3v4l.org

run code in 300+ PHP versions simultaneously
<?php function week_between_two_dates($date1, $date2) { $first = DateTime::createFromFormat('m/d/Y', $date1); $second = DateTime::createFromFormat('m/d/Y', $date2); if($date1 > $date2) return week_between_two_dates($date2, $date1); return floor($first->diff($second)->days/7); } $dt1 = '1/1/2014'; $dt2 = '12/31/2014'; echo 'Weeks between '.$dt1.' and '. $dt2. ' is '. week_between_two_dates($dt1, $dt2)."\n"; ?>

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)
8.3.60.0100.01016.63
8.3.50.0070.00717.95
8.3.40.0110.00320.28
8.3.30.0100.00618.67
8.3.20.0040.00421.85
8.3.10.0080.00022.09
8.3.00.0000.00822.58
8.2.180.0070.00725.92
8.2.170.0140.00019.11
8.2.160.0070.01022.96
8.2.150.0040.00425.66
8.2.140.0040.00424.66
8.2.130.0070.00026.16
8.2.120.0040.00426.16
8.2.110.0000.00922.29
8.2.100.0090.00318.03
8.2.90.0030.00517.75
8.2.80.0030.00518.90
8.2.70.0080.00017.63
8.2.60.0050.00317.75
8.2.50.0080.00018.05
8.2.40.0000.00821.00
8.2.30.0070.00418.10
8.2.20.0040.00418.06
8.2.10.0000.00719.41
8.2.00.0040.00419.37
8.1.280.0090.00625.92
8.1.270.0080.00022.01
8.1.260.0070.00026.35
8.1.250.0070.00028.09
8.1.240.0040.00723.87
8.1.230.0110.00021.04
8.1.220.0080.00018.77
8.1.210.0050.00318.77
8.1.200.0000.00817.36
8.1.190.0050.00317.35
8.1.180.0040.00418.10
8.1.170.0080.00017.62
8.1.160.0000.00718.88
8.1.150.0050.00218.90
8.1.140.0000.00718.98
8.1.130.0000.00720.04
8.1.120.0100.00017.55
8.1.110.0080.00017.61
8.1.100.0000.00717.60
8.1.90.0040.00417.61
8.1.80.0040.00417.54
8.1.70.0000.00717.45
8.1.60.0040.00417.67
8.1.50.0000.00817.59
8.1.40.0040.00417.45
8.1.30.0040.00417.75
8.1.20.0040.00417.77
8.1.10.0080.00017.63
8.1.00.0060.00317.54
8.0.300.0000.00718.77
8.0.290.0000.00916.88
8.0.280.0000.00718.51
8.0.270.0030.00318.25
8.0.260.0040.00419.95
8.0.250.0030.00317.08
8.0.240.0030.00317.15
8.0.230.0000.00717.15
8.0.220.0000.00717.09
8.0.210.0040.00416.97
8.0.200.0000.00717.01
8.0.190.0040.00417.15
8.0.180.0030.00616.96
8.0.170.0040.00417.11
8.0.160.0070.00017.04
8.0.150.0000.00817.03
8.0.140.0030.00317.00
8.0.130.0000.00513.41
8.0.120.0000.00717.09
8.0.110.0000.00716.98
8.0.100.0030.00416.91
8.0.90.0030.00616.94
8.0.80.0030.01617.14
8.0.70.0000.00716.95
8.0.60.0080.00016.96
8.0.50.0040.00416.96
8.0.30.0100.00717.02
8.0.20.0140.00917.29
8.0.10.0040.01217.08
8.0.00.0110.00517.06
7.4.330.0040.00015.55
7.4.320.0030.00316.68
7.4.300.0030.00316.63
7.4.290.0070.00016.67
7.4.280.0070.00016.68
7.4.270.0030.00316.68
7.4.260.0000.00613.33
7.4.250.0080.00016.46
7.4.240.0030.00516.65
7.4.230.0000.00716.73
7.4.220.0020.00516.46
7.4.210.0050.01016.58
7.4.200.0070.00016.57
7.4.160.0100.00616.82
7.4.150.0090.00616.55
7.4.140.0100.00316.55
7.4.130.0100.01016.55
7.4.120.0090.00816.55
7.4.110.0080.00716.61
7.4.100.0120.00716.67
7.4.90.0050.01216.62
7.4.80.0100.00817.90
7.4.70.0060.01216.50
7.4.60.0120.00716.57
7.4.50.0080.00616.39
7.4.40.0110.00716.40
7.4.30.0030.01516.56
7.4.20.0050.01316.68
7.4.10.0130.00716.69
7.4.00.0080.00816.63
7.3.330.0040.00416.23
7.3.320.0060.00013.32
7.3.310.0000.00716.27
7.3.300.0030.00316.33
7.3.290.0110.00616.35
7.3.270.0090.00616.27
7.3.260.0110.00716.51
7.3.250.0070.00716.41
7.3.240.0050.01016.44
7.3.230.0060.01016.48
7.3.220.0090.00916.43
7.3.210.0130.00616.33
7.3.200.0020.01416.41
7.3.190.0030.01316.55
7.3.180.0080.00716.53
7.3.170.0090.00616.49
7.3.160.0090.00916.49
7.3.150.0090.00916.56
7.3.140.0060.01016.42
7.3.130.0070.01016.40
7.3.120.0090.00916.30
7.3.110.0030.01316.36
7.3.100.0110.00516.40
7.3.90.0100.01116.50
7.3.80.0070.00916.40
7.3.70.0110.00616.46
7.3.60.0070.01316.62
7.3.50.0070.01316.42
7.3.40.0120.00716.59
7.3.30.0100.00816.52
7.3.20.0100.00616.59
7.3.10.0060.01216.53
7.3.00.0100.00916.53
7.2.340.0200.01016.54
7.2.330.0100.01516.61
7.2.320.0170.00516.63
7.2.310.0130.00816.72
7.2.300.0180.00916.62
7.2.290.0080.01416.75
7.2.280.0110.01116.82
7.2.270.0100.01216.64
7.2.260.0180.00416.58
7.2.250.0170.00716.83
7.2.240.0120.01216.65
7.2.230.0170.00816.82
7.2.220.0170.00716.67
7.2.210.0130.00916.69
7.2.200.0160.01316.86
7.2.190.0120.01116.71
7.2.180.0130.00816.79
7.2.170.0190.01116.79
7.2.160.0150.00916.67
7.2.150.0100.01416.79
7.2.140.0160.01016.79
7.2.130.0190.00716.92
7.2.120.0190.00916.85
7.2.110.0210.00416.81
7.2.100.0190.00516.89
7.2.90.0220.01316.82
7.2.80.0180.01116.82
7.2.70.0210.00516.83
7.2.60.0170.00916.83
7.2.50.0150.00916.72
7.2.40.0140.01316.90
7.2.30.0130.01316.87
7.2.20.0160.01316.88
7.2.10.0220.00416.81
7.2.00.0240.00316.87

preferences:
61.6 ms | 400 KiB | 5 Q