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)
8.3.40.0070.00718.91
8.3.30.0100.00318.84
8.3.20.0000.00720.34
8.3.10.0050.00221.82
8.3.00.0080.00023.59
8.2.170.0070.00722.96
8.2.160.0110.00422.29
8.2.150.0080.00024.18
8.2.140.0040.00424.66
8.2.130.0000.00820.68
8.2.120.0070.00026.35
8.2.110.0050.00520.84
8.2.100.0070.00417.93
8.2.90.0080.00019.22
8.2.80.0030.00517.97
8.2.70.0030.00617.75
8.2.60.0090.00017.79
8.2.50.0000.00818.09
8.2.40.0040.00422.17
8.2.30.0030.00319.41
8.2.20.0040.00417.76
8.2.10.0020.00518.18
8.2.00.0050.00218.06
8.1.270.0000.01422.14
8.1.260.0040.00828.09
8.1.250.0040.00428.09
8.1.240.0060.00322.54
8.1.230.0040.00817.70
8.1.220.0050.00317.74
8.1.210.0040.00418.77
8.1.200.0030.00717.38
8.1.190.0080.00017.23
8.1.180.0080.00018.10
8.1.170.0050.00318.60
8.1.160.0040.00420.69
8.1.150.0070.00019.01
8.1.140.0000.00819.45
8.1.130.0030.00317.77
8.1.120.0070.00017.56
8.1.110.0070.00017.52
8.1.100.0060.00317.51
8.1.90.0050.00217.55
8.1.80.0050.00217.44
8.1.70.0050.00217.58
8.1.60.0040.00417.55
8.1.50.0000.00817.43
8.1.40.0000.00817.54
8.1.30.0080.00017.64
8.1.20.0040.00417.61
8.1.10.0040.00417.59
8.1.00.0040.00417.55
8.0.300.0000.00718.77
8.0.290.0040.00416.88
8.0.280.0000.00718.46
8.0.270.0000.00717.22
8.0.260.0080.00018.40
8.0.250.0070.00017.17
8.0.240.0040.00417.12
8.0.230.0000.00817.01
8.0.220.0000.00717.02
8.0.210.0030.00317.13
8.0.200.0030.00617.11
8.0.190.0040.00417.10
8.0.180.0070.00017.10
8.0.170.0000.00717.14
8.0.160.0000.00717.00
8.0.150.0000.00717.05
8.0.140.0000.00716.93
8.0.130.0050.00013.45
8.0.120.0050.00317.01
8.0.110.0000.00816.93
8.0.100.0000.00716.90
8.0.90.0040.00417.13
8.0.80.0000.01917.13
8.0.70.0040.00417.06
8.0.60.0000.00717.11
8.0.50.0030.00516.95
8.0.30.0140.00317.07
8.0.20.0080.01117.40
8.0.10.0030.00517.14
8.0.00.0070.01016.70
7.4.330.0000.00516.67
7.4.320.0060.00016.61
7.4.300.0030.00316.53
7.4.290.0030.00316.55
7.4.280.0000.01116.56
7.4.270.0030.00316.54
7.4.260.0020.01016.48
7.4.250.0000.00716.62
7.4.240.0040.00416.53
7.4.230.0000.00716.30
7.4.220.0090.00916.62
7.4.210.0060.01216.44
7.4.200.0070.00016.67
7.4.160.0100.01016.74
7.4.150.0040.01417.40
7.4.140.0100.01017.86
7.4.130.0140.00616.66
7.4.120.0080.00916.42
7.4.110.0070.01016.74
7.4.100.0120.00916.65
7.4.90.0100.00616.78
7.4.80.0070.01019.39
7.4.70.0130.01016.61
7.4.60.0260.00016.65
7.4.50.0070.01116.29
7.4.40.0170.00016.78
7.4.30.0130.00416.82
7.4.10.0100.01014.91
7.4.00.0050.01214.98
7.3.330.0000.00513.38
7.3.320.0030.00513.43
7.3.310.0000.00716.29
7.3.300.0040.00416.31
7.3.290.0000.00716.43
7.3.280.0070.01016.42
7.3.270.0090.00817.40
7.3.260.0070.01016.48
7.3.250.0130.00716.56
7.3.240.0090.00916.51
7.3.230.0120.00916.49
7.3.210.0130.00616.41
7.3.200.0090.00919.39
7.3.190.0060.01016.60
7.3.180.0040.01816.57
7.3.170.0100.00716.46
7.3.160.0060.00916.48
7.3.130.0080.00814.95
7.3.120.0070.01014.82
7.3.110.0120.00615.07
7.3.100.0040.00714.93
7.3.90.0070.00714.82
7.3.80.0050.00514.88
7.3.70.0040.01214.81
7.3.60.0040.01214.86
7.3.50.0080.00314.73
7.3.40.0070.00714.74
7.3.30.0030.01314.78
7.3.20.0070.00716.60
7.3.10.0100.00316.74
7.3.00.0000.01516.77
7.2.330.0080.00916.45
7.2.320.0130.00316.52
7.2.310.0080.00816.54
7.2.300.0070.01016.75
7.2.290.0100.00716.49
7.2.260.0100.00714.90
7.2.250.0060.01314.91
7.2.240.0120.00415.04
7.2.230.0040.01215.09
7.2.220.0100.00315.11
7.2.210.0040.00414.96
7.2.200.0110.00714.94
7.2.190.0040.01114.93
7.2.180.0070.00714.66
7.2.170.0080.00814.89
7.2.160.0040.00715.02
7.2.150.0080.00316.88
7.2.140.0130.00316.88
7.2.130.0070.01016.91
7.2.120.0030.00616.86
7.2.110.0380.00616.56
7.2.100.0100.00616.85
7.2.90.0040.01116.93
7.2.80.0040.01216.67
7.2.70.0130.00316.97
7.2.60.0040.00916.90
7.2.50.0060.00916.62
7.2.40.0130.00316.98
7.2.30.0060.00917.02
7.2.20.0000.01616.85
7.2.10.0000.01416.93
7.2.00.0080.00318.18
7.1.330.0070.00715.64
7.1.320.0080.00415.72
7.1.310.0070.00315.91
7.1.300.0090.00615.91
7.1.290.0070.00415.89
7.1.280.0060.00815.74
7.1.270.0000.01215.68
7.1.260.0120.00415.75
7.1.250.0000.01115.84
7.1.240.0000.01215.98
7.1.230.0030.01215.89
7.1.220.0070.00715.85
7.1.210.0000.01115.71
7.1.200.0100.00515.92
7.1.190.0070.00315.93
7.1.180.0110.00015.94
7.1.170.0030.01015.40
7.1.160.0100.00615.99
7.1.150.0110.00315.75
7.1.140.0080.00515.40
7.1.130.0100.00315.84
7.1.120.0110.00315.98
7.1.110.0090.00015.87
7.1.100.0060.00816.91
7.1.90.0060.01016.04
7.1.80.0070.00715.97
7.1.70.0010.00916.59
7.1.60.0130.00517.68
7.1.50.0070.01316.54
7.1.40.0090.00315.79
7.1.30.0040.00815.70
7.1.20.0030.00915.63
7.1.10.0070.00715.85
7.1.00.0050.04019.04
7.0.330.0030.01015.41
7.0.320.0000.01715.38
7.0.310.0040.01115.58
7.0.300.0030.01015.48
7.0.290.0030.00815.30
7.0.280.0030.00915.53
7.0.270.0060.00615.45
7.0.260.0000.00815.29
7.0.250.0000.01315.20
7.0.240.0070.01015.25
7.0.230.0090.00615.46
7.0.220.0040.01115.35
7.0.210.0040.00715.10
7.0.200.0190.00315.37
7.0.190.0000.01415.27
7.0.180.0090.00615.46
7.0.170.0060.00915.33
7.0.160.0060.00615.55
7.0.150.0080.00315.18
7.0.140.0040.00815.32
7.0.130.0000.00915.66
7.0.120.0120.00015.21
7.0.110.0040.00815.27
7.0.100.0030.00615.26
7.0.90.0030.01215.22
7.0.80.0030.00715.32
7.0.70.0040.01215.31
7.0.60.0110.04118.59
7.0.50.0070.04416.70
7.0.40.0110.04016.81
7.0.30.0270.04316.98
7.0.20.0080.02516.69
7.0.10.0070.02716.96
7.0.00.0080.04216.91
5.6.400.0100.00314.41
5.6.390.0070.00414.36
5.6.380.0090.00314.44
5.6.370.0100.00314.45
5.6.360.0000.01314.71
5.6.350.0000.01414.29
5.6.340.0000.01314.57
5.6.330.0040.01114.17
5.6.320.0000.01614.50
5.6.310.0000.00814.44
5.6.300.0060.00614.27
5.6.290.0100.00714.38
5.6.280.0080.03617.63
5.6.270.0040.00814.37
5.6.260.0040.01114.37
5.6.250.0040.00714.33
5.6.240.0040.01214.25
5.6.230.0040.00414.47
5.6.220.0030.01014.32
5.6.210.0050.04017.58
5.6.200.0070.02216.21
5.6.190.0020.02717.30
5.6.180.0260.02717.71
5.6.170.0130.02817.52
5.6.160.0060.04617.44
5.6.150.0060.04216.19
5.6.140.0090.03416.28
5.6.130.0030.02616.20
5.6.120.0050.02417.62
5.6.110.0050.02517.77
5.6.100.0100.04317.73
5.6.90.0020.05017.71
5.6.80.0030.03217.30
5.6.70.0110.00013.95
5.6.60.0000.01314.43
5.6.50.0030.01014.23
5.6.40.0060.00914.08
5.6.30.0030.00714.24
5.6.20.0060.01014.20
5.6.10.0070.01114.42
5.6.00.0050.00814.27
5.5.380.0040.00814.44
5.5.370.0060.00314.18
5.5.360.0100.00714.05
5.5.350.0120.04317.27
5.5.340.0040.03216.18
5.5.330.0060.03117.41
5.5.320.0150.02217.35
5.5.310.0200.04017.26
5.5.300.0070.04016.00
5.5.290.0090.03316.21
5.5.280.0020.04517.42
5.5.270.0090.02017.65
5.5.260.0040.02317.61
5.5.250.0060.04817.41
5.5.240.0110.03817.23
5.5.230.0040.01114.37
5.5.220.0030.00913.91
5.5.210.0060.00314.21
5.5.200.0000.01014.17
5.5.190.0070.01014.16
5.5.180.0060.00914.20
5.5.170.0120.00314.24
5.5.160.0100.00314.36
5.5.150.0070.00714.33
5.5.140.0040.01114.21
5.5.130.0030.01414.19
5.5.120.0140.00014.15
5.5.110.0070.00414.10
5.5.100.0070.00714.04
5.5.90.0070.00813.84
5.5.80.0100.00314.05
5.5.70.0030.00614.10
5.5.60.0060.00314.34
5.5.50.0080.00314.26
5.5.40.0000.00914.25
5.5.30.0080.00814.31
5.5.20.0080.00814.08
5.5.10.0030.00914.00
5.5.00.0030.01314.21

preferences:
64.47 ms | 400 KiB | 5 Q