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)
8.3.60.0110.01118.19
8.3.50.0170.01016.13
8.3.40.0090.00618.70
8.3.30.0100.00718.70
8.3.20.0040.00421.85
8.3.10.0080.00023.70
8.3.00.0040.00418.04
8.2.180.0190.00018.41
8.2.170.0120.00322.96
8.2.160.0070.00722.25
8.2.150.0040.00424.18
8.2.140.0070.00024.66
8.2.130.0030.00522.29
8.2.120.0080.00026.35
8.2.110.0070.00321.10
8.2.100.0080.00418.16
8.2.90.0040.00419.19
8.2.80.0040.00417.97
8.2.70.0040.00417.75
8.2.60.0000.00817.93
8.2.50.0000.00818.10
8.2.40.0080.00320.61
8.2.30.0020.00519.44
8.2.20.0070.00018.07
8.2.10.0040.00418.30
8.2.00.0030.00618.19
8.1.280.0070.00725.92
8.1.270.0050.00322.06
8.1.260.0030.00526.35
8.1.250.0040.00428.09
8.1.240.0090.00024.02
8.1.230.0070.00417.79
8.1.220.0000.00817.79
8.1.210.0040.00418.77
8.1.200.0060.00317.48
8.1.190.0050.00317.35
8.1.180.0030.00518.10
8.1.170.0080.00018.78
8.1.160.0040.00418.96
8.1.150.0040.00420.20
8.1.140.0040.00419.61
8.1.130.0080.00018.93
8.1.120.0040.00417.68
8.1.110.0000.00817.69
8.1.100.0000.00817.65
8.1.90.0030.00517.71
8.1.80.0080.00017.56
8.1.70.0000.00717.65
8.1.60.0030.00617.60
8.1.50.0060.00317.54
8.1.40.0040.00417.65
8.1.30.0040.00417.80
8.1.20.0040.00417.80
8.1.10.0000.00817.76
8.1.00.0080.00017.68
8.0.300.0030.00618.77
8.0.290.0000.00816.88
8.0.280.0000.00718.46
8.0.270.0030.00317.39
8.0.260.0030.00317.09
8.0.250.0030.00317.21
8.0.240.0050.00317.21
8.0.230.0080.00017.11
8.0.220.0070.00017.15
8.0.210.0000.00717.05
8.0.200.0030.00317.09
8.0.190.0040.00417.10
8.0.180.0000.00817.05
8.0.170.0070.00017.22
8.0.160.0000.00717.22
8.0.150.0050.00217.00
8.0.140.0050.00217.09
8.0.130.0000.00613.43
8.0.120.0040.00417.13
8.0.110.0000.00717.15
8.0.100.0040.00417.11
8.0.90.0080.00016.98
8.0.80.0030.01317.20
8.0.70.0000.00717.14
8.0.60.0000.00817.18
8.0.50.0000.00717.14
8.0.30.0120.00717.34
8.0.20.0070.01217.40
8.0.10.0000.00717.11
8.0.00.0090.00917.11
7.4.330.0020.00215.55
7.4.320.0030.00316.76
7.4.300.0060.00016.75
7.4.290.0090.00016.75
7.4.280.0040.00416.73
7.4.270.0040.00416.66
7.4.260.0030.00413.32
7.4.250.0000.00716.76
7.4.240.0040.00416.58
7.4.230.0070.00016.70
7.4.220.0200.00716.64
7.4.210.0070.01416.55
7.4.200.0070.00016.54
7.4.160.0100.00716.58
7.4.150.0120.00617.40
7.4.140.0060.01217.86
7.4.130.0030.01416.82
7.4.120.0060.01116.81
7.4.110.0080.01616.66
7.4.100.0110.01216.63
7.4.90.0140.00316.73
7.4.80.0060.01019.39
7.4.70.0040.01216.64
7.4.60.0030.01316.66
7.4.50.0100.00716.75
7.4.40.0060.01116.53
7.4.30.0070.01416.72
7.4.00.0100.00315.02
7.3.330.0000.00513.31
7.3.320.0050.00013.31
7.3.310.0000.00716.49
7.3.300.0030.00316.36
7.3.290.0090.00916.54
7.3.280.0080.00816.45
7.3.270.0030.01317.40
7.3.260.0070.01116.66
7.3.250.0100.01016.63
7.3.240.0060.01116.67
7.3.230.0120.00916.84
7.3.210.0070.01316.79
7.3.200.0100.01016.63
7.3.190.0140.00616.72
7.3.180.0120.00416.62
7.3.170.0130.00316.62
7.3.160.0130.00616.65
7.3.10.0110.00816.34
7.3.00.0180.00416.43
7.2.330.0130.01016.67
7.2.320.0060.01216.59
7.2.310.0100.00616.98
7.2.300.0170.00716.91
7.2.290.0140.00316.56
7.2.130.0130.01016.43
7.2.120.0140.00716.52
7.2.110.0070.01316.64
7.2.100.0150.00616.64
7.2.90.0130.00617.05
7.2.80.0170.01117.02
7.2.70.0110.01116.30
7.2.60.0180.00316.74
7.2.50.0160.00916.32
7.2.40.0240.00916.68
7.2.30.0210.00716.57
7.2.20.0090.01316.35
7.2.10.0170.00816.37
7.2.00.0220.00917.84
7.1.250.0100.01015.59
7.1.200.0040.00816.02
7.1.100.0030.00818.14
7.1.70.0000.00717.43
7.1.60.0630.01333.36
7.1.50.0700.01033.33
7.1.40.0900.01732.66
7.1.30.0800.02332.82
7.1.20.0770.01032.80
7.1.10.0730.02014.70
7.1.00.0970.01015.13
7.0.200.0530.00714.97
7.0.190.0670.00314.89
7.0.180.0630.00714.66
7.0.170.0670.01014.60
7.0.160.0700.01014.50
7.0.150.0830.01014.45
7.0.140.0870.00714.48
7.0.130.0570.01014.71
7.0.120.0570.01014.96
7.0.110.0630.01014.63
7.0.100.0470.01714.74
7.0.90.0830.01314.55
7.0.80.0570.01014.57
7.0.70.0570.01014.50
7.0.60.0630.01014.20
7.0.50.0630.01314.52
7.0.40.0530.01014.66
7.0.30.1000.01714.88
7.0.20.0530.01014.57
7.0.10.0670.01314.59
7.0.00.0630.01314.91

preferences:
54.01 ms | 401 KiB | 5 Q