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('1/1/2013', '1/7/2013'));// 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)
8.3.60.0070.01418.48
8.3.50.0050.01421.25
8.3.40.0090.00619.09
8.3.30.0030.01618.76
8.3.20.0040.00420.47
8.3.10.0000.00822.03
8.3.00.0050.00320.46
8.2.180.0120.00918.54
8.2.170.0140.00022.96
8.2.160.0070.00720.52
8.2.150.0000.00824.18
8.2.140.0070.00024.66
8.2.130.0040.00426.16
8.2.120.0030.00717.75
8.2.110.0040.00721.12
8.2.100.0040.00817.75
8.2.90.0060.00319.39
8.2.80.0030.00618.00
8.2.70.0050.00517.50
8.2.60.0030.00518.05
8.2.50.0040.00418.07
8.2.40.0000.00719.53
8.2.30.0000.00722.53
8.2.20.0060.00317.87
8.2.10.0080.00018.23
8.2.00.0050.00218.07
8.1.280.0040.01125.92
8.1.270.0140.00024.04
8.1.260.0030.00626.35
8.1.250.0000.00828.09
8.1.240.0070.00322.75
8.1.230.0060.00617.77
8.1.220.0080.00017.80
8.1.210.0030.00618.77
8.1.200.0060.00317.48
8.1.190.0080.00017.48
8.1.180.0090.00018.10
8.1.170.0040.00418.61
8.1.160.0000.00822.09
8.1.150.0000.00818.98
8.1.140.0050.00317.70
8.1.130.0030.00317.70
8.1.120.0030.00317.65
8.1.110.0000.00717.65
8.1.100.0030.00517.63
8.1.90.0000.00717.58
8.1.80.0040.00417.57
8.1.70.0040.00417.53
8.1.60.0080.00017.56
8.1.50.0000.00817.67
8.1.40.0000.00817.65
8.1.30.0030.00617.75
8.1.20.0080.00017.80
8.1.10.0000.00717.67
8.1.00.0050.00517.58
8.0.300.0040.00418.77
8.0.290.0040.00417.00
8.0.280.0030.00318.64
8.0.270.0030.00317.29
8.0.260.0060.00017.31
8.0.250.0040.00417.23
8.0.240.0030.00317.10
8.0.230.0000.00717.10
8.0.220.0030.00517.16
8.0.210.0070.00017.03
8.0.200.0060.00317.13
8.0.190.0100.00017.11
8.0.180.0000.00817.14
8.0.170.0050.00217.18
8.0.160.0000.00717.07
8.0.150.0070.00017.09
8.0.140.0000.00717.14
8.0.130.0060.00013.49
8.0.120.0000.00717.08
8.0.110.0040.00417.13
8.0.100.0060.00317.19
8.0.90.0030.00517.09
8.0.80.0140.00317.11
8.0.70.0070.00017.09
8.0.60.0000.00717.21
8.0.50.0040.00417.08
8.0.30.0060.01017.22
8.0.20.0100.00917.46
8.0.10.0040.00417.13
8.0.00.0090.01116.95
7.4.330.0060.00015.13
7.4.320.0060.00016.65
7.4.300.0030.00316.60
7.4.290.0050.00316.72
7.4.280.0040.00416.52
7.4.270.0030.00316.69
7.4.260.0050.00216.76
7.4.250.0000.00816.70
7.4.240.0080.00016.78
7.4.230.0080.00016.66
7.4.220.0030.01616.56
7.4.210.0100.01016.63
7.4.200.0030.00316.80
7.4.160.0090.00616.88
7.4.150.0030.01417.40
7.4.140.0080.01017.86
7.4.130.0030.01616.81
7.4.120.0120.00716.76
7.4.110.0130.00316.76
7.4.100.0100.00716.75
7.4.90.0070.01016.71
7.4.80.0100.01419.39
7.4.70.0140.00316.70
7.4.60.0100.00716.77
7.4.50.0050.00516.58
7.4.40.0040.01416.86
7.4.30.0070.01116.65
7.4.00.0030.01415.26
7.3.330.0030.00313.29
7.3.320.0050.00013.39
7.3.310.0060.00316.37
7.3.300.0030.00316.32
7.3.290.0110.00616.36
7.3.280.0110.00916.38
7.3.270.0140.00317.40
7.3.260.0130.00416.70
7.3.250.0080.01016.62
7.3.240.0090.00916.71
7.3.230.0120.00616.61
7.3.210.0060.01616.53
7.3.200.0130.00316.67
7.3.190.0120.00916.61
7.3.180.0100.01016.65
7.3.170.0040.01216.66
7.3.160.0080.00916.57
7.3.10.0720.00714.60
7.3.00.0490.01015.66
7.2.330.0120.00617.06
7.2.320.0160.00716.75
7.2.310.0100.00716.61
7.2.300.0080.00816.69
7.2.290.0140.00316.83
7.2.130.0350.01115.93
7.2.120.0470.01315.93
7.2.110.0420.00916.08
7.2.100.0320.01115.94
7.2.90.0390.00916.16
7.2.80.0390.01116.02
7.2.70.0340.00515.94
7.2.60.0290.01016.12
7.2.50.0400.00815.97
7.2.40.0410.01015.78
7.2.30.0420.01215.86
7.2.20.0290.01715.92
7.2.10.0340.00816.00
7.2.00.0180.00717.19
7.1.250.0340.00814.73
7.1.240.0300.00514.69
7.1.230.0640.00514.86
7.1.220.0290.00514.90
7.1.210.0300.01114.74
7.1.200.0340.00315.18
7.1.190.0270.00714.96
7.1.180.0260.00914.71
7.1.170.0400.01014.91
7.1.160.0300.00714.76
7.1.150.0340.00914.78
7.1.140.0330.01014.59
7.1.130.0220.01214.56
7.1.120.0260.00614.61
7.1.110.0280.01014.91
7.1.100.0460.01115.21
7.1.90.0380.00814.94
7.1.80.0380.00814.82
7.1.70.0190.01015.77
7.1.60.0250.01016.15
7.1.50.0310.00815.70
7.1.40.0370.01114.79
7.1.30.0300.01014.83
7.1.20.0290.00914.76
7.1.10.0470.00614.88
7.1.00.0310.03417.35
7.0.330.0500.00814.24
7.0.320.0390.00414.15
7.0.310.0320.00314.30
7.0.300.0470.00314.43
7.0.290.0310.00914.17
7.0.280.0250.01114.37
7.0.270.0400.00514.44
7.0.260.0270.01014.36
7.0.250.0420.00914.37
7.0.240.0400.00314.58
7.0.230.0360.00714.41
7.0.220.0420.00514.68
7.0.210.0510.00114.49
7.0.200.0230.00715.43
7.0.190.0380.00614.44
7.0.180.0320.00914.38
7.0.170.0430.01014.59
7.0.160.0380.00814.63
7.0.150.0370.01014.40
7.0.140.0450.00314.53
7.0.130.0300.00914.54
7.0.120.0350.00714.19
7.0.110.0490.00314.45
7.0.100.0410.00814.47
7.0.90.0260.00914.45
7.0.80.0330.00214.21
7.0.70.0290.00914.63
7.0.60.0280.03716.20
7.0.50.0280.03015.66
7.0.40.0290.01715.79
7.0.30.0430.02015.70
7.0.20.0430.03215.95
7.0.10.0300.02415.79
7.0.00.0160.01815.73
5.6.380.0100.01014.37
5.6.370.0030.01314.30
5.6.360.0070.00914.26
5.6.350.0140.00814.34
5.6.340.0080.00814.38
5.6.330.0060.01114.33
5.6.320.0080.01214.19
5.6.310.0090.00914.31
5.6.300.0100.00614.20
5.6.290.0110.01014.12
5.6.280.0060.02916.47
5.6.270.0120.00714.03
5.6.260.0150.00914.24
5.6.250.0090.01013.99
5.6.240.0090.01414.14
5.6.230.0080.00814.04
5.6.220.0050.01314.19
5.6.210.0100.03016.31
5.6.200.0080.02815.47
5.6.190.0070.03416.14
5.6.180.0210.01916.40
5.6.170.0120.03316.27
5.6.160.0150.03116.35
5.6.150.0100.03415.64
5.6.140.0080.03315.29
5.6.130.0090.03115.51
5.6.120.0060.03916.48
5.6.110.0180.02716.57
5.6.100.0110.02416.37
5.6.90.0100.02916.59
5.6.80.0130.03116.31
5.6.70.0170.00514.47
5.6.60.0120.00614.31
5.6.50.0120.00914.29
5.6.40.0070.00814.11
5.6.30.0190.00414.18
5.6.20.0150.01014.21
5.6.10.0140.00813.97
5.6.00.0090.00814.10
5.5.380.0110.00310.97
5.5.370.0140.00411.20
5.5.360.0140.00810.96
5.5.350.1410.01814.23
5.5.340.0080.02713.38
5.5.330.0080.01814.24
5.5.320.0170.02514.15
5.5.310.0140.01914.12
5.5.300.0090.02313.42
5.5.290.0080.03213.33
5.5.280.0090.03514.41
5.5.270.0080.03414.37
5.5.260.0110.03114.29
5.5.250.0130.03314.28
5.5.240.0070.02213.98
5.5.230.0060.00611.00
5.5.220.0080.01010.90
5.5.210.0080.00510.95
5.5.200.0070.00410.87
5.5.190.0030.00811.11
5.5.180.0130.00310.94
5.5.170.0060.00811.04
5.5.160.0070.00811.11
5.5.150.0080.00811.07
5.5.140.0080.01110.98
5.5.130.0130.00411.09
5.5.120.0150.00111.04
5.5.110.0020.01011.04
5.5.100.0120.00611.20
5.5.90.0050.01110.90
5.5.80.0070.00711.03
5.5.70.0100.00310.96
5.5.60.0190.00210.94
5.5.50.0130.00511.02
5.5.40.0070.00111.03
5.5.30.0030.00611.02
5.5.20.0070.00411.00
5.5.10.0080.00511.04
5.5.00.0050.00510.98
5.4.450.0320.02013.87
5.4.440.0270.02413.83
5.4.430.0260.02013.92
5.4.420.0280.02513.88
5.4.410.0270.02113.95
5.4.400.0300.02113.72
5.4.390.0310.01913.85
5.4.380.0300.02213.84
5.4.370.0270.02013.67
5.4.360.0270.02413.85
5.4.350.0250.02113.77
5.4.340.0330.02113.69
5.4.330.0140.00511.12
5.4.320.0240.02413.84
5.4.310.0230.02313.87
5.4.300.0280.02013.83
5.4.290.0340.01813.75
5.4.280.0240.02413.85
5.4.270.0270.02413.72
5.4.260.0300.02013.73
5.4.250.0380.02013.77
5.4.240.0270.02413.82
5.4.230.0300.02113.80
5.4.220.0390.02213.78
5.4.210.0260.02213.85
5.4.200.0260.02113.88
5.4.190.0310.02013.75
5.4.180.0270.02013.63
5.4.170.0250.02313.82
5.4.160.0270.01913.80
5.4.150.0270.02113.64
5.4.140.0230.02312.96
5.4.130.0260.02012.97
5.4.120.0240.02112.91
5.4.110.0240.02012.81
5.4.100.0230.01912.94
5.4.90.0250.02112.83
5.4.80.0240.02112.98
5.4.70.0050.01312.90
5.4.60.0160.02712.93
5.4.50.0070.02312.88
5.4.40.0030.02712.91
5.4.30.0090.02312.93
5.4.20.0080.02512.91
5.4.10.0150.01312.88
5.4.00.0120.00611.04

preferences:
94.06 ms | 404 KiB | 6 Q