3v4l.org

run code in 300+ PHP versions simultaneously
<?php function ISOdates_from_weeknr ($weeknr, $year, $format = '%d-%m-%Y') { $start = strtotime ('1 january ' . $year); $week1 = strftime ('%V', $start); while ($week1 != '01') { $start += (7 * 24 * 3600); $week1 = strftime ('%V', $start); } $timestamp_week = strtotime ('+' . ($weeknr - 1) . ' week', $start); $weekdag = strftime ('%u', $timestamp_week); $dagen_tot_begin_week = $weekdag - 1; $dagen_tot_eind_week = 7 - $weekdag; $checkdatum = strtotime ("-" . $dagen_tot_begin_week . " days + 3 days", $timestamp_week); $check = strftime ('%V', $checkdatum); if ($check == '01' && $weeknr > 52) { echo 'ongeldig weeknummer voor dit jaar' . "\n"; return false; } $begindatum = strtotime ("-" . $dagen_tot_begin_week . " days", $timestamp_week); $einddatum = strtotime ("+" . $dagen_tot_eind_week . " days", $timestamp_week); return array (strftime ($format, $begindatum), strftime ($format, $einddatum)); } //echo "Output for 5.4.11 - 7.0.2, 7.1@2015-11, hhvm-3.6.1 - 3.11.0".PHP_EOL; //echo ISOdates_from_weeknr(1, 2016)[0].PHP_EOL; //echo ISOdates_from_weeknr(1, 2016)[1]; echo "Andere PHP die oud is".PHP_EOL; $date = ISOdates_from_weeknr(1, 2016); echo $date[0].PHP_EOL; echo $date[1].PHP_EOL; ?>

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)
8.3.60.0080.00816.75
8.3.50.0040.01421.34
8.3.40.0090.00618.96
8.3.30.0080.00818.97
8.3.20.0050.00320.39
8.3.10.0000.00821.83
8.3.00.0110.00321.76
8.2.180.0140.00416.88
8.2.170.0110.00322.96
8.2.160.0070.00720.49
8.2.150.0050.00324.18
8.2.140.0040.00424.66
8.2.130.0040.00426.16
8.2.120.0080.00021.13
8.2.110.0030.00720.90
8.2.100.0070.00418.18
8.2.90.0000.00819.43
8.2.80.0080.00017.97
8.2.70.0030.00618.13
8.2.60.0000.00818.05
8.2.50.0000.00918.09
8.2.40.0040.00422.31
8.2.30.0000.00719.66
8.2.20.0040.00418.00
8.2.10.0000.00718.27
8.2.00.0040.00418.23
8.1.280.0100.01025.92
8.1.270.0030.00622.25
8.1.260.0050.00326.35
8.1.250.0030.00628.09
8.1.240.0030.00622.57
8.1.230.0070.00319.29
8.1.220.0030.00617.79
8.1.210.0000.00818.77
8.1.200.0060.00317.36
8.1.190.0050.00317.25
8.1.180.0040.00418.10
8.1.170.0090.00318.69
8.1.160.0040.00420.97
8.1.150.0000.01019.03
8.1.140.0050.00319.74
8.1.130.0070.00017.76
8.1.120.0040.00417.56
8.1.110.0050.00217.63
8.1.100.0040.00417.67
8.1.90.0050.00317.68
8.1.80.0100.00017.64
8.1.70.0070.00017.62
8.1.60.0030.00617.84
8.1.50.0050.00317.77
8.1.40.0030.00517.67
8.1.30.0000.00817.93
8.1.20.0080.00017.70
8.1.10.0030.00517.80
8.1.00.0080.00017.71
8.0.300.0080.00018.77
8.0.290.0040.00417.00
8.0.280.0030.00318.64
8.0.270.0000.00717.41
8.0.260.0000.00617.40
8.0.250.0000.00717.18
8.0.240.0040.00417.31
8.0.230.0020.00517.28
8.0.220.0050.00217.24
8.0.210.0080.00017.24
8.0.200.0030.00317.34
8.0.190.0050.00317.18
8.0.180.0040.00417.27
8.0.170.0030.00517.30
8.0.160.0000.00717.34
8.0.150.0040.00417.28
8.0.140.0030.00517.09
8.0.130.0000.00613.66
8.0.120.0050.00317.08
8.0.110.0060.00317.14
8.0.100.0000.00817.06
8.0.90.0050.00317.20
8.0.80.0060.01017.19
8.0.70.0030.00517.20
8.0.60.0040.00417.20
8.0.50.0060.00317.18
8.0.30.0050.01517.34
8.0.20.0040.01617.40
8.0.10.0040.00417.21
8.0.00.0120.00617.04
7.4.330.0000.00516.82
7.4.320.0000.00716.73
7.4.300.0030.00616.68
7.4.290.0090.00016.84
7.4.280.0070.00316.80
7.4.270.0000.00716.63
7.4.260.0070.00016.73
7.4.250.0000.00816.68
7.4.240.0000.00716.79
7.4.230.0000.00816.75
7.4.220.0180.00016.74
7.4.210.0090.01016.74
7.4.200.0000.00716.47
7.4.160.0140.00316.68
7.4.150.0070.01117.40
7.4.140.0150.01017.86
7.4.130.0100.00716.81
7.4.120.0080.00916.86
7.4.110.0120.00616.61
7.4.100.0090.00917.00
7.4.90.0130.00316.80
7.4.80.0070.01019.39
7.4.70.0110.00616.81
7.4.60.0060.01116.56
7.4.50.0110.00216.63
7.4.40.0030.01316.78
7.4.30.0110.00716.85
7.4.10.0070.01115.23
7.4.00.0080.01115.17
7.3.330.0030.00313.43
7.3.320.0050.00013.36
7.3.310.0030.00316.60
7.3.300.0000.00716.46
7.3.290.0000.00716.52
7.3.280.0140.00716.50
7.3.270.0070.01117.40
7.3.260.0110.00716.78
7.3.250.0070.01316.71
7.3.240.0100.00716.70
7.3.230.0060.01316.81
7.3.210.0090.00616.64
7.3.200.0200.00319.39
7.3.190.0110.01116.84
7.3.180.0070.01116.64
7.3.170.0060.01316.52
7.3.160.0110.00716.73
7.3.130.0120.00614.96
7.3.120.0100.00815.07
7.3.110.0070.01115.08
7.3.100.0070.00715.15
7.3.90.0030.01315.04
7.3.80.0060.00815.13
7.3.70.0070.00615.07
7.3.60.0030.00914.96
7.3.50.0040.00814.88
7.3.40.0050.00915.04
7.3.30.0080.00414.98
7.3.20.0050.01116.88
7.3.10.0060.00816.89
7.3.00.0060.00716.72
7.2.330.0100.01116.85
7.2.320.0120.01316.72
7.2.310.0140.00316.77
7.2.300.0100.00717.03
7.2.290.0060.01116.93
7.2.260.0130.00315.19
7.2.250.0070.01215.28
7.2.240.0050.01315.32
7.2.230.0070.00715.39
7.2.220.0070.00815.25
7.2.210.0060.00815.30
7.2.200.0100.00215.31
7.2.190.0060.00915.23
7.2.180.0050.00915.21
7.2.170.0070.00815.15
7.2.160.0100.00315.17
7.2.150.0160.00016.99
7.2.140.0060.00617.06
7.2.130.0080.00416.84
7.2.120.0060.00617.20
7.2.110.0080.00417.11
7.2.100.0040.00917.25
7.2.90.0040.01117.41
7.2.80.0110.00417.27
7.2.70.0090.00617.36
7.2.60.0080.00817.25
7.2.50.0040.01116.99
7.2.40.0090.00917.34
7.2.30.0070.01117.19
7.2.20.0060.01217.12
7.2.10.0110.00717.31
7.2.00.0030.00918.18
7.1.330.0030.01116.12
7.1.320.0050.00715.84
7.1.310.0050.01016.00
7.1.300.0060.00515.98
7.1.290.0080.00615.95
7.1.280.0080.00415.99
7.1.270.0090.00615.91
7.1.260.0050.00716.08
7.1.250.0060.00616.01
7.1.240.0100.00315.91
7.1.230.0030.00716.18
7.1.220.0090.00615.88
7.1.210.0000.01316.18
7.1.200.0070.01116.11
7.1.190.0070.00716.08
7.1.180.0040.01416.12
7.1.170.0100.00715.86
7.1.160.0070.00416.16
7.1.150.0040.01116.11
7.1.140.0090.00616.19
7.1.130.0070.01116.14
7.1.120.0110.00416.04
7.1.110.0140.00015.88
7.1.100.0050.01217.04
7.1.90.0040.00716.08
7.1.80.0040.00816.10
7.1.70.0030.00816.77
7.1.60.0080.01017.68
7.1.50.0050.01316.68
7.1.40.0060.00616.20
7.1.30.0100.00315.90
7.1.20.0030.01016.23
7.1.10.0100.00615.95
7.1.00.0030.04219.25
7.0.330.0060.00915.52
7.0.320.0090.00915.38
7.0.310.0030.01015.73
7.0.300.0030.00915.61
7.0.290.0060.00315.75
7.0.280.0060.00915.78
7.0.270.0100.00715.56
7.0.260.0100.00315.61
7.0.250.0070.00715.63
7.0.240.0000.01515.51
7.0.230.0070.00415.62
7.0.220.0120.00015.56
7.0.210.0070.00315.66
7.0.200.0260.00615.29
7.0.190.0060.00915.73
7.0.180.0060.00915.37
7.0.170.0080.00615.48
7.0.160.0080.00315.60
7.0.150.0040.00415.40
7.0.140.0040.01115.61
7.0.130.0030.00615.50
7.0.120.0030.01015.41
7.0.110.0070.00715.60
7.0.100.0000.01515.73
7.0.90.0000.00815.40
7.0.80.0040.00415.59
7.0.70.0000.00915.44
7.0.60.0070.02418.71
7.0.50.0070.02516.83
7.0.40.0080.04616.86
7.0.30.0310.03616.91
7.0.20.0200.04216.89
7.0.10.0110.04316.70
7.0.00.0070.02516.74
5.6.400.0000.01614.39
5.6.390.0000.01014.53
5.6.380.0070.01014.80
5.6.370.0000.01014.77
5.6.360.0060.00614.52
5.6.350.0040.01114.69
5.6.340.0070.01114.53
5.6.330.0090.00314.39
5.6.320.0070.01014.57
5.6.310.0030.00614.50
5.6.300.0100.00314.72
5.6.290.0070.00414.77
5.6.280.0030.03817.63
5.6.270.0070.00714.33
5.6.260.0080.00514.72
5.6.250.0030.01014.50
5.6.240.0030.01014.87
5.6.230.0040.01114.57
5.6.220.0060.00614.48
5.6.210.0050.04417.81
5.6.200.0030.03216.46
5.6.190.0050.05117.72
5.6.180.0100.02617.71
5.6.170.0130.03317.47
5.6.160.0080.04317.56
5.6.150.0080.04516.40
5.6.140.0070.02316.29
5.6.130.0000.02816.34
5.6.120.0070.04517.88
5.6.110.0120.04517.79
5.6.100.0130.03817.77
5.6.90.0060.04317.74
5.6.80.0120.03417.29
5.6.70.0040.00414.24
5.6.60.0070.01014.42
5.6.50.0070.00714.48
5.6.40.0030.01014.63
5.6.30.0070.00714.38
5.6.20.0040.00714.50
5.6.10.0060.00614.52
5.6.00.0030.01314.65
5.5.380.0000.01114.29
5.5.370.0060.01014.59
5.5.360.0030.00714.52
5.5.350.0210.03917.61
5.5.340.0120.01716.29
5.5.330.0040.02517.34
5.5.320.0170.02317.24
5.5.310.0170.02417.43
5.5.300.0080.04116.13
5.5.290.0060.03516.39
5.5.280.0100.02517.64
5.5.270.0080.04017.54
5.5.260.0050.04017.62
5.5.250.0030.04117.55
5.5.240.0120.04217.34
5.5.230.0100.00314.60
5.5.220.0080.00814.07
5.5.210.0090.00314.22
5.5.200.0030.00614.47
5.5.190.0060.00614.47
5.5.180.0070.00714.56
5.5.170.0090.00614.60
5.5.160.0080.00614.57
5.5.150.0080.00314.50
5.5.140.0050.00514.25
5.5.130.0100.00314.24
5.5.120.0030.01014.48
5.5.110.0060.00614.32
5.5.100.0030.00614.66
5.5.90.0070.00414.54
5.5.80.0080.00914.39
5.5.70.0030.01014.52
5.5.60.0000.00914.28
5.5.50.0040.01114.58
5.5.40.0110.00314.34
5.5.30.0060.00613.97
5.5.20.0080.00614.37
5.5.10.0060.00714.11
5.5.00.0040.00714.12

preferences:
23.36 ms | 401 KiB | 5 Q