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('27/06/2017', '04/07/2017'));// 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)
8.3.60.0070.01118.55
8.3.50.0100.01016.35
8.3.40.0040.01118.80
8.3.30.0040.01118.93
8.3.20.0000.00721.96
8.3.10.0080.00021.90
8.3.00.0050.00318.04
8.2.180.0060.00918.55
8.2.170.0140.00322.96
8.2.160.0140.00022.12
8.2.150.0080.00024.18
8.2.140.0000.00824.66
8.2.130.0070.00022.13
8.2.120.0080.00026.35
8.2.110.0060.00319.27
8.2.100.0110.00017.98
8.2.90.0060.00319.17
8.2.80.0000.00817.97
8.2.70.0050.00317.88
8.2.60.0060.00318.05
8.2.50.0040.00418.15
8.2.40.0030.00620.36
8.2.30.0040.00419.38
8.2.20.0060.00318.10
8.2.10.0080.00018.06
8.2.00.0080.00318.18
8.1.280.0070.01025.92
8.1.270.0000.00821.99
8.1.260.0040.00426.35
8.1.250.0070.00328.09
8.1.240.0030.00623.95
8.1.230.0090.00317.96
8.1.220.0080.00017.89
8.1.210.0080.00018.77
8.1.200.0030.00617.48
8.1.190.0050.00317.35
8.1.180.0000.00818.10
8.1.170.0050.00318.71
8.1.160.0040.00419.02
8.1.150.0030.00520.20
8.1.140.0040.00419.70
8.1.130.0040.00418.95
8.1.120.0000.00717.71
8.1.110.0040.00417.66
8.1.100.0060.00317.53
8.1.90.0070.00017.63
8.1.80.0070.00017.55
8.1.70.0000.00717.59
8.1.60.0040.00417.70
8.1.50.0030.00617.61
8.1.40.0030.00517.68
8.1.30.0000.00817.74
8.1.20.0040.00417.65
8.1.10.0040.00417.69
8.1.00.0050.00317.69
8.0.300.0040.00418.77
8.0.290.0040.00416.96
8.0.280.0070.00018.66
8.0.270.0050.00217.35
8.0.260.0000.00717.04
8.0.250.0030.00317.25
8.0.240.0000.00817.22
8.0.230.0030.00317.25
8.0.220.0040.00417.05
8.0.210.0030.00317.02
8.0.200.0060.00017.25
8.0.190.0030.00717.20
8.0.180.0000.00717.17
8.0.170.0000.00717.22
8.0.160.0080.00017.06
8.0.150.0070.00017.04
8.0.140.0050.00217.12
8.0.130.0050.00013.55
8.0.120.0000.00817.22
8.0.110.0050.00217.02
8.0.100.0000.00717.20
8.0.90.0040.00417.03
8.0.80.0170.00017.05
8.0.70.0040.00416.96
8.0.60.0060.00317.21
8.0.50.0040.00417.21
8.0.30.0110.01017.25
8.0.20.0090.01017.41
8.0.10.0040.00417.33
8.0.00.0120.00817.06
7.4.330.0000.00515.55
7.4.320.0040.00416.63
7.4.300.0030.00316.65
7.4.290.0060.00316.76
7.4.280.0030.00516.54
7.4.270.0040.00416.62
7.4.260.0000.00813.44
7.4.250.0000.00716.62
7.4.240.0000.00716.55
7.4.230.0070.00016.85
7.4.220.0160.00316.73
7.4.210.0070.01116.63
7.4.200.0070.00016.52
7.4.160.0090.00716.64
7.4.150.0070.01017.40
7.4.140.0100.00917.86
7.4.130.0100.01016.63
7.4.120.0080.01216.69
7.4.110.0080.00816.82
7.4.100.0120.01216.72
7.4.90.0170.00016.80
7.4.80.0030.01319.39
7.4.70.0140.00916.77
7.4.60.0040.01216.59
7.4.50.0100.00716.68
7.4.40.0080.00816.66
7.4.30.0080.00816.79
7.4.00.0100.00714.78
7.3.330.0030.00313.42
7.3.320.0020.00213.42
7.3.310.0080.00016.46
7.3.300.0030.00316.52
7.3.290.0050.01016.49
7.3.280.0060.01116.49
7.3.270.0120.00617.40
7.3.260.0130.00516.63
7.3.250.0160.00716.70
7.3.240.0130.00616.69
7.3.230.0180.00316.61
7.3.210.0100.00716.81
7.3.200.0110.00616.59
7.3.190.0140.00316.57
7.3.180.0130.00316.73
7.3.170.0140.00316.72
7.3.160.0100.01016.60
7.3.10.0060.00616.85
7.3.00.0100.00716.96
7.2.330.0190.00016.66
7.2.320.0070.01116.62
7.2.310.0150.00316.87
7.2.300.0120.01316.79
7.2.290.0150.00617.03
7.2.130.0070.00717.02
7.2.120.0090.00616.73
7.2.110.0040.00817.02
7.2.100.0110.00017.03
7.2.90.0060.00317.14
7.2.80.0060.00617.12
7.2.70.0030.01017.11
7.2.60.0070.00916.76
7.2.50.0090.00617.12
7.2.40.0000.01116.98
7.2.30.0070.00716.86
7.2.20.0000.01616.86
7.2.10.0050.00516.86
7.2.00.0120.00317.00
7.1.250.0090.00616.05
7.1.200.0040.00815.82
7.1.70.0040.00417.38
7.1.60.0830.01333.13
7.1.50.0730.01033.10
7.1.40.0630.02032.79
7.1.30.0830.01332.73
7.1.20.0600.02032.86
7.1.10.0470.01014.98
7.1.00.0970.01014.96
7.0.200.0900.01015.05
7.0.190.0670.00715.09
7.0.180.0630.01714.39
7.0.170.0570.00314.62
7.0.160.0500.01314.45
7.0.150.0470.01014.46
7.0.140.0730.01014.36
7.0.130.0900.01014.64
7.0.120.0930.01014.64
7.0.110.0970.01014.38
7.0.100.1000.00314.79
7.0.90.0570.01714.50
7.0.80.0630.01014.69
7.0.70.0700.01014.65
7.0.60.0700.01314.35
7.0.50.0600.01314.53
7.0.40.0570.01014.79
7.0.30.0500.01314.70
7.0.20.0630.00714.60
7.0.10.0570.00714.91
7.0.00.0530.00314.65

preferences:
33.78 ms | 400 KiB | 5 Q