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('2016-03-12', '2016-03-31'));// 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)
8.3.60.0120.00616.88
8.3.50.0080.00818.05
8.3.40.0070.00719.10
8.3.30.0040.01118.84
8.3.20.0030.00520.11
8.3.10.0040.00421.91
8.3.00.0040.00423.54
8.2.180.0100.00318.54
8.2.170.0120.00322.96
8.2.160.0030.01022.08
8.2.150.0050.00324.18
8.2.140.0000.00824.66
8.2.130.0060.00320.75
8.2.120.0040.00426.35
8.2.110.0100.01020.97
8.2.100.0080.00418.05
8.2.90.0040.00419.26
8.2.80.0000.00917.97
8.2.70.0070.00317.75
8.2.60.0060.00317.93
8.2.50.0000.00918.09
8.2.40.0030.00522.32
8.2.30.0070.00019.41
8.2.20.0000.00717.88
8.2.10.0040.00418.13
8.2.00.0030.00317.96
8.1.280.0120.00425.92
8.1.270.0030.01322.23
8.1.260.0030.00628.09
8.1.250.0040.00428.09
8.1.240.0090.00022.52
8.1.230.0100.00017.70
8.1.220.0080.00017.74
8.1.210.0030.00518.77
8.1.200.0030.00717.48
8.1.190.0050.00317.25
8.1.180.0000.00818.10
8.1.170.0040.00418.65
8.1.160.0000.00720.74
8.1.150.0040.00418.94
8.1.140.0040.00419.46
8.1.130.0030.00317.75
8.1.120.0070.00017.52
8.1.110.0070.00017.53
8.1.100.0050.00217.47
8.1.90.0050.00217.49
8.1.80.0000.00717.41
8.1.70.0000.00817.42
8.1.60.0000.00717.60
8.1.50.0030.00617.42
8.1.40.0030.00617.56
8.1.30.0040.00417.70
8.1.20.0040.00417.68
8.1.10.0000.00917.58
8.1.00.0000.00717.53
8.0.300.0000.00818.77
8.0.290.0070.00016.88
8.0.280.0000.00718.45
8.0.270.0000.00717.27
8.0.260.0030.00318.38
8.0.250.0000.00617.11
8.0.240.0080.00017.04
8.0.230.0040.00417.14
8.0.220.0000.00717.00
8.0.210.0040.00416.98
8.0.200.0050.00517.14
8.0.190.0040.00417.20
8.0.180.0040.00417.02
8.0.170.0040.00416.96
8.0.160.0070.00016.98
8.0.150.0000.00817.06
8.0.140.0040.00417.02
8.0.130.0030.00313.51
8.0.120.0080.00017.01
8.0.110.0040.00417.11
8.0.100.0040.00416.95
8.0.90.0030.00417.05
8.0.80.0080.01117.06
8.0.70.0040.00416.96
8.0.60.0000.00716.95
8.0.50.0080.00017.02
8.0.30.0070.01417.21
8.0.20.0100.00817.40
8.0.10.0040.00417.00
8.0.00.0120.00616.90
7.4.330.0020.00216.85
7.4.320.0000.00616.46
7.4.300.0060.00016.61
7.4.290.0070.00016.55
7.4.280.0000.01016.51
7.4.270.0000.00716.50
7.4.260.0060.00316.59
7.4.250.0000.00716.59
7.4.240.0000.00716.57
7.4.230.0000.00716.71
7.4.220.0040.01316.71
7.4.210.0120.00416.57
7.4.200.0040.00416.70
7.4.160.0130.00616.80
7.4.150.0100.00717.40
7.4.140.0110.01017.86
7.4.130.0130.00816.59
7.4.120.0140.00616.52
7.4.110.0090.00916.78
7.4.100.0070.01016.69
7.4.90.0070.01016.68
7.4.80.0140.00319.39
7.4.70.0110.00716.51
7.4.60.0000.01616.57
7.4.50.0080.00816.65
7.4.40.0030.01816.79
7.4.30.0150.00316.43
7.4.10.0050.01014.89
7.4.00.0060.01114.94
7.3.330.0000.00613.43
7.3.320.0030.00313.38
7.3.310.0000.00716.40
7.3.300.0070.00016.48
7.3.290.0000.00716.48
7.3.280.0110.00616.41
7.3.270.0120.00617.40
7.3.260.0110.00516.52
7.3.250.0100.00816.55
7.3.240.0050.01416.58
7.3.230.0160.01016.43
7.3.210.0100.00716.53
7.3.200.0120.00419.39
7.3.190.0160.00016.61
7.3.180.0080.00816.60
7.3.170.0100.00716.45
7.3.160.0060.00916.52
7.3.130.0100.00714.74
7.3.120.0060.01014.82
7.3.110.0090.00914.85
7.3.100.0120.00315.04
7.3.90.0050.00914.76
7.3.80.0030.01014.99
7.3.70.0050.00914.87
7.3.60.0080.00714.91
7.3.50.0060.00614.86
7.3.40.0000.01214.84
7.3.30.0040.00914.86
7.3.20.0060.00616.66
7.3.10.0060.00816.77
7.3.00.0090.00316.64
7.2.330.0110.00816.55
7.2.320.0080.00816.49
7.2.310.0060.01116.79
7.2.300.0160.00516.75
7.2.290.0080.00916.78
7.2.260.0100.01015.04
7.2.250.0060.01114.96
7.2.240.0080.00814.87
7.2.230.0070.00815.14
7.2.220.0100.00515.09
7.2.210.0030.01015.11
7.2.200.0050.00915.01
7.2.190.0050.00815.08
7.2.180.0000.01214.88
7.2.170.0090.00714.75
7.2.160.0090.00614.78
7.2.150.0090.00616.87
7.2.140.0040.00816.71
7.2.130.0070.00716.82
7.2.120.0020.01316.82
7.2.110.0080.00816.74
7.2.100.0070.00616.67
7.2.90.0050.01116.85
7.2.80.0030.01217.04
7.2.70.0060.00816.65
7.2.60.0100.00416.80
7.2.50.0040.00916.93
7.2.40.0070.00716.83
7.2.30.0090.00716.80
7.2.20.0050.01317.04
7.2.10.0100.00516.80
7.2.00.0090.00617.45
7.1.330.0080.00715.91
7.1.320.0050.00815.67
7.1.310.0090.00515.71
7.1.300.0100.00315.87
7.1.290.0100.00015.78
7.1.280.0060.00515.58
7.1.270.0100.00415.74
7.1.260.0050.00815.87
7.1.250.0070.00715.69
7.1.240.0080.00615.72
7.1.230.0040.00715.57
7.1.220.0030.00615.90
7.1.210.0030.00915.66
7.1.200.0060.00515.63
7.1.190.0030.00915.55
7.1.180.0050.00515.77
7.1.170.0000.01015.77
7.1.160.0000.01215.55
7.1.150.0040.01115.96
7.1.140.0060.00915.84
7.1.130.0060.00315.84
7.1.120.0100.00315.52
7.1.110.0060.00615.96
7.1.100.0050.00717.11
7.1.90.0040.01515.66
7.1.80.0030.01015.87
7.1.70.0050.00416.44
7.1.60.0110.00717.50
7.1.50.0080.00816.30
7.1.40.0030.00815.48
7.1.30.0060.01015.60
7.1.20.0070.01115.61
7.1.10.0000.00915.75
7.1.00.0030.04319.16
7.0.330.0070.01015.52
7.0.320.0060.00315.70
7.0.310.0060.00615.49
7.0.300.0000.00815.27
7.0.290.0030.00915.52
7.0.280.0000.01015.48
7.0.270.0030.01015.55
7.0.260.0070.00715.48
7.0.250.0040.00715.20
7.0.240.0070.00715.46
7.0.230.0070.01115.36
7.0.220.0000.01215.50
7.0.210.0050.00515.68
7.0.200.0190.00315.23
7.0.190.0060.00915.68
7.0.180.0080.00515.59
7.0.170.0060.00615.61
7.0.160.0100.00715.59
7.0.150.0050.00515.45
7.0.140.0080.00015.59
7.0.130.0110.00015.13
7.0.120.0030.01315.50
7.0.110.0110.00415.60
7.0.100.0060.00315.61
7.0.90.0120.00315.29
7.0.80.0090.00615.62
7.0.70.0060.00615.54
7.0.60.0090.03518.46
7.0.50.0070.04416.78
7.0.40.0070.04416.75
7.0.30.0150.02316.81
7.0.20.0100.02416.81
7.0.10.0010.05016.70
7.0.00.0050.03916.89
5.6.400.0080.00413.96
5.6.390.0030.00614.45
5.6.380.0030.01014.38
5.6.370.0030.01114.43
5.6.360.0030.00614.69
5.6.350.0000.00814.43
5.6.340.0030.00714.42
5.6.330.0040.00814.50
5.6.320.0100.00314.24
5.6.310.0000.01014.39
5.6.300.0030.01014.50
5.6.290.0040.00714.56
5.6.280.0020.04217.85
5.6.270.0000.01014.24
5.6.260.0090.00614.21
5.6.250.0060.00914.18
5.6.240.0100.00014.50
5.6.230.0100.00714.68
5.6.220.0060.00914.32
5.6.210.0070.04217.46
5.6.200.0080.02616.26
5.6.190.0020.02417.63
5.6.180.0220.03317.53
5.6.170.0140.02117.47
5.6.160.0050.02717.40
5.6.150.0100.02016.23
5.6.140.0120.03716.21
5.6.130.0030.04016.21
5.6.120.0100.02517.61
5.6.110.0020.02717.61
5.6.100.0150.04117.65
5.6.90.0020.04617.57
5.6.80.0050.04017.34
5.6.70.0060.00914.19
5.6.60.0080.00613.87
5.6.50.0030.01014.35
5.6.40.0070.00714.22
5.6.30.0060.00614.43
5.6.20.0060.00914.06
5.6.10.0000.01114.13
5.6.00.0040.00714.17
5.5.380.0080.00614.44
5.5.370.0000.01214.29
5.5.360.0060.00914.29
5.5.350.0120.04517.35
5.5.340.0100.04216.02
5.5.330.0020.02917.35
5.5.320.0200.02617.39
5.5.310.0210.03117.33
5.5.300.0070.02316.14
5.5.290.0100.04016.17
5.5.280.0040.03017.67
5.5.270.0070.03017.39
5.5.260.0130.02017.53
5.5.250.0050.03817.34
5.5.240.0150.03217.28
5.5.230.0030.01114.24
5.5.220.0090.00613.82
5.5.210.0100.00313.80
5.5.200.0030.00714.28
5.5.190.0030.01414.01
5.5.180.0060.00914.03
5.5.170.0030.01014.29
5.5.160.0070.00414.42
5.5.150.0030.00714.27
5.5.140.0060.00313.97
5.5.130.0000.01514.09
5.5.120.0080.00314.41
5.5.110.0090.00614.24
5.5.100.0070.00714.10
5.5.90.0070.00414.47
5.5.80.0070.00714.36
5.5.70.0040.01114.27
5.5.60.0080.00013.96
5.5.50.0000.01214.39
5.5.40.0050.00514.35
5.5.30.0000.01214.02
5.5.20.0000.00913.73
5.5.10.0000.01114.33
5.5.00.0100.00014.03

preferences:
59.2 ms | 400 KiB | 5 Q