3v4l.org

run code in 300+ PHP versions simultaneously
<?php date_default_timezone_set('UTC'); $b = new DateTime(); echo "Current: ".$b->format('Y-m-d H:i:s'); echo "\r\n"; echo "\r\n"; $t = new DateTime("07:00", new DateTimeZone('America/New_York')); $t->setTimezone(new DateTimeZone('UTC')); echo "ET: ".$t->format('Y-m-d H:i:s'); $f = (new DateTime())->setTimezone(new DateTimeZone('America/New_York')); $f->setTime(7,0); $f->setTimezone(new DateTimeZone('UTC')); echo "\r\n"; echo "ET Second Way: ".$f->format('Y-m-d H:i:s'); echo "\r\n"; $t = new DateTime("07:00", new DateTimeZone('America/Chicago')); $t->setTimezone(new DateTimeZone('UTC')); echo "ET: ".$t->format('Y-m-d H:i:s'); $f = (new DateTime())->setTimezone(new DateTimeZone('America/Chicago')); $f->setTime(7,0); $f->setTimezone(new DateTimeZone('UTC')); echo "\r\n"; echo "ET Second Way: ".$f->format('Y-m-d H:i:s'); echo "\r\n"; $t = new DateTime("07:00", new DateTimeZone('America/Denver')); $t->setTimezone(new DateTimeZone('UTC')); echo "ET: ".$t->format('Y-m-d H:i:s'); $f = (new DateTime())->setTimezone(new DateTimeZone('America/Denver')); $f->setTime(7,0); $f->setTimezone(new DateTimeZone('UTC')); echo "\r\n"; echo "ET Second Way: ".$f->format('Y-m-d H:i:s'); echo "\r\n"; $t = new DateTime("07:00", new DateTimeZone('America/Los_Angeles')); $t->setTimezone(new DateTimeZone('UTC')); echo "ET: ".$t->format('Y-m-d H:i:s'); $f = (new DateTime())->setTimezone(new DateTimeZone('America/Los_Angeles')); $f->setTime(7,0); $f->setTimezone(new DateTimeZone('UTC')); echo "\r\n"; echo "ET Second Way: ".$f->format('Y-m-d H:i:s'); echo "\r\n---"; $f = new DateTime("07:00", new DateTimeZone('America/Chicago')); $f->setTimezone(new DateTimeZone('UTC')); echo $f->format('Y-m-d H:i:s'); echo "\r\n"; echo "\r\n"; $f = new DateTime(); $f->setTimezone(new DateTimeZone('America/Chicago')); echo $f->format('Y-m-d H:i:s'); $f = new DateTime(); $f->setTime(7,0); echo "\r\n"; $f->setTimezone(new DateTimeZone('America/Chicago')); echo $f->format('Y-m-d H:i:s'); echo "\r\n"; echo "\r\n"; $g = new DateTime("07:00", new DateTimeZone('America/Denver')); $g->setTimezone(new DateTimeZone('UTC')); echo $g->format('Y-m-d H:i:s'); echo "\r\n"; $h = new DateTime("07:00", new DateTimeZone('America/Los_Angeles')); $h->setTimezone(new DateTimeZone('UTC')); echo $h->format('Y-m-d H:i:s'); echo "\r\n"; echo strtotime('today 7am'); echo "\r\n"; echo (new DateTime())->setTimestamp(strtotime('today 7am'))->format('Y-m-d H:i:s');

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)
8.3.40.0180.00422.11
8.3.30.0140.00719.09
8.3.20.0080.00024.18
8.3.10.0030.00624.66
8.3.00.0070.01126.16
8.2.170.0120.00918.89
8.2.160.0140.00722.96
8.2.150.0150.00325.66
8.2.140.0030.00724.66
8.2.130.0130.00626.16
8.2.120.0050.00326.35
8.2.110.0000.00922.25
8.2.100.0080.00317.95
8.2.90.0000.01020.71
8.2.80.0000.00817.97
8.2.70.0060.00318.00
8.2.60.0080.00018.00
8.2.50.0000.00818.05
8.2.40.0000.00820.20
8.2.30.0000.00818.18
8.2.20.0060.00318.26
8.2.10.0050.00319.43
8.2.00.0000.00919.54
8.1.270.0130.00723.99
8.1.260.0070.01128.09
8.1.250.0060.00328.09
8.1.240.0030.00622.59
8.1.230.0040.00720.97
8.1.220.0030.00617.80
8.1.210.0050.00319.06
8.1.200.0030.00717.60
8.1.190.0050.00517.60
8.1.180.0050.01018.10
8.1.170.0040.00418.90
8.1.160.0000.00719.00
8.1.150.0040.00419.18
8.1.140.0100.00019.11
8.1.130.0030.00320.34
8.1.120.0040.00417.80
8.1.110.0060.00317.75
8.1.100.0000.01017.56
8.1.90.0000.00817.67
8.1.80.0040.00417.56
8.1.70.0030.00517.71
8.1.60.0050.00317.78
8.1.50.0060.00317.66
8.1.40.0060.00317.65
8.1.30.0000.00917.76
8.1.20.0060.00317.72
8.1.10.0040.00417.79
8.1.00.0030.00517.73
8.0.300.0030.00620.11
8.0.290.0050.00317.13
8.0.280.0040.00420.34
8.0.270.0040.00418.44
8.0.260.0070.00020.42
8.0.250.0000.00817.41
8.0.240.0000.00717.36
8.0.230.0040.00417.38
8.0.220.0040.00417.37
8.0.210.0000.00717.31
8.0.200.0000.00817.28
8.0.190.0000.00917.28
8.0.180.0040.00417.24
8.0.170.0030.00617.36
8.0.160.0040.00417.27
8.0.150.0040.00417.31
8.0.140.0040.00417.17
8.0.130.0040.00413.66
8.0.120.0060.00317.30
8.0.110.0020.00517.26
8.0.100.0060.00317.25
8.0.90.0080.00017.22
8.0.80.0060.00917.30
8.0.70.0040.00417.13
8.0.60.0000.00817.18
8.0.50.0060.00317.11
8.0.30.0110.00917.29
8.0.20.0100.01017.35
8.0.10.0000.00817.24
8.0.00.0110.00717.21
7.4.330.0000.00515.55
7.4.320.0060.00016.86
7.4.300.0000.00816.75
7.4.290.0030.00516.75
7.4.280.0060.00316.89
7.4.270.0000.00716.78
7.4.260.0000.00513.48
7.4.250.0070.00016.73
7.4.240.0070.00016.68
7.4.230.0030.00616.89
7.4.220.0020.00516.81
7.4.210.0100.00816.84
7.4.200.0040.00416.76
7.4.130.0100.01016.90
7.4.120.0090.01216.85
7.4.110.0040.01516.81
7.4.100.0130.00716.81
7.4.90.0080.01616.73
7.4.80.0110.00816.93
7.4.70.0120.00616.81
7.4.60.0110.00716.59
7.4.50.0090.00916.91
7.4.40.0120.00616.63
7.4.30.0090.00916.76
7.4.20.0140.00416.83
7.4.10.0110.00816.87
7.4.00.0110.00716.84
7.3.330.0000.00816.63
7.3.320.0000.00713.38
7.3.310.0000.00816.49
7.3.300.0040.00416.57
7.3.290.0130.00616.68
7.3.260.0180.00016.75
7.3.230.0060.01216.63
7.3.220.0120.00616.64
7.3.210.0090.00916.73
7.3.200.0100.01316.81
7.3.190.0140.00416.82
7.3.180.0070.01116.75
7.3.170.0070.01116.56
7.3.160.0170.00016.53
7.3.150.0100.00716.84
7.3.140.0150.00316.55
7.3.130.0030.01416.87
7.3.120.0040.01416.63
7.3.110.0140.00316.47
7.3.100.0030.01416.85
7.3.90.0090.00916.74
7.3.80.0160.00316.69
7.3.70.0070.01116.56
7.3.60.0090.00916.48
7.3.50.0090.00916.69
7.3.40.0150.00316.68
7.3.30.0060.01216.35
7.3.20.0390.01016.73
7.3.10.0090.00916.64
7.3.00.0040.01416.71
7.2.340.0090.00917.18
7.2.330.0060.01816.82
7.2.320.0160.00316.76
7.2.310.0160.00317.03
7.2.300.0150.00317.15
7.2.290.0110.00716.69
7.2.280.0090.00916.92
7.2.270.0120.00616.83
7.2.260.0080.01117.16
7.2.250.0070.01117.04
7.2.240.0070.01116.95
7.2.230.0120.00616.78
7.2.220.0110.01117.22
7.2.210.0150.00316.80
7.2.200.0120.00616.95
7.2.190.0110.00716.79
7.2.180.0140.00716.94
7.2.170.0120.00616.88
7.2.160.0040.01316.90
7.2.150.0130.00617.12
7.2.140.0030.01616.96
7.2.130.0100.01016.98
7.2.120.0080.01216.98
7.2.110.0150.00317.04
7.2.100.0280.01517.15
7.2.90.0080.00816.87
7.2.80.0100.00616.87
7.2.70.0030.01417.13
7.2.60.0130.00317.03
7.2.50.0030.01716.90
7.2.40.0070.01317.01
7.2.30.0070.01316.94
7.2.20.0120.00917.11
7.2.10.0130.00616.89
7.2.00.0110.00817.08

preferences:
56.29 ms | 400 KiB | 5 Q