3v4l.org

run code in 300+ PHP versions simultaneously
<?php $custom_fields = [ 'foo' => '17', ]; $time_intervals = ['day', 'month', 'year', 'hour', 'minute', 'period']; $data = [ 'fooday' => '17', 'foomonth' => 'March', 'name' => 'Chris' ]; function array_string_multiply($array1, $array2) { foreach ($array1 as $field) { yield array_map(function ($interval) use ($field) { return $field . $interval; }, $array2); } } foreach (array_string_multiply(array_keys($custom_fields), $time_intervals)) as $key) { echo $key . "\n"; } foreach (array_keys($custom_fields) as $name) { foreach ($time_intervals as $interval_name) { // ; } } var_dump($data); // Result should be array that only contains $data['name'] = 'Chris'

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)
5.4.320.0050.03712.52
5.4.310.0050.04412.52
5.4.300.0050.03712.52
5.4.290.0070.03612.52
5.4.280.0050.03512.41
5.4.270.0090.03212.41
5.4.260.0030.04012.41
5.4.250.0080.03512.41
5.4.240.0030.03912.41
5.4.230.0060.03712.40
5.4.220.0020.04012.40
5.4.210.0100.03112.40
5.4.200.0060.03712.40
5.4.190.0020.04112.40
5.4.180.0060.03612.40
5.4.170.0070.03612.41
5.4.160.0060.03712.40
5.4.150.0070.03812.39
5.4.140.0080.03712.09
5.4.130.0080.04312.07
5.4.120.0060.03712.03
5.4.110.0080.04412.03
5.4.100.0080.03512.03
5.4.90.0050.03812.03
5.4.80.0040.04412.03
5.4.70.0030.03812.03
5.4.60.0050.03512.03
5.4.50.0050.03612.02
5.4.40.0090.03212.01
5.4.30.0070.03412.01
5.4.20.0050.03612.00
5.4.10.0060.03512.01
5.4.00.0060.03811.50
5.3.290.0070.03912.80
5.3.280.0040.04012.71
5.3.270.0020.04312.72
5.3.260.0030.04112.71
5.3.250.0090.04212.72
5.3.240.0060.03712.72
5.3.230.0040.04012.70
5.3.220.0050.04212.68
5.3.210.0060.03712.68
5.3.200.0090.04612.68
5.3.190.0130.03912.68
5.3.180.0060.03512.68
5.3.170.0030.03912.67
5.3.160.0070.03612.67
5.3.150.0090.03412.67
5.3.140.0090.03312.66
5.3.130.0080.05212.65
5.3.120.0050.05712.66
5.3.110.0110.05512.66
5.3.100.0060.04912.12
5.3.90.0110.03212.08
5.3.80.0050.03612.07
5.3.70.0060.03612.07
5.3.60.0070.03512.06
5.3.50.0070.03612.00
5.3.40.0050.04012.00
5.3.30.0090.03111.95
5.3.20.0030.03811.73
5.3.10.0060.03311.70
5.3.00.0070.03411.68
5.2.170.0030.0319.18
5.2.160.0040.0299.18
5.2.150.0040.0309.19
5.2.140.0030.0319.18
5.2.130.0050.0299.14
5.2.120.0060.0289.14
5.2.110.0050.0289.14
5.2.100.0080.0259.14
5.2.90.0060.0279.14
5.2.80.0030.0319.13
5.2.70.0050.0299.14
5.2.60.0060.0289.08
5.2.50.0080.0269.05
5.2.40.0130.0209.03
5.2.30.0090.0249.02
5.2.20.0110.0229.00
5.2.10.0080.0258.93
5.2.00.0080.0258.78
5.1.60.0080.0208.07
5.1.50.0030.0258.06
5.1.40.0080.0228.05
5.1.30.0100.0208.40
5.1.20.0020.0288.42
5.1.10.0070.0228.14
5.1.00.0020.0378.14
5.0.50.0060.0256.62
5.0.40.0040.0216.48
5.0.30.0040.0306.29
5.0.20.0030.0196.27
5.0.10.0040.0196.24
5.0.00.0030.0316.23
4.4.90.0020.0164.78
4.4.80.0040.0144.75
4.4.70.0020.0164.75
4.4.60.0040.0154.75
4.4.50.0030.0184.77
4.4.40.0030.0254.71
4.4.30.0020.0164.76
4.4.20.0030.0224.84
4.4.10.0030.0214.85
4.4.00.0030.0324.76
4.3.110.0030.0154.67
4.3.100.0020.0154.67
4.3.90.0010.0164.64
4.3.80.0020.0264.58
4.3.70.0030.0144.63
4.3.60.0030.0144.62
4.3.50.0040.0144.63
4.3.40.0020.0244.54
4.3.30.0020.0163.28
4.3.20.0030.0153.26
4.3.10.0010.0163.22
4.3.00.0000.0237.83

preferences:
148.01 ms | 1394 KiB | 7 Q