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', '11/12/2013'));// 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)
8.3.40.0110.00718.92
8.3.30.0070.00718.87
8.3.20.0050.00220.29
8.3.10.0050.00323.54
8.3.00.0000.00821.80
8.2.170.0150.00422.96
8.2.160.0060.00919.16
8.2.150.0000.00824.18
8.2.140.0000.00724.66
8.2.130.0000.00721.07
8.2.120.0100.00726.35
8.2.110.0100.00021.02
8.2.100.0070.00718.03
8.2.90.0030.00619.21
8.2.80.0040.00417.97
8.2.70.0040.00417.63
8.2.60.0040.00418.03
8.2.50.0000.00918.16
8.2.40.0050.00220.42
8.2.30.0000.00820.98
8.2.20.0070.00018.21
8.2.10.0080.00018.19
8.2.00.0000.00718.08
8.1.270.0070.00022.20
8.1.260.0080.00026.35
8.1.250.0070.00328.09
8.1.240.0060.00323.84
8.1.230.0000.01019.14
8.1.220.0080.00017.77
8.1.210.0060.00318.77
8.1.200.0060.00317.35
8.1.190.0000.00917.23
8.1.180.0060.00318.10
8.1.170.0000.00819.07
8.1.160.0000.00719.05
8.1.150.0040.00418.83
8.1.140.0000.00719.52
8.1.130.0030.00318.99
8.1.120.0000.00717.61
8.1.110.0030.00617.56
8.1.100.0050.00217.54
8.1.90.0070.00017.54
8.1.80.0000.00717.61
8.1.70.0040.00417.57
8.1.60.0080.00017.54
8.1.50.0040.00417.56
8.1.40.0040.00417.57
8.1.30.0030.00617.61
8.1.20.0000.00717.70
8.1.10.0000.00917.57
8.1.00.0040.00417.62
8.0.300.0040.00420.07
8.0.290.0040.00416.88
8.0.280.0000.00718.62
8.0.270.0000.00717.34
8.0.260.0030.00317.00
8.0.250.0000.00717.07
8.0.240.0100.00017.04
8.0.230.0070.00017.06
8.0.220.0000.00717.03
8.0.210.0030.00317.11
8.0.200.0040.00417.12
8.0.190.0060.00317.16
8.0.180.0030.00317.04
8.0.170.0000.00717.11
8.0.160.0000.00817.07
8.0.150.0000.00717.08
8.0.140.0000.00716.95
8.0.130.0030.00313.55
8.0.120.0000.00817.07
8.0.110.0040.00416.96
8.0.100.0000.00717.14
8.0.90.0000.00716.91
8.0.80.0060.01217.07
8.0.70.0000.00717.05
8.0.60.0050.00217.16
8.0.50.0000.00817.13
8.0.30.0060.01017.22
8.0.20.0130.00917.40
8.0.10.0000.00717.04
8.0.00.0070.01016.85
7.4.330.0000.00715.55
7.4.320.0000.00716.69
7.4.300.0030.00316.67
7.4.290.0030.00316.53
7.4.280.0060.00316.52
7.4.270.0030.00316.60
7.4.260.0000.00716.67
7.4.250.0040.00416.63
7.4.240.0070.00016.56
7.4.230.0030.00316.56
7.4.220.0120.00616.54
7.4.210.0090.00616.73
7.4.200.0000.00716.77
7.4.160.0100.00616.64
7.4.150.0070.01017.40
7.4.140.0110.00917.86
7.4.130.0050.00516.82
7.4.120.0090.00916.63
7.4.110.0120.00816.64
7.4.100.0090.00816.64
7.4.90.0120.00816.70
7.4.80.0130.01019.39
7.4.70.0100.00716.61
7.4.60.0130.00316.71
7.4.50.0040.01216.43
7.4.40.0150.00616.67
7.4.30.0000.01616.65
7.4.00.0060.00614.90
7.3.330.0030.00313.39
7.3.320.0030.00313.32
7.3.310.0030.00316.25
7.3.300.0040.00416.26
7.3.290.0030.00316.40
7.3.280.0100.00716.36
7.3.270.0140.00417.40
7.3.260.0080.01416.56
7.3.250.0090.01116.59
7.3.240.0060.01316.57
7.3.230.0060.01216.60
7.3.210.0080.00816.34
7.3.200.0070.01016.72
7.3.190.0080.00816.68
7.3.180.0090.01216.71
7.3.170.0130.00316.57
7.3.160.0120.00416.49
7.3.120.0100.00714.77
7.3.110.0120.00314.86
7.3.100.0060.00614.71
7.3.90.0120.00614.84
7.3.80.0000.01415.05
7.3.70.0000.01015.10
7.3.60.0060.00914.71
7.3.50.0090.00915.04
7.3.40.0040.00714.80
7.3.30.0090.00014.82
7.3.20.0100.00716.82
7.3.10.0090.00016.84
7.3.00.0070.01116.91
7.2.330.0090.00916.87
7.2.320.0110.00716.68
7.2.310.0030.01316.69
7.2.300.0110.01116.98
7.2.290.0030.01516.94
7.2.240.0090.00615.40
7.2.230.0080.00415.36
7.2.220.0030.01315.37
7.2.210.0030.01215.08
7.2.200.0130.00715.18
7.2.190.0030.01415.18
7.2.180.0070.01114.91
7.2.170.0040.01115.19
7.2.160.0060.00915.03
7.2.150.0000.01016.92
7.2.140.0060.00617.09
7.2.130.0130.00317.02
7.2.120.0090.00916.98
7.2.110.0140.00017.02
7.2.100.0090.00417.05
7.2.90.0030.01016.87
7.2.80.0110.00417.01
7.2.70.0090.00917.06
7.2.60.0050.00816.94
7.2.50.0100.00316.75
7.2.40.0040.01117.15
7.2.30.0120.00317.04
7.2.20.0110.00716.98
7.2.10.0080.01116.96
7.2.00.0050.00918.13
7.1.330.0080.00815.61
7.1.320.0000.01915.86
7.1.310.0080.00815.87
7.1.300.0100.00715.55
7.1.290.0080.00815.97
7.1.280.0070.00715.98
7.1.270.0040.01115.97
7.1.260.0070.00615.86
7.1.250.0060.01015.93
7.1.200.0070.00415.77
7.1.100.0070.00718.43
7.1.70.0030.01017.06
7.1.60.0090.01935.27
7.1.50.0180.00934.97
7.1.40.0190.00934.55
7.1.30.0170.01034.44
7.1.20.0240.00434.88
7.1.10.0030.01016.69
7.1.00.0030.01616.85
7.0.200.0030.00917.06
7.0.190.0000.01216.71
7.0.180.0030.01016.53
7.0.170.0040.00816.35
7.0.160.0030.01016.30
7.0.150.0100.00316.39
7.0.140.0070.01316.43
7.0.130.0040.01216.66
7.0.120.0030.01416.57
7.0.110.0110.00416.25
7.0.100.0060.00916.27
7.0.90.0090.00316.14
7.0.80.0070.00716.37
7.0.70.0030.01016.52
7.0.60.0060.00616.15
7.0.50.0030.01016.34
7.0.40.0150.00016.50
7.0.30.0070.00716.46
7.0.20.0000.01316.68
7.0.10.0040.01216.50
7.0.00.0100.00316.36

preferences:
41.12 ms | 400 KiB | 5 Q