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('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)
8.3.60.0060.01218.68
8.3.50.0140.00921.99
8.3.40.0120.00318.92
8.3.30.0120.00318.79
8.3.20.0040.00419.95
8.3.10.0070.00420.61
8.3.00.0060.00321.89
8.2.180.0120.00616.63
8.2.170.0140.00722.96
8.2.160.0090.00622.25
8.2.150.0040.00424.18
8.2.140.0050.00324.66
8.2.130.0030.00620.93
8.2.120.0050.00226.35
8.2.110.0090.00019.39
8.2.100.0090.00317.93
8.2.90.0080.00019.36
8.2.80.0000.00817.97
8.2.70.0030.00617.75
8.2.60.0000.00818.04
8.2.50.0030.00518.09
8.2.40.0040.00420.45
8.2.30.0050.00219.44
8.2.20.0040.00417.99
8.2.10.0040.00418.11
8.2.00.0040.00418.14
8.1.280.0080.00825.92
8.1.270.0050.00222.11
8.1.260.0070.00028.09
8.1.250.0080.00028.09
8.1.240.0060.00322.43
8.1.230.0110.00017.77
8.1.220.0060.00317.74
8.1.210.0030.00518.77
8.1.200.0080.00017.35
8.1.190.0030.00517.48
8.1.180.0000.00818.10
8.1.170.0100.00018.71
8.1.160.0040.00420.80
8.1.150.0040.00418.96
8.1.140.0040.00419.63
8.1.130.0070.00017.58
8.1.120.0040.00417.61
8.1.110.0040.00417.60
8.1.100.0080.00017.52
8.1.90.0040.00417.64
8.1.80.0080.00017.61
8.1.70.0070.00017.55
8.1.60.0030.00917.53
8.1.50.0030.00517.58
8.1.40.0030.00617.57
8.1.30.0040.00417.75
8.1.20.0030.00517.61
8.1.10.0030.00617.59
8.1.00.0040.00417.68
8.0.300.0000.00818.77
8.0.290.0000.00717.00
8.0.280.0070.00018.53
8.0.270.0040.00417.32
8.0.260.0030.00317.06
8.0.250.0000.00717.21
8.0.240.0000.00617.08
8.0.230.0070.00017.23
8.0.220.0040.00417.07
8.0.210.0050.00317.11
8.0.200.0030.00317.20
8.0.190.0030.00517.10
8.0.180.0000.00717.16
8.0.170.0040.00417.14
8.0.160.0040.00417.26
8.0.150.0040.00416.99
8.0.140.0070.00017.14
8.0.130.0000.00613.50
8.0.120.0040.00416.95
8.0.110.0030.00617.06
8.0.100.0040.00416.98
8.0.90.0080.00017.19
8.0.80.0070.00717.12
8.0.70.0000.00717.14
8.0.60.0030.00617.07
8.0.50.0040.00417.18
8.0.30.0070.01117.22
8.0.20.0120.00717.40
8.0.10.0020.00517.12
8.0.00.0080.01016.84
7.4.330.0000.00516.74
7.4.320.0030.00316.58
7.4.300.0000.00616.52
7.4.290.0050.00216.55
7.4.280.0050.00516.48
7.4.270.0030.00316.59
7.4.260.0000.00816.55
7.4.250.0000.00816.61
7.4.240.0080.00016.71
7.4.230.0070.00016.66
7.4.220.0060.02316.50
7.4.210.0090.00816.64
7.4.200.0080.00016.65
7.4.160.0100.00716.92
7.4.150.0090.00917.40
7.4.140.0150.00817.86
7.4.130.0120.00616.74
7.4.120.0090.01116.63
7.4.110.0100.00716.57
7.4.100.0090.01216.61
7.4.90.0070.01016.84
7.4.80.0090.00819.39
7.4.70.0070.01116.48
7.4.60.0140.00716.74
7.4.50.0150.00316.76
7.4.40.0140.00316.64
7.4.30.0140.00316.61
7.4.00.0100.00715.13
7.3.330.0000.00613.27
7.3.320.0000.00613.50
7.3.310.0070.00016.49
7.3.300.0070.00016.46
7.3.290.0000.00716.37
7.3.280.0120.00616.53
7.3.270.0100.00617.40
7.3.260.0120.00616.59
7.3.250.0100.00916.56
7.3.240.0100.00816.60
7.3.230.0090.01316.64
7.3.210.0130.00616.44
7.3.200.0140.01016.58
7.3.190.0080.00816.65
7.3.180.0100.00616.53
7.3.170.0180.00616.42
7.3.160.0040.01116.69
7.3.120.0030.01614.72
7.3.110.0040.01415.14
7.3.100.0030.01414.79
7.3.90.0070.01115.04
7.3.80.0070.00714.99
7.3.70.0030.00615.06
7.3.60.0030.01015.18
7.3.50.0000.00914.98
7.3.40.0060.00914.95
7.3.30.0060.01014.90
7.3.20.0000.01416.91
7.3.10.0040.01116.88
7.3.00.0120.00317.02
7.2.330.0090.00916.64
7.2.320.0100.01616.52
7.2.310.0070.01016.86
7.2.300.0160.00616.62
7.2.290.0060.00916.54
7.2.250.0040.01114.81
7.2.240.0070.01315.30
7.2.230.0070.00715.23
7.2.220.0120.00015.04
7.2.210.0030.00615.10
7.2.200.0130.00315.02
7.2.190.0030.00915.09
7.2.180.0110.00414.89
7.2.170.0070.00715.14
7.2.60.0000.01417.04
7.2.00.0030.01319.46
7.1.330.0090.00615.78
7.1.320.0070.01015.93
7.1.310.0090.00315.67
7.1.300.0030.00715.67
7.1.290.0000.01215.87
7.1.280.0060.01015.55
7.1.270.0040.01215.73
7.1.260.0060.00615.95
7.1.200.0060.00616.07
7.1.100.0000.01417.98
7.1.70.0040.00417.41
7.1.60.0140.01119.27
7.1.50.0070.01517.16
7.1.00.0000.07722.33
7.0.200.0000.01016.64
7.0.60.0230.06319.92
7.0.50.0070.04017.73
7.0.40.0070.06720.13
7.0.30.0430.07720.25
7.0.20.0300.05020.07
7.0.10.0100.08720.19
7.0.00.0100.08720.17
5.6.280.0000.03720.81
5.6.210.0130.06720.52
5.6.200.0030.07718.16
5.6.190.0100.05020.43
5.6.180.0330.04320.50
5.6.170.0400.06720.51
5.6.160.0070.08720.45
5.6.150.0070.08018.28
5.6.140.0070.08018.17
5.6.130.0100.05018.17
5.6.120.0130.07021.00
5.6.110.0030.06020.98
5.6.100.0100.05021.03
5.6.90.0100.06320.91
5.6.80.0130.05020.51
5.5.350.0370.07020.35
5.5.340.0070.06318.07
5.5.330.0000.06320.21
5.5.320.0630.07020.20
5.5.310.0230.04020.23
5.5.300.0100.04317.98
5.5.290.0170.06018.07
5.5.280.0130.07720.87
5.5.270.0170.07020.96
5.5.260.0100.07720.89
5.5.250.0230.05720.61
5.5.240.0030.04320.26

preferences:
61.94 ms | 401 KiB | 5 Q