3v4l.org

run code in 300+ PHP versions simultaneously
<?php function datediffInWeeks($date1, $date2) { if($date1 > $date2) return datediffInWeeks($date2, $date1); $first = DateTime::createFromFormat('Y-m-d', $date1); $second = DateTime::createFromFormat('m/d/Y', $date2); return floor($first->diff($second)->days/7); } var_dump(datediffInWeeks('2018-01-01', '2018-02-09'));// 21 var_dump(datediffInWeeks('6/4/2020', '1/2/2021'));// 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)
8.3.60.0140.01018.43
8.3.50.0170.00016.59
8.3.40.0150.00019.14
8.3.30.0110.00418.96
8.3.20.0040.00420.16
8.3.10.0080.00023.71
8.3.00.0040.00419.80
8.2.180.0140.00718.65
8.2.170.0170.00322.96
8.2.160.0030.01020.52
8.2.150.0000.00824.18
8.2.140.0040.00424.66
8.2.130.0080.00019.32
8.2.120.0020.00526.35
8.2.110.0000.00920.28
8.2.100.0100.00317.91
8.2.90.0080.00018.11
8.2.80.0040.00420.53
8.2.70.0080.00017.93
8.2.60.0000.00817.93
8.2.50.0030.00518.16
8.2.40.0060.00320.43
8.2.30.0060.00319.20
8.2.20.0030.00618.02
8.2.10.0000.00818.13
8.2.00.0070.00018.24
8.1.280.0040.01425.92
8.1.270.0000.00722.19
8.1.260.0000.00826.35
8.1.250.0080.00028.09
8.1.240.0030.00623.95
8.1.230.0110.00020.85
8.1.220.0040.00417.77
8.1.210.0050.00318.80
8.1.200.0060.00317.48
8.1.190.0000.00917.60
8.1.180.0030.00518.10
8.1.170.0050.00318.70
8.1.160.0030.00518.84
8.1.150.0080.00020.27
8.1.140.0040.00417.66
8.1.130.0040.00419.04
8.1.120.0000.00717.60
8.1.110.0030.00617.63
8.1.100.0050.00317.43
8.1.90.0040.00417.55
8.1.80.0000.00717.61
8.1.70.0040.00417.61
8.1.60.0000.01017.66
8.1.50.0070.00017.51
8.1.40.0030.00517.61
8.1.30.0090.00017.70
8.1.20.0030.00617.59
8.1.10.0000.00717.62
8.1.00.0000.00817.62
8.0.300.0040.00420.05
8.0.290.0000.00716.88
8.0.280.0000.00818.47
8.0.270.0030.00317.39
8.0.260.0070.00016.96
8.0.250.0090.00017.24
8.0.240.0030.00517.20
8.0.230.0030.00717.14
8.0.220.0040.00417.04
8.0.210.0000.00817.08
8.0.200.0000.00717.22
8.0.190.0030.00617.18
8.0.180.0030.00317.24
8.0.170.0030.00617.15
8.0.160.0000.00817.06
8.0.150.0030.00517.05
8.0.140.0040.00417.14
8.0.130.0030.00313.55
8.0.120.0040.00417.13
8.0.110.0000.00717.18
8.0.100.0000.00717.07
8.0.90.0040.00417.20
8.0.80.0040.01617.12
8.0.70.0040.00417.07
8.0.60.0040.00417.13
8.0.50.0070.00017.10
8.0.30.0140.00617.21
8.0.20.0100.00917.40
8.0.10.0000.00717.22
8.0.00.0110.01116.63
7.4.330.0030.00315.55
7.4.320.0000.00616.69
7.4.300.0030.00316.68
7.4.290.0040.00416.68
7.4.280.0070.00016.58
7.4.270.0000.00716.58
7.4.260.0030.00316.66
7.4.250.0080.00016.45
7.4.240.0050.00216.65
7.4.230.0000.00716.69
7.4.220.0040.00416.56
7.4.210.0080.00716.71
7.4.200.0000.00716.67
7.4.160.0120.00716.76
7.4.150.0080.00917.40
7.4.140.0150.00817.86
7.4.130.0140.00716.69
7.4.120.0130.00616.69
7.4.110.0130.01016.65
7.4.100.0150.00016.66
7.4.90.0070.01116.60
7.4.80.0030.01619.39
7.4.70.0130.01016.84
7.4.60.0180.00316.57
7.4.50.0060.01216.63
7.4.40.0130.00316.65
7.4.00.0050.01215.17
7.3.330.0050.00013.32
7.3.320.0030.00313.51
7.3.310.0070.00016.50
7.3.300.0030.00316.51
7.3.290.0040.00416.44
7.3.280.0060.01216.50
7.3.270.0070.01017.40
7.3.260.0080.01016.61
7.3.250.0100.00716.60
7.3.240.0120.00616.61
7.3.230.0030.01416.57
7.3.210.0090.00816.37
7.3.200.0100.00716.66
7.3.190.0060.01016.75
7.3.180.0060.00916.44
7.3.170.0040.01216.68
7.3.160.0030.01316.58
7.3.120.0070.01015.06
7.3.110.0070.00815.07
7.3.100.0070.00915.13
7.3.90.0060.01014.90
7.3.80.0050.00815.08
7.3.70.0040.01014.82
7.3.60.0040.00914.84
7.3.50.0060.00614.95
7.3.40.0070.00514.84
7.3.30.0070.00615.04
7.3.20.0050.00816.78
7.3.10.0060.00616.71
7.3.00.0080.00416.64
7.2.330.0130.00316.97
7.2.320.0070.01116.55
7.2.310.0100.00716.72
7.2.300.0080.00916.93
7.2.290.0050.01716.86
7.2.250.0070.00915.08
7.2.240.0070.01215.18
7.2.230.0060.01115.28
7.2.220.0040.01215.24
7.2.210.0040.01315.10
7.2.200.0060.00914.98
7.2.190.0080.00814.84
7.2.180.0080.00515.13
7.2.170.0060.00914.97
7.2.160.0060.00315.04
7.2.150.0080.00816.97
7.2.140.0100.00016.80
7.2.130.0080.00417.01
7.2.120.0040.00817.04
7.2.110.0140.00416.86
7.2.100.0100.01016.89
7.2.90.0000.01517.25
7.2.80.0060.00917.10
7.2.70.0060.00617.09
7.2.60.0040.01117.00
7.2.50.0070.00716.63
7.2.40.0090.00617.17
7.2.30.0030.01017.18
7.2.20.0210.00617.60
7.2.10.0210.01017.42
7.2.00.0210.01117.36
7.1.330.0040.00915.90
7.1.320.0040.01015.55
7.1.310.0070.00415.94
7.1.300.0110.00315.94
7.1.290.0070.00515.94
7.1.280.0050.00515.89
7.1.270.0030.01115.72
7.1.260.0060.00515.85
7.1.250.0080.00515.89
7.1.240.0070.00715.84
7.1.230.0030.01215.92
7.1.220.0060.00615.50
7.1.210.0000.00915.84
7.1.200.0050.00915.95
7.1.190.0000.01115.91
7.1.180.0030.01015.84
7.1.170.0040.01115.59
7.1.160.0090.00615.86
7.1.150.0030.00915.58
7.1.140.0230.00716.47
7.1.130.0130.01116.46
7.1.120.0200.01116.43
7.1.110.0200.00816.15
7.1.100.0160.00716.06
7.1.90.0160.01116.13
7.1.80.0230.00615.98
7.1.70.0180.00915.59
7.1.60.0200.01124.74
7.1.50.0280.01124.56
7.1.40.0240.00624.40
7.1.30.0290.00824.28
7.1.20.0250.00624.46
7.1.10.0200.01015.37
7.1.00.0210.00915.51
7.0.330.0070.01015.65
7.0.320.0070.00315.59
7.0.310.0060.00615.55
7.0.300.0090.00015.56
7.0.290.0030.00815.27
7.0.280.0050.00515.29
7.0.270.0040.00715.26
7.0.260.0080.00815.64
7.0.250.0040.00715.68
7.0.240.0060.01015.75
7.0.230.0030.00715.24
7.0.220.0030.01215.42
7.0.210.0070.00715.55
7.0.200.0120.00015.54
7.0.190.0030.00715.55
7.0.180.0040.01115.57
7.0.170.0040.01115.76
7.0.160.0040.01215.64
7.0.150.0000.01815.41
7.0.140.0030.01015.72
7.0.130.0100.00315.73
7.0.120.0000.01215.52
7.0.110.0040.00415.74
7.0.100.0000.01315.73
7.0.90.0040.00815.38
7.0.80.0060.00915.65
7.0.70.0070.01015.31
7.0.60.0070.00315.49
7.0.50.0000.01215.89
7.0.40.0060.01013.55
7.0.30.0070.00713.39
7.0.20.0030.00613.36
7.0.10.0030.00913.60
7.0.00.0090.00013.80
5.6.400.0030.01014.31
5.6.390.0100.01014.08
5.6.380.0050.01114.62
5.6.370.0130.00014.43
5.6.360.0090.00614.28
5.6.350.0050.00514.30
5.6.340.0000.01014.31
5.6.330.0000.01614.23
5.6.320.0060.00614.57
5.6.310.0000.01214.50
5.6.300.0060.00614.29
5.6.290.0080.00314.63
5.6.280.0070.01014.33
5.6.270.0030.00914.41
5.6.260.0070.00714.44
5.6.250.0030.01214.58
5.6.240.0090.00914.39
5.6.230.0030.01414.68
5.6.220.0100.00714.43
5.6.210.0000.01114.33
5.6.200.0040.01214.57
5.6.190.0060.00614.73
5.6.180.0030.01314.38
5.6.170.0040.01114.35
5.6.160.0150.00014.27
5.6.150.0030.00614.46
5.6.140.0060.00814.64
5.6.130.0000.01414.72
5.6.120.0060.00914.36
5.6.110.0100.00314.26
5.6.100.0030.01214.22
5.6.90.0030.00614.43
5.6.80.0000.00914.70
5.6.70.0060.00614.30
5.6.60.0030.00714.39
5.6.50.0000.01014.52
5.6.40.0040.01114.22
5.6.30.0110.00414.44
5.6.20.0070.01014.31
5.6.10.0000.01714.48
5.6.00.0060.00614.05

preferences:
50.23 ms | 400 KiB | 5 Q