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(ceil((int)datediffInWeeks('1/2/2013', '1/3/2013')));// 21 var_dump(datediffInWeeks('6/4/2013', '1/2/2013'));// 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)
8.3.60.0170.00316.75
8.3.50.0160.00621.12
8.3.40.0100.00718.96
8.3.30.0060.01018.97
8.3.20.0030.00620.25
8.3.10.0080.00023.64
8.3.00.0000.00823.69
8.2.180.0090.00618.43
8.2.170.0070.01422.96
8.2.160.0070.00720.25
8.2.150.0040.00425.66
8.2.140.0050.00324.66
8.2.130.0000.00819.89
8.2.120.0000.00826.35
8.2.110.0100.00320.49
8.2.100.0040.00718.18
8.2.90.0050.00319.34
8.2.80.0060.00317.97
8.2.70.0030.00617.75
8.2.60.0000.00817.93
8.2.50.0050.00318.07
8.2.40.0040.00422.31
8.2.30.0050.00219.63
8.2.20.0050.00218.00
8.2.10.0080.00018.20
8.2.00.0050.00318.17
8.1.280.0040.01125.92
8.1.270.0130.00623.95
8.1.260.0050.00326.35
8.1.250.0150.00328.09
8.1.240.0060.00323.91
8.1.230.0040.00719.13
8.1.220.0080.00017.79
8.1.210.0060.00318.77
8.1.200.0040.00417.47
8.1.190.0050.00317.35
8.1.180.0060.00318.10
8.1.170.0080.00018.72
8.1.160.0040.00420.86
8.1.150.0000.00718.98
8.1.140.0030.00519.77
8.1.130.0030.00317.77
8.1.120.0030.00417.72
8.1.110.0070.00017.60
8.1.100.0090.00017.55
8.1.90.0000.00817.65
8.1.80.0000.00717.67
8.1.70.0030.00317.65
8.1.60.0040.00417.67
8.1.50.0090.00317.63
8.1.40.0030.00517.66
8.1.30.0000.00817.82
8.1.20.0000.00717.77
8.1.10.0000.00817.60
8.1.00.0000.00817.67
8.0.300.0040.00418.77
8.0.290.0040.00417.00
8.0.280.0080.00018.59
8.0.270.0070.00017.32
8.0.260.0040.00417.34
8.0.250.0030.00317.27
8.0.240.0040.00417.27
8.0.230.0000.00717.09
8.0.220.0040.00417.14
8.0.210.0000.00717.13
8.0.200.0080.00017.13
8.0.190.0050.00317.26
8.0.180.0000.00817.11
8.0.170.0060.00317.19
8.0.160.0040.00417.27
8.0.150.0030.00317.09
8.0.140.0000.00717.14
8.0.130.0060.00013.54
8.0.120.0040.00417.05
8.0.110.0000.00817.21
8.0.100.0000.00817.10
8.0.90.0000.00717.20
8.0.80.0060.00917.22
8.0.70.0030.00516.98
8.0.60.0000.00816.98
8.0.50.0000.00717.03
8.0.30.0090.01117.27
8.0.20.0110.00817.41
8.0.10.0040.00417.24
8.0.00.0120.01016.91
7.4.330.0000.00516.72
7.4.320.0030.00316.74
7.4.300.0040.00416.63
7.4.290.0030.00316.57
7.4.280.0080.00316.75
7.4.270.0030.00316.77
7.4.260.0040.00416.65
7.4.250.0040.00416.62
7.4.240.0040.00316.70
7.4.230.0070.00016.55
7.4.220.0140.00316.75
7.4.210.0080.00616.76
7.4.200.0030.00316.51
7.4.160.0060.00916.64
7.4.150.0100.00717.40
7.4.140.0160.00517.86
7.4.130.0110.00816.77
7.4.120.0130.00516.67
7.4.110.0140.00716.58
7.4.100.0100.01316.79
7.4.90.0090.00916.59
7.4.80.0090.00919.39
7.4.70.0030.01616.68
7.4.60.0100.00716.45
7.4.50.0090.00316.85
7.4.40.0130.00316.80
7.4.30.0100.01316.76
7.4.00.0080.00414.96
7.3.330.0000.00613.50
7.3.320.0000.00713.26
7.3.310.0080.00016.48
7.3.300.0000.00716.29
7.3.290.0030.00316.46
7.3.280.0050.01316.42
7.3.270.0090.00917.40
7.3.260.0120.00416.45
7.3.240.0090.00916.61
7.3.230.0100.00716.68
7.3.210.0070.01016.64
7.3.200.0090.01219.39
7.3.190.0130.00816.66
7.3.180.0100.00616.56
7.3.170.0100.00616.63
7.3.160.0080.00816.64
7.3.120.0070.00714.76
7.3.110.0040.00414.86
7.3.100.0000.01514.74
7.3.90.0030.01015.07
7.3.80.0040.00414.65
7.3.70.0130.00314.86
7.3.60.0070.00714.97
7.3.50.0040.00714.79
7.3.40.0070.00314.91
7.3.30.0070.01014.84
7.3.20.0030.00616.55
7.3.10.0060.00316.72
7.3.00.0070.00716.57
7.2.330.0060.01316.48
7.2.320.0040.01316.62
7.2.310.0000.01716.92
7.2.300.0080.01217.02
7.2.290.0080.00816.48
7.2.240.0060.00915.34
7.2.230.0070.00315.38
7.2.220.0060.00314.84
7.2.210.0000.01115.07
7.2.200.0030.01015.09
7.2.190.0000.01314.84
7.2.180.0000.01514.99
7.2.170.0030.01014.86
7.2.160.0030.00614.75
7.2.150.0100.00316.89
7.2.140.0040.00416.88
7.2.130.0100.00716.64
7.2.120.0000.01916.66
7.2.110.0030.01416.84
7.2.100.0090.00916.79
7.2.90.0030.01016.94
7.2.80.0140.00317.01
7.2.70.0030.01317.07
7.2.60.0030.01016.96
7.2.50.0000.01917.07
7.2.40.0070.00716.89
7.2.30.0040.00817.02
7.2.20.0100.01016.84
7.2.10.0070.01116.95
7.2.00.0040.01516.94
7.1.330.0040.01116.01
7.1.320.0030.01015.66
7.1.310.0040.00815.69
7.1.300.0030.01015.53
7.1.290.0000.01515.68
7.1.280.0040.00815.99
7.1.270.0000.00915.73
7.1.260.0130.00616.04
7.1.250.0100.00615.89
7.1.200.0040.00415.90
7.1.70.0000.00817.14
7.1.60.0090.01519.30
7.1.50.0060.01517.15
7.1.00.0030.07722.31
7.0.200.1840.00714.92
7.0.60.0200.08021.81
7.0.50.0130.05717.88
7.0.40.0100.07720.21
7.0.30.0270.08020.26
7.0.20.0270.08020.08
7.0.10.0000.05320.16
7.0.00.0070.07320.14
5.6.280.0030.07321.03
5.6.210.0170.07720.71
5.6.200.0030.04718.24
5.6.190.0130.03320.77
5.6.180.0570.06320.57
5.6.170.0200.05720.56
5.6.160.0100.07320.60
5.6.150.0070.05718.28
5.6.140.0070.03718.15
5.6.130.0070.06718.23
5.6.120.0100.08321.13
5.6.110.0100.08021.06
5.6.100.0200.03721.13
5.6.90.0170.07721.11
5.6.80.0070.06720.40
5.5.350.0170.06720.34
5.5.340.0100.07718.07
5.5.330.0000.08720.27
5.5.320.0400.07020.30
5.5.310.0170.04320.23
5.5.300.0030.04017.98
5.5.290.0070.04017.98
5.5.280.0070.08320.78
5.5.270.0030.05720.88
5.5.260.0230.06720.79
5.5.250.0030.08720.46
5.5.240.0130.08020.35

preferences:
39.24 ms | 401 KiB | 5 Q