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)
8.3.60.0040.01416.63
8.3.50.0080.00818.17
8.3.40.0040.01118.87
8.3.30.0100.00318.76
8.3.20.0020.00520.34
8.3.10.0030.00621.85
8.3.00.0040.00423.62
8.2.180.0110.00416.73
8.2.170.0140.00322.96
8.2.160.0070.00722.13
8.2.150.0080.00024.18
8.2.140.0040.00424.66
8.2.130.0030.00520.76
8.2.120.0000.00726.35
8.2.110.0060.00319.34
8.2.100.0060.00617.84
8.2.90.0050.00319.08
8.2.80.0000.00817.97
8.2.70.0000.00817.88
8.2.60.0000.00717.80
8.2.50.0040.00418.10
8.2.40.0000.00822.23
8.2.30.0070.00019.43
8.2.20.0000.00717.75
8.2.10.0000.00718.15
8.2.00.0040.00417.97
8.1.280.0070.00725.92
8.1.270.0000.01522.02
8.1.260.0070.00428.09
8.1.250.0070.00028.09
8.1.240.0030.00624.02
8.1.230.0140.00017.82
8.1.220.0000.00917.74
8.1.210.0090.00018.77
8.1.200.0060.00317.38
8.1.190.0040.00417.35
8.1.180.0000.00818.10
8.1.170.0030.00518.71
8.1.160.0000.00720.76
8.1.150.0000.00718.90
8.1.140.0000.00919.45
8.1.130.0000.00717.71
8.1.120.0040.00417.54
8.1.110.0000.00717.48
8.1.100.0070.00017.51
8.1.90.0040.00417.54
8.1.80.0040.00417.39
8.1.70.0000.00717.45
8.1.60.0040.00417.47
8.1.50.0030.00617.57
8.1.40.0040.00417.54
8.1.30.0090.00017.55
8.1.20.0040.00417.62
8.1.10.0040.00417.63
8.1.00.0050.00217.53
8.0.300.0060.00318.77
8.0.290.0000.00716.88
8.0.280.0030.00318.30
8.0.270.0030.00317.14
8.0.260.0070.00018.48
8.0.250.0030.00317.05
8.0.240.0070.00017.14
8.0.230.0000.00717.04
8.0.220.0000.00716.97
8.0.210.0050.00317.09
8.0.200.0090.00017.04
8.0.190.0080.00017.17
8.0.180.0040.00417.13
8.0.170.0020.00517.04
8.0.160.0050.00217.00
8.0.150.0000.01017.05
8.0.140.0080.00017.08
8.0.130.0000.00613.51
8.0.120.0000.00817.08
8.0.110.0070.00016.93
8.0.100.0090.00017.04
8.0.90.0000.00717.12
8.0.80.0110.00917.08
8.0.70.0070.00017.15
8.0.60.0050.00217.04
8.0.50.0000.00716.88
8.0.30.0110.00917.21
8.0.20.0090.01117.40
8.0.10.0040.00417.20
8.0.00.0100.00716.81
7.4.330.0050.00016.79
7.4.320.0060.00016.48
7.4.300.0000.00616.49
7.4.290.0030.00316.46
7.4.280.0090.00316.49
7.4.270.0050.00316.48
7.4.260.0070.00316.59
7.4.250.0040.00416.53
7.4.240.0030.00516.51
7.4.230.0030.00316.50
7.4.220.0060.02016.68
7.4.210.0150.00316.65
7.4.200.0040.00416.32
7.4.160.0090.00616.45
7.4.150.0130.00617.40
7.4.140.0130.00617.86
7.4.130.0120.00916.53
7.4.120.0060.01116.58
7.4.110.0100.00616.66
7.4.100.0110.01116.50
7.4.90.0200.00316.55
7.4.80.0110.01119.39
7.4.70.0070.01716.66
7.4.60.0040.01616.55
7.4.50.0030.00716.22
7.4.40.0090.00916.57
7.4.30.0120.00616.50
7.4.10.0070.01115.22
7.4.00.0090.00715.10
7.3.330.0000.00513.39
7.3.320.0030.00513.29
7.3.310.0040.00416.34
7.3.300.0030.00316.40
7.3.290.0000.00716.32
7.3.280.0070.00916.38
7.3.270.0090.00917.40
7.3.260.0080.00816.48
7.3.250.0120.00816.55
7.3.240.0110.00816.46
7.3.230.0120.01016.41
7.3.210.0100.00616.53
7.3.200.0110.00619.39
7.3.190.0080.01316.43
7.3.180.0120.00316.44
7.3.170.0150.00916.55
7.3.160.0150.00016.52
7.3.130.0060.01314.87
7.3.120.0050.01214.95
7.3.110.0070.00715.01
7.3.100.0000.01414.98
7.3.90.0060.00915.09
7.3.80.0030.01215.07
7.3.70.0000.01314.85
7.3.60.0050.00514.80
7.3.50.0070.01114.89
7.3.40.0030.00714.84
7.3.30.0030.01014.86
7.3.20.0090.00616.81
7.3.10.0030.00616.58
7.3.00.0030.01016.70
7.2.330.0110.01116.86
7.2.320.0130.00316.75
7.2.310.0080.00816.73
7.2.300.0170.00016.52
7.2.290.0100.01316.47
7.2.260.0070.01314.74
7.2.250.0090.01015.25
7.2.240.0080.00614.75
7.2.230.0100.00715.12
7.2.220.0030.01315.05
7.2.210.0030.00914.95
7.2.200.0040.01114.36
7.2.190.0070.01014.78
7.2.180.0100.00615.18
7.2.170.0100.00314.92
7.2.160.0060.00315.05
7.2.150.0070.00716.66
7.2.140.0100.00316.92
7.2.130.0090.00616.88
7.2.120.0120.00316.78
7.2.110.0080.00716.67
7.2.100.0040.00717.11
7.2.90.0100.00716.62
7.2.80.0070.00316.63
7.2.70.0030.00716.95
7.2.60.0100.00517.01
7.2.50.0030.01316.81
7.2.40.0070.00716.76
7.2.30.0030.00916.99
7.2.20.0070.00716.62
7.2.10.0030.01316.84
7.2.00.0090.00518.07
7.1.330.0060.00915.90
7.1.320.0040.01215.90
7.1.310.0030.01015.82
7.1.300.0090.00015.78
7.1.290.0060.00315.85
7.1.280.0060.00615.66
7.1.270.0100.00315.70
7.1.260.0000.00915.56
7.1.250.0070.00715.76
7.1.240.0080.00315.80
7.1.230.0070.01015.84
7.1.220.0070.00415.87
7.1.210.0030.00915.96
7.1.200.0050.00715.69
7.1.190.0040.01115.64
7.1.180.0060.00615.70
7.1.170.0000.00815.94
7.1.160.0080.00415.96
7.1.150.0040.00415.69
7.1.140.0030.01015.85
7.1.130.0000.01615.82
7.1.120.0000.01415.82
7.1.110.0120.00415.91
7.1.100.0080.00617.02
7.1.90.0000.01415.85
7.1.80.0040.01116.03
7.1.70.0090.00516.49
7.1.60.0120.00817.60
7.1.50.0050.01216.38
7.1.40.0060.01015.70
7.1.30.0000.00915.68
7.1.20.0090.00615.86
7.1.10.0040.00415.70
7.1.00.0050.04119.00
7.0.330.0000.01415.43
7.0.320.0000.01115.17
7.0.310.0040.00815.64
7.0.300.0090.00015.57
7.0.290.0070.00715.60
7.0.280.0000.01115.46
7.0.270.0000.00815.28
7.0.260.0070.00715.54
7.0.250.0100.00315.45
7.0.240.0110.00315.54
7.0.230.0030.01315.33
7.0.220.0090.00615.32
7.0.210.0030.00615.46
7.0.200.0150.00915.29
7.0.190.0070.00715.57
7.0.180.0030.00715.50
7.0.170.0030.00715.24
7.0.160.0070.00715.50
7.0.150.0030.01015.61
7.0.140.0030.01315.45
7.0.130.0060.00315.62
7.0.120.0040.00815.18
7.0.110.0040.01115.46
7.0.100.0000.00915.34
7.0.90.0080.00615.29
7.0.80.0110.00415.22
7.0.70.0030.00915.25
7.0.60.0030.04018.53
7.0.50.0050.04416.80
7.0.40.0080.04516.88
7.0.30.0250.02316.82
7.0.20.0030.03216.85
7.0.10.0060.03516.89
7.0.00.0080.04016.92
5.6.400.0000.00814.38
5.6.390.0080.00414.25
5.6.380.0080.00414.20
5.6.370.0000.01414.10
5.6.360.0150.00014.06
5.6.350.0030.00614.16
5.6.340.0070.00714.64
5.6.330.0060.00914.10
5.6.320.0060.00914.56
5.6.310.0090.00314.14
5.6.300.0110.00414.52
5.6.290.0090.00614.33
5.6.280.0040.03817.93
5.6.270.0060.00314.25
5.6.260.0040.01114.16
5.6.250.0070.00714.34
5.6.240.0050.00514.38
5.6.230.0070.00314.47
5.6.220.0030.00914.47
5.6.210.0070.03517.51
5.6.200.0020.02716.32
5.6.190.0030.02917.56
5.6.180.0170.03217.50
5.6.170.0210.02917.41
5.6.160.0060.02517.50
5.6.150.0080.04116.11
5.6.140.0040.04116.34
5.6.130.0060.02516.35
5.6.120.0050.02517.71
5.6.110.0050.02317.70
5.6.100.0100.03017.52
5.6.90.0030.04517.72
5.6.80.0080.03317.33
5.6.70.0000.01014.32
5.6.60.0040.01414.18
5.6.50.0090.00314.31
5.6.40.0030.00714.07
5.6.30.0090.00614.47
5.6.20.0140.00314.41
5.6.10.0040.01414.21
5.6.00.0100.00314.19
5.5.380.0000.01514.40
5.5.370.0030.00614.06
5.5.360.0120.00314.20
5.5.350.0100.04317.20
5.5.340.0080.02616.15
5.5.330.0030.02517.34
5.5.320.0100.02917.16
5.5.310.0220.04217.30
5.5.300.0070.02516.15
5.5.290.0070.04516.02
5.5.280.0040.04817.60
5.5.270.0020.03217.63
5.5.260.0050.02117.50
5.5.250.0070.02817.47
5.5.240.0150.03317.19
5.5.230.0080.00814.12
5.5.220.0060.01014.39
5.5.210.0060.00913.98
5.5.200.0000.01114.15
5.5.190.0030.01314.01
5.5.180.0030.01014.41
5.5.170.0030.01014.18
5.5.160.0070.00614.12
5.5.150.0080.00514.09
5.5.140.0040.00714.30
5.5.130.0080.00614.20
5.5.120.0000.01514.02
5.5.110.0090.00614.25
5.5.100.0060.00314.48
5.5.90.0070.01113.92
5.5.80.0060.00314.29
5.5.70.0040.01414.05
5.5.60.0050.00513.91
5.5.50.0000.00914.34
5.5.40.0030.01013.97
5.5.30.0000.00914.44
5.5.20.0100.00314.02
5.5.10.0030.01014.13
5.5.00.0090.00614.23

preferences:
55.75 ms | 401 KiB | 5 Q