | 400 KiB | 5 Q