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('1/2/2018', '2/9/2018'));// 21 var_dump(datediffInWeeks('6/4/2020', '1/2/2021'));// 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)
8.3.60.0140.00718.56
8.3.50.0110.00716.41
8.3.40.0090.00618.96
8.3.30.0040.01118.80
8.3.20.0000.00820.04
8.3.10.0040.00423.78
8.3.00.0040.00419.81
8.2.180.0140.00718.38
8.2.170.0140.00722.96
8.2.160.0150.00020.52
8.2.150.0040.00424.18
8.2.140.0080.00024.66
8.2.130.0030.00619.27
8.2.120.0050.00326.35
8.2.110.0050.00520.52
8.2.100.0100.00318.03
8.2.90.0050.00317.91
8.2.80.0000.00920.52
8.2.70.0000.00817.90
8.2.60.0050.00318.05
8.2.50.0040.00418.32
8.2.40.0030.00620.76
8.2.30.0030.00519.38
8.2.20.0000.00818.12
8.2.10.0000.00718.09
8.2.00.0070.00018.34
8.1.280.0080.00825.92
8.1.270.0040.00422.09
8.1.260.0030.00526.35
8.1.250.0000.00828.09
8.1.240.0040.00423.97
8.1.230.0080.00421.02
8.1.220.0000.00817.91
8.1.210.0090.00018.77
8.1.200.0040.00417.48
8.1.190.0040.00417.65
8.1.180.0060.00318.10
8.1.170.0040.00418.78
8.1.160.0040.00418.90
8.1.150.0020.00520.23
8.1.140.0070.00017.81
8.1.130.0040.00419.05
8.1.120.0040.00417.69
8.1.110.0030.00617.64
8.1.100.0030.00617.59
8.1.90.0070.00017.69
8.1.80.0050.00217.53
8.1.70.0030.00717.71
8.1.60.0040.00417.60
8.1.50.0050.00217.66
8.1.40.0060.00317.59
8.1.30.0090.00017.68
8.1.20.0050.00317.76
8.1.10.0000.00717.73
8.1.00.0040.00417.73
8.0.300.0000.00720.08
8.0.290.0000.00717.00
8.0.280.0000.00718.59
8.0.270.0070.00017.43
8.0.260.0000.00617.09
8.0.250.0080.00017.19
8.0.240.0040.00417.13
8.0.230.0030.00617.11
8.0.220.0070.00017.06
8.0.210.0030.00517.13
8.0.200.0030.00317.23
8.0.190.0000.00717.12
8.0.180.0030.00317.23
8.0.170.0050.00317.21
8.0.160.0070.00017.17
8.0.150.0050.00316.93
8.0.140.0000.00717.10
8.0.130.0030.00313.53
8.0.120.0070.00017.11
8.0.110.0030.00517.15
8.0.100.0000.00717.06
8.0.90.0000.00717.05
8.0.80.0080.00817.16
8.0.70.0000.00817.26
8.0.60.0030.00617.19
8.0.50.0040.00416.98
8.0.30.0100.00817.22
8.0.20.0120.00717.46
8.0.10.0040.00417.26
8.0.00.0060.01217.02
7.4.330.0020.00215.55
7.4.320.0060.00016.69
7.4.300.0030.00316.73
7.4.290.0030.00316.55
7.4.280.0000.00816.62
7.4.270.0040.00416.78
7.4.260.0000.00716.64
7.4.250.0070.00016.63
7.4.240.0060.00316.57
7.4.230.0040.00416.76
7.4.220.0000.00716.63
7.4.210.0100.00816.74
7.4.200.0000.00716.73
7.4.160.0060.00916.76
7.4.150.0140.00717.40
7.4.140.0110.01217.86
7.4.130.0100.00716.88
7.4.120.0120.00916.73
7.4.110.0100.00616.75
7.4.100.0030.01316.73
7.4.90.0080.00916.75
7.4.80.0170.00719.39
7.4.70.0140.00716.68
7.4.60.0110.00716.57
7.4.50.0000.01216.45
7.4.40.0140.00416.81
7.4.00.0070.01015.01
7.3.330.0000.00513.50
7.3.320.0000.00613.26
7.3.310.0000.00716.44
7.3.300.0000.00716.32
7.3.290.0030.00516.45
7.3.280.0080.01316.42
7.3.270.0060.01617.40
7.3.260.0060.01416.64
7.3.250.0100.00716.47
7.3.240.0080.00816.62
7.3.230.0100.00616.73
7.3.210.0080.00816.67
7.3.200.0070.01116.68
7.3.190.0000.02016.72
7.3.180.0140.00716.73
7.3.170.0030.01316.53
7.3.160.0060.00916.70
7.3.120.0090.00614.98
7.3.110.0070.01014.97
7.3.100.0070.01015.01
7.3.90.0040.01115.07
7.3.80.0040.00814.78
7.3.70.0030.00614.89
7.3.60.0070.00715.05
7.3.50.0000.01114.75
7.3.40.0040.00414.66
7.3.30.0070.00715.11
7.3.20.0030.01316.74
7.3.10.0030.00716.79
7.3.00.0070.00716.76
7.2.330.0030.01316.53
7.2.320.0090.00616.67
7.2.310.0030.01216.61
7.2.300.0050.01416.47
7.2.290.0060.01616.66
7.2.250.0060.01215.37
7.2.240.0030.01715.07
7.2.230.0040.01515.36
7.2.220.0070.00715.35
7.2.210.0000.01215.50
7.2.200.0000.01714.89
7.2.190.0100.00315.06
7.2.180.0030.00614.80
7.2.170.0090.00615.06
7.2.60.0030.01017.12
7.2.20.0410.01417.96
7.2.10.0320.00917.68
7.2.00.0880.01317.88
7.1.330.0040.00816.03
7.1.320.0000.01116.00
7.1.310.0000.01316.06
7.1.300.0100.00315.83
7.1.290.0040.00415.80
7.1.280.0000.01816.12
7.1.270.0000.01615.90
7.1.260.0070.00716.04
7.1.200.0050.00515.80
7.1.140.0350.00717.05
7.1.130.0210.01416.89
7.1.120.0350.00716.74
7.1.110.0270.01516.42
7.1.100.0360.01116.43
7.1.90.0280.02116.11
7.1.80.0290.00516.16
7.1.70.0320.00715.55
7.1.60.0390.01833.24
7.1.50.0420.01632.95
7.1.40.0550.00732.75
7.1.30.0410.01432.74
7.1.20.0370.00733.08
7.1.10.0300.01014.98
7.1.00.0290.01115.00

preferences:
57.19 ms | 400 KiB | 5 Q