3v4l.org

run code in 300+ PHP versions simultaneously
<?php date_default_timezone_set('UTC'); echo date_default_timezone_get(), PHP_EOL; $utc = new DateTimeZone('UTC'); $time = DateTime::createFromFormat('Y-m-d H:i:s', '2014-05-19 11:30:00'); foreach (['Europe/London', 'BST', 'Etc/GMT+1', 'GMT+1', 'CEST'] as $abbr) { try { $time->setTimezone(new DateTimeZone($abbr)); echo "{$abbr}: {$time->format(DATE_RFC822)}", PHP_EOL; } catch (Exception $e) {} }

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)
8.3.60.0070.01418.30
8.3.50.0130.00521.21
8.3.40.0090.00919.00
8.3.30.0170.00020.23
8.3.20.0050.00318.89
8.3.10.0000.00821.11
8.3.00.0040.00423.46
8.2.180.0090.00616.50
8.2.170.0120.00322.96
8.2.160.0030.01020.34
8.2.150.0000.00824.18
8.2.140.0050.00324.66
8.2.130.0040.00426.16
8.2.120.0000.00719.89
8.2.110.0100.00020.39
8.2.100.0000.01217.97
8.2.90.0050.00319.20
8.2.80.0000.00819.38
8.2.70.0000.00917.75
8.2.60.0000.00717.93
8.2.50.0080.00318.07
8.2.40.0040.00418.03
8.2.30.0000.00719.43
8.2.20.0000.00717.92
8.2.10.0000.00718.01
8.2.00.0040.00417.95
8.1.280.0080.01325.92
8.1.270.0050.00323.99
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0090.00023.80
8.1.230.0090.00322.66
8.1.220.0040.00418.77
8.1.210.0060.00318.96
8.1.200.0030.00617.47
8.1.190.0000.00717.52
8.1.180.0040.00418.10
8.1.170.0030.00518.66
8.1.160.0000.00918.93
8.1.150.0000.00718.73
8.1.140.0070.00017.54
8.1.130.0030.00717.79
8.1.120.0020.00517.53
8.1.110.0040.00417.54
8.1.100.0050.00217.46
8.1.90.0030.00317.53
8.1.80.0000.00717.54
8.1.70.0000.00717.56
8.1.60.0040.00417.60
8.1.50.0000.00817.55
8.1.40.0000.00717.58
8.1.30.0030.00617.62
8.1.20.0050.00317.65
8.1.10.0000.00717.63
8.1.00.0070.00017.66
8.0.300.0070.00019.89
8.0.290.0040.00417.18
8.0.280.0040.00418.66
8.0.270.0000.00717.41
8.0.260.0070.00017.09
8.0.250.0080.00017.30
8.0.240.0060.00317.23
8.0.230.0000.00717.21
8.0.220.0030.00317.06
8.0.210.0080.00317.11
8.0.200.0030.00317.17
8.0.190.0000.00717.09
8.0.180.0020.00517.23
8.0.170.0040.00417.02
8.0.160.0070.00017.21
8.0.150.0070.00016.97
8.0.140.0040.00417.13
8.0.130.0030.00313.54
8.0.120.0000.00817.02
8.0.110.0030.00517.18
8.0.100.0000.00817.05
8.0.90.0070.00017.07
8.0.80.0090.00617.13
8.0.70.0000.00717.04
8.0.60.0050.00217.24
8.0.50.0040.00417.16
8.0.30.0120.00717.39
8.0.20.0120.00717.40
8.0.10.0040.00417.23
8.0.00.0140.00617.02
7.4.330.0050.00016.69
7.4.320.0040.00416.62
7.4.300.0000.00716.68
7.4.290.0060.00616.55
7.4.280.0050.00316.67
7.4.270.0000.00716.57
7.4.260.0050.00013.40
7.4.250.0000.00716.66
7.4.240.0000.00716.62
7.4.230.0000.00716.54
7.4.220.0040.01816.60
7.4.210.0060.00916.65
7.4.200.0030.00316.79
7.4.190.0000.00716.82
7.4.160.0080.00816.65
7.4.150.0180.00717.40
7.4.140.0130.00617.86
7.4.130.0150.00516.57
7.4.120.0110.00516.83
7.4.110.0080.01416.81
7.4.100.0100.00716.75
7.4.90.0110.00516.75
7.4.80.0060.01219.39
7.4.70.0120.00816.59
7.4.60.0090.00916.64
7.4.50.0000.00916.86
7.4.40.0120.00422.77
7.4.30.0150.00316.55
7.4.00.0130.00515.14
7.3.330.0050.00013.45
7.3.320.0030.00613.23
7.3.310.0000.00716.39
7.3.300.0050.00316.54
7.3.290.0100.00316.55
7.3.280.0100.00616.55
7.3.270.0170.00717.40
7.3.260.0100.01018.24
7.3.250.0110.01316.50
7.3.240.0160.00016.66
7.3.230.0090.00916.59
7.3.210.0110.01116.48
7.3.200.0150.00419.39
7.3.190.0130.00316.71
7.3.180.0060.00916.63
7.3.170.0110.00616.45
7.3.160.0090.00916.35
7.3.120.0050.00915.14
7.3.110.0030.01615.17
7.3.100.0040.01114.86
7.3.90.0050.01014.71
7.3.80.0070.00715.00
7.3.70.0040.01115.01
7.3.60.0080.00814.89
7.3.50.0000.00915.03
7.3.40.0090.00615.04
7.3.30.0030.01415.22
7.3.20.0070.00716.91
7.3.10.0130.00016.98
7.3.00.0000.01216.71
7.2.330.0060.01316.90
7.2.320.0030.01916.89
7.2.310.0090.01216.91
7.2.300.0080.01516.61
7.2.290.0030.01416.82
7.2.250.0150.00315.41
7.2.240.0100.01015.22
7.2.230.0050.00515.22
7.2.220.0100.00715.44
7.2.210.0000.01015.16
7.2.200.0040.01215.09
7.2.190.0030.00715.20
7.2.180.0070.01015.33
7.2.170.0030.01614.96
7.2.60.0030.00317.18
7.2.00.0100.00319.46
7.1.330.0030.01315.84
7.1.320.0090.00916.16
7.1.310.0060.01015.99
7.1.300.0040.00715.61
7.1.290.0090.00915.99
7.1.280.0030.01515.81
7.1.270.0090.00616.00
7.1.260.0070.00716.04
7.1.200.0090.00315.80
7.1.100.0090.00018.19
7.1.70.0060.00317.31
7.1.60.0070.01319.17
7.1.50.0130.01317.20
7.1.00.0000.05022.48
7.0.200.0040.00416.75
7.0.140.0030.07321.93
7.0.100.0170.04719.97
7.0.90.0200.02719.84
7.0.80.0200.06720.15
7.0.70.0200.03719.98
7.0.60.0100.04719.93
7.0.50.0130.06320.34
7.0.40.0100.06320.10
7.0.30.0130.07320.05
7.0.20.0100.04320.09
7.0.10.0130.03720.11
7.0.00.0100.04020.00
5.6.280.0000.07720.98
5.6.250.0000.06320.81
5.6.240.0030.07720.61
5.6.230.0030.04720.74
5.6.220.0000.08020.64
5.6.210.0070.04720.43
5.6.200.0130.03721.14
5.6.190.0100.06321.11
5.6.180.0030.06321.11
5.6.170.0030.07021.07
5.6.160.0100.03721.16
5.6.150.0070.04020.95
5.6.140.0170.04021.11
5.6.130.0000.05321.06
5.6.120.0070.07021.08
5.6.110.0100.06021.10
5.6.100.0070.06720.98
5.6.90.0070.04320.96
5.6.80.0070.03320.52
5.6.70.0070.04320.35
5.6.60.0070.04720.47
5.6.50.0130.04020.46
5.6.40.0030.04020.52
5.6.30.0030.06320.49
5.6.20.0000.04720.46
5.6.10.0170.03020.40
5.6.00.0070.03720.27
5.5.380.0030.04320.40
5.5.370.0070.03020.40
5.5.360.0170.03320.38
5.5.350.0130.07020.43
5.5.340.0100.08720.64
5.5.330.0070.05020.80
5.5.320.0170.04320.64
5.5.310.0070.07720.75
5.5.300.0030.04320.64
5.5.290.0030.06720.76
5.5.280.0100.04020.89
5.5.270.0070.04320.91
5.5.260.0070.07320.75
5.5.250.0070.04320.74
5.5.240.0030.03320.22
5.5.230.0030.05020.23
5.5.220.0100.06320.17
5.5.210.0030.08320.26
5.5.200.0100.03720.14
5.5.190.0030.05320.28
5.5.180.0000.06020.23
5.5.160.0070.05720.27
5.5.150.0130.03320.26
5.5.140.0000.08320.27
5.5.130.0100.06320.21
5.5.120.0030.07020.25
5.5.110.0070.06719.99
5.5.100.0030.05020.04
5.5.90.0030.04020.11
5.5.80.0100.03720.04
5.5.70.0070.07320.14
5.5.60.0070.06019.99
5.5.50.0000.08020.05
5.5.40.0030.05319.91
5.5.30.0130.05020.02
5.5.20.0030.06020.13
5.5.10.0000.08020.05
5.5.00.0130.04319.95
5.4.450.0100.04719.42
5.4.440.0030.04719.38
5.4.430.0030.04319.30
5.4.420.0030.05719.44
5.4.410.0000.04019.18
5.4.400.0100.04719.13
5.4.390.0130.02718.98
5.4.380.0100.03718.96
5.4.370.0030.07718.90
5.4.360.0070.06719.13
5.4.350.0200.05018.79
5.4.340.0030.04318.85
5.4.320.0000.06719.12
5.4.310.0070.03318.98
5.4.300.0130.03718.94
5.4.290.0070.03718.90
5.4.280.0070.06719.05
5.4.270.0070.06718.94
5.4.260.0030.06319.06
5.4.250.0030.07719.11
5.4.240.0070.07019.23
5.4.230.0170.06719.22
5.4.220.0000.05719.02
5.4.210.0000.05319.04
5.4.200.0030.03318.94
5.4.190.0030.04319.01
5.4.180.0100.04019.01
5.4.170.0130.06319.11
5.4.160.0030.07318.95
5.4.150.0170.06718.79
5.4.140.0070.07316.36
5.4.130.0030.06016.17
5.4.120.0030.03316.33
5.4.110.0170.06316.41
5.4.100.0000.05716.28
5.4.90.0000.03716.49
5.4.80.0170.06316.40
5.4.70.0070.07316.24
5.4.60.0100.06016.30
5.4.50.0070.03716.23
5.4.40.0000.04316.36
5.4.30.0130.06316.45
5.4.20.0170.05316.27
5.4.10.0070.08316.20
5.4.00.0000.07715.81
5.3.290.0070.04014.57
5.3.280.0130.06714.45
5.3.270.0130.07014.43
5.3.260.0130.04014.43
5.3.250.0000.05314.59
5.3.240.0100.03714.46
5.3.230.0030.03314.43
5.3.220.0030.05014.56
5.3.210.0070.07714.48
5.3.200.0130.06714.58
5.3.190.0000.08014.50
5.3.180.0070.03014.43
5.3.170.0030.06314.53
5.3.160.0070.06314.42
5.3.150.0070.04714.50
5.3.140.0070.07014.54
5.3.130.0030.04714.49
5.3.120.0070.08014.43
5.3.110.0070.07314.40
5.3.100.0000.03714.07
5.3.90.0030.03013.86
5.3.80.0000.05014.02
5.3.70.0030.07313.81
5.3.60.0130.06713.95
5.3.50.0030.03313.93
5.3.40.0030.08013.92
5.3.30.0030.07713.79
5.3.20.0030.06713.60
5.3.10.0170.02013.67
5.3.00.0000.03713.65
5.2.170.0030.06712.25
5.2.160.0100.05712.25
5.2.150.0000.04712.25
5.2.140.0030.06312.25
5.2.130.0030.03012.25
5.2.120.0000.02712.25
5.2.110.0000.02712.25
5.2.100.0030.05312.25
5.2.90.0070.05712.25
5.2.80.0070.04312.25
5.2.70.0130.02312.25
5.2.60.0030.02712.25
5.2.50.0030.05712.25
5.2.40.0030.02712.25
5.2.30.0100.02012.25
5.2.20.0100.04712.25
5.2.10.0000.02712.25
5.2.00.0030.05312.25
5.1.60.0030.05012.25
5.1.50.0000.06012.25
5.1.40.0000.05712.25
5.1.30.0000.03712.25
5.1.20.0000.03312.25
5.1.10.0030.02312.25
5.1.00.0070.06012.25
5.0.50.0070.04012.25
5.0.40.0030.04012.25
5.0.30.0000.06712.25
5.0.20.0000.02712.25
5.0.10.0000.02712.25
5.0.00.0030.03012.25
4.4.90.0000.01712.25
4.4.80.0000.01312.25
4.4.70.0070.01712.25
4.4.60.0030.02012.25
4.4.50.0070.01012.25
4.4.40.0000.05312.25
4.4.30.0070.03012.25
4.4.20.0000.03012.25
4.4.10.0000.02712.25
4.4.00.0030.04312.25
4.3.110.0070.01312.25
4.3.100.0100.01012.25
4.3.90.0000.03312.25
4.3.80.0000.05012.25
4.3.70.0030.03312.25
4.3.60.0070.02312.25
4.3.50.0030.01312.25
4.3.40.0000.04312.25
4.3.30.0030.02012.25
4.3.20.0030.03312.25
4.3.10.0000.03012.25
4.3.00.0000.01712.25

preferences:
32.06 ms | 401 KiB | 5 Q