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('01/02/2018', '02/09/2018'));// 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)
8.3.60.0130.01018.68
8.3.50.0040.01216.23
8.3.40.0040.01118.79
8.3.30.0070.00718.65
8.3.20.0030.00620.46
8.3.10.0070.00023.77
8.3.00.0040.00419.69
8.2.180.0140.00718.32
8.2.170.0150.00022.96
8.2.160.0070.00720.47
8.2.150.0040.00424.18
8.2.140.0040.00424.66
8.2.130.0040.00419.48
8.2.120.0000.00726.35
8.2.110.0070.00320.47
8.2.100.0100.00318.03
8.2.90.0040.00418.09
8.2.80.0040.00420.61
8.2.70.0050.00318.16
8.2.60.0000.00818.05
8.2.50.0060.00318.16
8.2.40.0070.00020.59
8.2.30.0040.00419.45
8.2.20.0110.00018.07
8.2.10.0060.00318.27
8.2.00.0000.00718.42
8.1.280.0120.00925.92
8.1.270.0030.00623.99
8.1.260.0080.00026.35
8.1.250.0080.00028.09
8.1.240.0060.00323.92
8.1.230.0040.00820.94
8.1.220.0000.00917.74
8.1.210.0050.00318.83
8.1.200.0060.00317.10
8.1.190.0030.00617.35
8.1.180.0050.00218.10
8.1.170.0040.00418.76
8.1.160.0040.00419.01
8.1.150.0030.00320.32
8.1.140.0060.00317.82
8.1.130.0030.00319.13
8.1.120.0000.00817.62
8.1.110.0000.00917.53
8.1.100.0050.00317.58
8.1.90.0040.00417.61
8.1.80.0000.00717.64
8.1.70.0110.00017.69
8.1.60.0060.00317.74
8.1.50.0000.00817.54
8.1.40.0030.00517.64
8.1.30.0090.00017.69
8.1.20.0040.00417.68
8.1.10.0040.00417.61
8.1.00.0070.00017.71
8.0.300.0070.00020.16
8.0.290.0040.00416.88
8.0.280.0030.00318.48
8.0.270.0040.00417.31
8.0.260.0000.00816.97
8.0.250.0040.00717.09
8.0.240.0000.00717.22
8.0.230.0060.00317.20
8.0.220.0080.00017.21
8.0.210.0030.00517.04
8.0.200.0030.00317.17
8.0.190.0000.00717.10
8.0.180.0000.00717.23
8.0.170.0060.00317.14
8.0.160.0030.00317.21
8.0.150.0070.00017.05
8.0.140.0050.00317.11
8.0.130.0040.00413.56
8.0.120.0000.00817.14
8.0.110.0000.00817.06
8.0.100.0080.00016.95
8.0.90.0070.00017.17
8.0.80.0070.01417.15
8.0.70.0040.00417.02
8.0.60.0040.00417.19
8.0.50.0070.00017.18
8.0.30.0110.00717.27
8.0.20.0100.01117.42
8.0.10.0050.00317.09
8.0.00.0090.00917.11
7.4.330.0000.00515.55
7.4.320.0030.00316.73
7.4.300.0060.00016.77
7.4.290.0000.00716.71
7.4.280.0000.00716.71
7.4.270.0080.00016.73
7.4.260.0000.00816.52
7.4.250.0040.00416.60
7.4.240.0040.00416.54
7.4.230.0000.00716.64
7.4.220.0000.00716.58
7.4.210.0070.01216.70
7.4.200.0070.00016.64
7.4.160.0060.01016.69
7.4.150.0130.00617.40
7.4.140.0160.00617.86
7.4.130.0030.01716.77
7.4.120.0120.00716.61
7.4.110.0070.01316.64
7.4.100.0000.01916.76
7.4.90.0100.00716.80
7.4.80.0060.01319.39
7.4.70.0080.00816.59
7.4.60.0170.00516.74
7.4.50.0070.00716.58
7.4.40.0070.01416.67
7.4.10.0070.01115.04
7.4.00.0080.00714.89
7.3.330.0000.00513.44
7.3.320.0000.00613.39
7.3.310.0060.00016.32
7.3.300.0000.00716.33
7.3.290.0040.00416.45
7.3.280.0070.01116.40
7.3.270.0110.00617.40
7.3.260.0090.00816.61
7.3.250.0110.00616.51
7.3.240.0110.00616.69
7.3.230.0100.00616.71
7.3.210.0040.01216.55
7.3.200.0090.00916.78
7.3.190.0110.00316.80
7.3.180.0070.01516.70
7.3.170.0100.00716.75
7.3.160.0130.00316.41
7.3.130.0100.00715.02
7.3.120.0070.00814.97
7.3.110.0030.01114.81
7.3.100.0030.01015.12
7.3.90.0030.00715.04
7.3.80.0070.00514.86
7.3.70.0070.00515.08
7.3.60.0040.00715.07
7.3.50.0000.00914.89
7.3.40.0040.01014.83
7.3.30.0040.00914.93
7.3.20.0060.00616.89
7.3.10.0080.00516.72
7.3.00.0070.00616.79
7.2.330.0160.00016.89
7.2.320.0130.00316.98
7.2.310.0070.00917.03
7.2.300.0060.01516.95
7.2.290.0130.01017.02
7.2.260.0090.00915.10
7.2.250.0100.00714.61
7.2.240.0080.00815.07
7.2.230.0020.01315.12
7.2.220.0080.00815.12
7.2.210.0070.00815.04
7.2.200.0080.00515.08
7.2.190.0060.00814.95
7.2.180.0000.01315.09
7.2.170.0130.00215.20
7.2.160.0070.00915.09
7.2.150.0040.00916.87
7.2.140.0080.00817.05
7.2.130.0070.00717.06
7.2.120.0080.00216.90
7.2.110.0070.00516.98
7.2.100.0100.00317.06
7.2.90.0080.00416.81
7.2.80.0070.00517.04
7.2.70.0010.01317.03
7.2.60.0080.00716.88
7.2.50.0050.00916.80
7.2.40.0090.00317.00
7.2.30.0030.01016.82
7.2.20.0120.00817.34
7.2.10.0100.00717.20
7.2.00.0150.00817.32
7.1.330.0100.00515.91
7.1.320.0090.00615.73
7.1.310.0050.01016.02
7.1.300.0070.00515.87
7.1.290.0020.01215.83
7.1.280.0040.00915.81
7.1.270.0080.00415.95
7.1.260.0050.01015.82
7.1.250.0050.00815.69
7.1.240.0030.00615.61
7.1.230.0100.00316.11
7.1.220.0100.00715.74
7.1.210.0030.00715.97
7.1.200.0090.00215.87
7.1.190.0040.00715.67
7.1.180.0070.00415.98
7.1.170.0080.00316.00
7.1.160.0060.00615.71
7.1.150.0030.00615.86
7.1.140.0100.00916.23
7.1.130.0100.01016.21
7.1.120.0130.00716.36
7.1.110.0150.00516.10
7.1.100.0140.01116.06
7.1.90.0130.00816.09
7.1.80.0140.00915.89
7.1.70.0100.01215.55
7.1.60.0220.01324.67
7.1.50.0690.00524.46
7.1.40.0260.01424.39
7.1.30.0210.00924.35
7.1.20.0230.00924.31
7.1.10.0170.00715.35
7.1.00.0150.01315.55
7.0.330.0030.00915.57
7.0.320.0100.00715.68
7.0.310.0040.00815.53
7.0.300.0100.00015.63
7.0.290.0040.01115.52
7.0.280.0000.01215.53
7.0.270.0000.00915.52
7.0.260.0060.00915.34
7.0.250.0000.01615.36
7.0.240.0030.00715.65
7.0.230.0110.00015.55
7.0.220.0080.00015.46
7.0.210.0060.00615.69
7.0.200.0000.01415.16
7.0.190.0070.00715.69
7.0.180.0030.01015.59
7.0.170.0090.00615.73
7.0.160.0030.01415.24
7.0.150.0090.00615.54
7.0.140.0030.00915.40
7.0.130.0030.01215.47
7.0.120.0060.00615.49
7.0.110.0060.00615.24
7.0.100.0030.00615.44
7.0.90.0030.00715.60
7.0.80.0140.00015.57
7.0.70.0030.00615.31
7.0.60.0060.00315.57
7.0.50.0000.01215.56
7.0.40.0060.00913.56
7.0.30.0080.01113.44
7.0.20.0000.01013.69
7.0.10.0060.01113.26
7.0.00.0000.01513.43
5.6.400.0070.01014.18
5.6.390.0040.01114.45
5.6.380.0040.00814.77
5.6.370.0030.01014.74
5.6.360.0120.00014.68
5.6.350.0030.00914.39
5.6.340.0100.00314.82
5.6.330.0000.00914.44
5.6.320.0070.00414.55
5.6.310.0000.01514.30
5.6.300.0100.00314.56
5.6.290.0060.00614.46
5.6.280.0070.00714.54
5.6.270.0090.00614.57
5.6.260.0060.00314.30
5.6.250.0030.00914.63
5.6.240.0030.01014.59
5.6.230.0060.00914.54
5.6.220.0080.00314.35
5.6.210.0070.00714.21
5.6.200.0000.01114.47
5.6.190.0080.00814.43
5.6.180.0120.00314.40
5.6.170.0030.00614.30
5.6.160.0040.01114.37
5.6.150.0000.01114.23
5.6.140.0000.01114.29
5.6.130.0080.00414.50
5.6.120.0030.01414.68
5.6.110.0090.00614.32
5.6.100.0030.01614.32
5.6.90.0000.01414.37
5.6.80.0060.00914.34
5.6.70.0040.01414.38
5.6.60.0000.01514.41
5.6.50.0000.01014.28
5.6.40.0060.00614.68
5.6.30.0000.01314.37
5.6.20.0060.00314.40
5.6.10.0070.00314.52
5.6.00.0030.00714.32

preferences:
60.42 ms | 400 KiB | 5 Q