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 H:i', $date1); $second = DateTime::createFromFormat('m/d/Y H:i', $date2); return floor($first->diff($second)->days/7); } var_dump(datediffInWeeks('1/2/2013 00:00', '6/4/2013 12:00'));// 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)
8.3.60.0110.00716.88
8.3.50.0070.01418.20
8.3.40.0140.00019.09
8.3.30.0040.01119.05
8.3.20.0060.00922.21
8.3.10.0000.00823.67
8.3.00.0050.00319.51
8.2.180.0060.00918.29
8.2.170.0120.00322.96
8.2.160.0130.00320.52
8.2.150.0040.00424.18
8.2.140.0070.00024.66
8.2.130.0050.00326.16
8.2.120.0050.00317.88
8.2.110.0090.00622.25
8.2.100.0090.00317.93
8.2.90.0000.00819.35
8.2.80.0080.00018.00
8.2.70.0030.00618.00
8.2.60.0040.00418.05
8.2.50.0040.00418.07
8.2.40.0050.00521.16
8.2.30.0040.00420.64
8.2.20.0040.00418.02
8.2.10.0030.00618.05
8.2.00.0040.00418.24
8.1.280.0100.01025.92
8.1.270.0030.00623.96
8.1.260.0030.00626.35
8.1.250.0040.00428.09
8.1.240.0040.00419.22
8.1.230.0060.00617.78
8.1.220.0050.00317.78
8.1.210.0030.00618.77
8.1.200.0070.00717.50
8.1.190.0050.00317.25
8.1.180.0040.00418.10
8.1.170.0040.00419.00
8.1.160.0070.00022.07
8.1.150.0000.00720.79
8.1.140.0000.00819.63
8.1.130.0030.00317.83
8.1.120.0040.00417.67
8.1.110.0040.00417.73
8.1.100.0040.00417.54
8.1.90.0040.00417.68
8.1.80.0000.00717.55
8.1.70.0030.00517.66
8.1.60.0040.00417.61
8.1.50.0030.00517.65
8.1.40.0060.00317.57
8.1.30.0000.00817.86
8.1.20.0040.00417.85
8.1.10.0040.00417.64
8.1.00.0040.00417.73
8.0.300.0080.00018.96
8.0.290.0090.00017.13
8.0.280.0040.00418.46
8.0.270.0000.00717.39
8.0.260.0030.00317.39
8.0.250.0030.00517.30
8.0.240.0080.00017.12
8.0.230.0000.00717.24
8.0.220.0000.00617.23
8.0.210.0000.00717.22
8.0.200.0030.00317.25
8.0.190.0080.00017.27
8.0.180.0040.00417.26
8.0.170.0000.00817.21
8.0.160.0000.00817.25
8.0.150.0070.00017.13
8.0.140.0000.00817.24
8.0.130.0040.00413.50
8.0.120.0080.00017.12
8.0.110.0040.00417.13
8.0.100.0040.00417.16
8.0.90.0030.00417.02
8.0.80.0070.01017.20
8.0.70.0000.00717.24
8.0.60.0070.00017.21
8.0.50.0070.00017.09
8.0.30.0110.00817.28
8.0.20.0120.01017.44
8.0.10.0000.00717.38
8.0.00.0100.00916.88
7.4.330.0000.00615.08
7.4.320.0000.00716.68
7.4.300.0030.00316.74
7.4.290.0080.00016.74
7.4.280.0040.00416.73
7.4.270.0030.00316.65
7.4.260.0000.00716.70
7.4.250.0040.00416.51
7.4.240.0050.00216.69
7.4.230.0000.00716.65
7.4.220.0150.00616.73
7.4.210.0040.01416.70
7.4.200.0030.00316.55
7.4.160.0120.00416.71
7.4.150.0120.00617.40
7.4.140.0130.00817.86
7.4.130.0110.01116.61
7.4.120.0060.01016.82
7.4.110.0070.01016.89
7.4.100.0070.01016.72
7.4.90.0060.01316.69
7.4.80.0070.01019.39
7.4.70.0100.00716.69
7.4.60.0040.01116.91
7.4.50.0080.00016.97
7.4.40.0160.00016.49
7.4.30.0090.00916.98
7.4.00.0070.00714.98
7.3.330.0000.00613.52
7.3.320.0060.00013.43
7.3.310.0030.00316.54
7.3.300.0070.00016.54
7.3.290.0050.01216.54
7.3.280.0080.01016.57
7.3.270.0030.01517.40
7.3.260.0110.00516.68
7.3.240.0110.00916.64
7.3.230.0100.01016.73
7.3.210.0130.00316.77
7.3.200.0060.01016.77
7.3.190.0130.00416.70
7.3.180.0120.00916.50
7.3.170.0110.00416.48
7.3.160.0030.01316.71
7.3.10.0000.01016.83
7.3.00.0070.00316.79
7.2.330.0110.00616.94
7.2.320.0080.01116.79
7.2.310.0130.00317.01
7.2.300.0060.01217.07
7.2.290.0130.00317.02
7.2.130.0070.00717.09
7.2.120.0070.00716.70
7.2.110.0090.00916.65
7.2.100.0060.00316.93
7.2.90.0070.00717.03
7.2.80.0000.00916.80
7.2.70.0040.00716.68
7.2.60.0130.00316.88
7.2.50.0060.00916.75
7.2.40.0110.00016.88
7.2.30.0090.00316.89
7.2.20.0030.00717.01
7.2.10.0100.00316.76
7.2.00.0070.00517.90
7.1.250.0030.00816.07
7.1.200.0060.00815.96
7.1.100.0040.01418.13
7.1.70.0000.01017.39
7.1.60.0060.01919.43
7.1.50.0070.01717.19
7.1.00.0030.07722.43
7.0.200.0080.00016.69
7.0.60.0100.08019.81
7.0.50.0070.04718.00
7.0.40.0070.04320.24
7.0.30.0270.04320.30
7.0.20.0270.06020.16
7.0.10.0200.04020.25
7.0.00.0070.08320.22
5.6.280.0070.06721.00
5.6.210.0070.05020.65
5.6.200.0070.05718.19
5.6.190.0030.06020.39
5.6.180.0000.04320.50
5.6.170.0330.04720.48
5.6.160.0070.08320.41
5.6.150.0030.07318.22
5.6.140.0100.07718.25
5.6.130.0100.06718.12
5.6.120.0070.05721.05
5.6.110.0100.08320.99
5.6.100.0270.06321.12
5.6.90.0170.07720.98
5.6.80.0100.03320.29
5.6.70.0370.06720.40
5.5.350.0000.09020.45
5.5.340.0100.05717.92
5.5.330.0130.07720.47
5.5.320.0230.08020.24
5.5.310.0330.04720.32
5.5.300.0030.04018.07
5.5.290.0070.03718.04
5.5.280.0130.08020.98
5.5.270.0100.05320.77
5.5.260.0130.07720.97
5.5.250.0100.03320.79
5.5.240.0070.05720.19
5.4.450.0670.08319.59
5.4.440.0730.08019.41
5.4.430.0870.06319.58
5.4.420.0800.05019.06
5.4.410.0630.06019.48
5.4.400.0700.06019.27
5.4.390.0670.05319.09
5.4.380.0700.06019.16
5.4.370.0700.05319.29
5.4.360.0700.06019.09
5.4.350.0730.05319.24
5.4.340.0800.04719.08
5.4.320.1030.06319.28
5.4.310.0700.05318.92
5.4.300.0630.04719.08
5.4.290.0630.04719.18
5.4.280.0530.06319.05
5.4.270.0700.04319.08
5.4.260.0730.05319.25
5.4.250.0630.05319.23
5.4.240.0570.05319.16
5.4.230.0530.05719.25
5.4.220.0670.05019.08
5.4.210.0730.04719.05
5.4.200.0770.07018.94
5.4.190.0900.04718.90
5.4.180.0770.05319.09
5.4.170.0770.05019.07
5.4.160.0800.05019.08
5.4.150.0730.05319.25
5.4.140.0770.05016.57
5.4.130.0700.05016.36
5.4.120.0700.05016.50
5.4.110.0700.05016.70
5.4.100.0770.05016.26
5.4.90.0770.06016.56
5.4.80.0870.07316.56
5.4.70.0900.06716.31
5.4.60.0900.06316.45
5.4.50.0570.05316.58
5.4.40.0700.05316.59
5.4.30.0800.05716.61
5.4.20.0770.04316.42
5.4.10.0730.04316.24
5.4.00.0530.05315.88

preferences:
55.53 ms | 400 KiB | 5 Q