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('11/12/2013', '12/12/2013'));// 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)
8.3.60.0100.00716.63
8.3.50.0170.00016.39
8.3.40.0090.00618.88
8.3.30.0070.00718.96
8.3.20.0050.00220.32
8.3.10.0050.00323.79
8.3.00.0050.00322.22
8.2.180.0030.01416.63
8.2.170.0140.00322.96
8.2.160.0100.00619.20
8.2.150.0080.00024.18
8.2.140.0000.00724.66
8.2.130.0070.00019.44
8.2.120.0180.00026.35
8.2.110.0070.00321.23
8.2.100.0210.00317.89
8.2.90.0040.00419.23
8.2.80.0000.00818.05
8.2.70.0000.00817.75
8.2.60.0030.00518.03
8.2.50.0000.00818.18
8.2.40.0040.00420.44
8.2.30.0040.00421.15
8.2.20.0040.00418.24
8.2.10.0080.00018.17
8.2.00.0070.00018.07
8.1.280.0060.00925.92
8.1.270.0000.00722.19
8.1.260.0080.00026.35
8.1.250.0080.00028.09
8.1.240.0060.00324.16
8.1.230.0070.00319.29
8.1.220.0040.00417.80
8.1.210.0000.00818.77
8.1.200.0060.00317.48
8.1.190.0050.00317.35
8.1.180.0030.00518.10
8.1.170.0000.00719.14
8.1.160.0000.00719.19
8.1.150.0070.00018.97
8.1.140.0000.00819.60
8.1.130.0040.00419.01
8.1.120.0000.00717.59
8.1.110.0030.00517.52
8.1.100.0040.00417.54
8.1.90.0040.00417.68
8.1.80.0030.00317.63
8.1.70.0000.00717.55
8.1.60.0050.00317.64
8.1.50.0090.00017.67
8.1.40.0040.00417.63
8.1.30.0040.00417.64
8.1.20.0000.00817.80
8.1.10.0030.00617.67
8.1.00.0030.00617.73
8.0.300.0000.00820.22
8.0.290.0000.00816.87
8.0.280.0030.00318.63
8.0.270.0030.00317.41
8.0.260.0040.00417.09
8.0.250.0060.00017.29
8.0.240.0080.00317.25
8.0.230.0000.00717.25
8.0.220.0040.00417.05
8.0.210.0070.00017.14
8.0.200.0000.00717.09
8.0.190.0000.00817.23
8.0.180.0040.00417.07
8.0.170.0040.00417.24
8.0.160.0080.00017.14
8.0.150.0040.00416.99
8.0.140.0050.00217.01
8.0.130.0030.00313.48
8.0.120.0040.00417.12
8.0.110.0000.00717.18
8.0.100.0040.00416.94
8.0.90.0030.00517.27
8.0.80.0070.01517.16
8.0.70.0030.00517.06
8.0.60.0080.00017.20
8.0.50.0000.00817.03
8.0.30.0100.01117.30
8.0.20.0110.00817.41
8.0.10.0050.00317.17
8.0.00.0110.00716.87
7.4.330.0000.00615.55
7.4.320.0060.00016.79
7.4.300.0000.00616.57
7.4.290.0030.00316.72
7.4.280.0040.00416.72
7.4.270.0050.00216.64
7.4.260.0000.00716.70
7.4.250.0000.00716.62
7.4.240.0030.00516.62
7.4.230.0030.00316.63
7.4.220.0140.00316.61
7.4.210.0060.00916.68
7.4.200.0000.00716.56
7.4.160.0090.01416.81
7.4.150.0090.00917.40
7.4.140.0130.00417.86
7.4.130.0190.00316.78
7.4.120.0120.00716.80
7.4.110.0090.00916.62
7.4.100.0120.00616.88
7.4.90.0070.01016.64
7.4.80.0070.01119.39
7.4.70.0090.00916.68
7.4.60.0100.00616.74
7.4.50.0090.00216.63
7.4.40.0090.01316.71
7.4.30.0040.01516.77
7.4.00.0030.01315.22
7.3.330.0070.00213.40
7.3.320.0000.00613.45
7.3.310.0000.00716.47
7.3.300.0030.00516.46
7.3.290.0000.00716.31
7.3.280.0070.01016.43
7.3.270.0130.00317.40
7.3.260.0140.00816.63
7.3.250.0090.01016.66
7.3.240.0060.01416.58
7.3.230.0110.00716.72
7.3.210.0070.01016.73
7.3.200.0130.00316.40
7.3.190.0120.00616.63
7.3.180.0160.00016.63
7.3.170.0030.01316.72
7.3.160.0100.00716.70
7.2.330.0030.01616.87
7.2.320.0150.00616.78
7.2.310.0100.00716.70
7.2.300.0140.00316.62
7.2.290.0060.01316.90
7.2.60.0120.00616.76
7.1.200.0090.00316.10
7.1.100.0130.00018.21
7.1.70.0070.00717.38
7.1.60.0200.00735.18
7.1.50.0150.01534.83
7.1.40.0170.01334.67
7.1.30.0200.01034.73
7.1.20.0210.01034.51
7.1.10.0030.01316.74
7.1.00.0070.00716.74
7.0.200.0120.00016.65
7.0.190.0100.00316.53
7.0.180.0030.01016.52
7.0.170.0030.00916.46
7.0.160.0060.00816.47
7.0.150.0030.01016.37
7.0.140.0100.00516.48
7.0.130.0110.00316.45
7.0.120.0030.01016.44
7.0.110.0000.01416.33
7.0.100.0040.01216.29
7.0.90.0040.01416.15
7.0.80.0070.00716.47
7.0.70.0110.00316.15
7.0.60.0060.00616.08
7.0.50.0030.01616.33
7.0.40.0060.00616.43
7.0.30.0090.00616.61
7.0.20.0050.00916.64
7.0.10.0090.01116.43
7.0.00.0140.00316.33

preferences:
75.68 ms | 400 KiB | 5 Q