3v4l.org

run code in 300+ PHP versions simultaneously
<?php $custom_fields = [ 'foo' => '17', 'bar' => '17', ]; $time_intervals = ['day', 'month', 'year', 'hour', 'minute', 'period']; $data = [ 'fooday' => '17', 'foomonth' => 'March', 'name' => 'Chris' ]; function array_string_multiply($array1, $array2) { $values = []; foreach ($array1 as $field) { $values += array_map(function ($interval) use ($field) { return $field . $interval; }, $array2); } return $values; } foreach (array_string_multiply(array_keys($custom_fields), $time_intervals) as $key) { var_dump($key); } 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)
8.3.60.0070.00718.43
8.3.50.0080.01222.98
8.3.40.0110.00418.97
8.3.30.0110.00719.09
8.3.20.0080.00020.19
8.3.10.0040.00423.65
8.3.00.0050.00319.50
8.2.180.0120.00616.38
8.2.170.0140.00022.96
8.2.160.0070.00720.22
8.2.150.0080.00024.18
8.2.140.0040.00424.66
8.2.130.0070.00726.16
8.2.120.0040.00420.87
8.2.110.0060.00320.46
8.2.100.0030.00919.64
8.2.90.0000.00817.84
8.2.80.0060.00618.79
8.2.70.0060.00317.93
8.2.60.0060.00319.78
8.2.50.0070.00318.10
8.2.40.0050.00320.59
8.2.30.0000.00818.03
8.2.20.0040.00417.68
8.2.10.0040.00418.23
8.2.00.0000.00817.74
8.1.280.0030.01025.92
8.1.270.0030.00623.86
8.1.260.0040.00426.35
8.1.250.0070.00028.09
8.1.240.0000.00923.68
8.1.230.0090.00320.88
8.1.220.0080.00017.74
8.1.210.0030.00518.77
8.1.200.0060.00317.35
8.1.190.0080.00017.52
8.1.180.0040.00418.10
8.1.170.0060.00318.59
8.1.160.0050.00322.11
8.1.150.0020.00518.94
8.1.140.0040.00417.46
8.1.130.0070.00017.78
8.1.120.0000.00717.48
8.1.110.0040.00417.44
8.1.100.0040.00417.45
8.1.90.0030.00617.42
8.1.80.0030.00517.52
8.1.70.0000.00717.35
8.1.60.0050.00517.47
8.1.50.0000.00817.40
8.1.40.0040.00417.42
8.1.30.0030.00517.58
8.1.20.0050.00317.59
8.1.10.0000.00817.49
8.1.00.0030.00617.36
8.0.300.0060.00320.73
8.0.290.0040.00416.63
8.0.280.0030.00318.45
8.0.270.0070.00017.13
8.0.260.0030.00317.19
8.0.250.0030.00317.03
8.0.240.0000.00717.03
8.0.230.0000.00616.93
8.0.220.0000.00716.82
8.0.210.0000.00716.98
8.0.200.0030.00317.04
8.0.190.0000.00717.02
8.0.180.0040.00416.98
8.0.170.0000.00816.90
8.0.160.0030.00316.93
8.0.150.0000.00716.79
8.0.140.0000.00716.81
8.0.130.0000.00513.37
8.0.120.0040.00416.81
8.0.110.0000.00716.89
8.0.100.0050.00216.86
8.0.90.0000.00716.95
8.0.80.0100.01017.00
8.0.70.0040.00416.99
8.0.60.0000.00816.85
8.0.50.0040.00416.78
8.0.30.0110.01117.04
8.0.20.0180.00317.40
8.0.10.0030.00617.04
8.0.00.0110.00616.88
7.4.330.0050.00015.00
7.4.320.0030.00316.59
7.4.300.0030.00316.55
7.4.290.0000.00716.64
7.4.280.0030.00516.57
7.4.270.0040.00416.44
7.4.260.0030.00316.52
7.4.250.0000.00916.55
7.4.240.0040.00316.45
7.4.230.0070.00016.59
7.4.220.0130.00616.52
7.4.210.0070.00716.45
7.4.200.0000.00716.62
7.4.160.0130.01316.34
7.4.150.0200.00017.40
7.4.140.0110.01017.86
7.4.130.0100.00716.43
7.4.120.0110.00616.43
7.4.110.0040.01316.23
7.4.100.0140.00316.64
7.4.90.0170.00016.64
7.4.80.0000.01819.39
7.4.70.0060.00916.32
7.4.60.0110.00716.55
7.4.50.0030.00616.37
7.4.40.0130.00916.38
7.4.30.0100.00616.43
7.4.00.0090.00614.95
7.3.330.0030.00313.30
7.3.320.0000.00513.23
7.3.310.0000.00816.14
7.3.300.0050.00216.30
7.3.290.0060.01216.28
7.3.280.0110.00816.30
7.3.270.0130.00817.40
7.3.260.0150.00316.53
7.3.250.0110.01016.49
7.3.240.0160.00616.34
7.3.230.0110.00616.39
7.3.210.0130.00616.37
7.3.200.0060.01219.39
7.3.190.0070.01016.29
7.3.180.0100.01016.58
7.3.170.0110.01116.61
7.3.160.0120.00816.34
7.3.10.0030.01316.66
7.3.00.0070.00716.60
7.2.330.0090.00916.66
7.2.320.0110.01116.54
7.2.310.0150.00216.79
7.2.300.0120.00616.58
7.2.290.0080.00816.49
7.2.130.0070.00716.88
7.2.120.0040.01217.00
7.2.110.0030.01116.92
7.2.100.0040.01116.93
7.2.90.0030.00617.08
7.2.80.0040.00816.85
7.2.70.0070.01017.00
7.2.60.0000.01416.87
7.2.50.0060.00616.99
7.2.40.0100.00716.76
7.2.30.0000.01116.54
7.2.20.0060.00817.07
7.2.10.0070.01116.78
7.2.00.0070.00716.66
7.1.250.0040.00716.02
7.1.70.0060.00917.35
7.1.60.0120.01219.40
7.1.50.0070.01717.06
7.1.00.0030.07722.54
7.0.200.0060.00616.82
7.0.140.0070.07022.09
7.0.60.0070.07020.03
7.0.50.0030.04017.84
7.0.40.0130.07720.11
7.0.30.0230.05320.23
7.0.20.0230.06320.23
7.0.10.0130.07720.09
7.0.00.0070.04020.10
5.6.280.0100.06320.79
5.6.210.0130.03720.60
5.6.200.0100.08018.22
5.6.190.0070.04020.52
5.6.180.4130.04320.59
5.6.170.0300.06020.47
5.6.160.0130.05020.54
5.6.150.0070.07318.15
5.6.140.0030.07018.18
5.6.130.0030.07718.18
5.6.120.0070.04721.00
5.6.110.0030.04321.12
5.6.100.0000.04320.99
5.6.90.0070.04321.01
5.6.80.0100.07720.54
5.5.350.0030.08020.43
5.5.340.0030.08318.05
5.5.330.0100.07720.46
5.5.320.0230.05020.20
5.5.310.0270.07720.30
5.5.300.0000.04717.98
5.5.290.0070.03718.04
5.5.280.0070.06020.74
5.5.270.0030.07720.66
5.5.260.0130.07320.80
5.5.250.0070.07720.48
5.5.240.4070.04020.17
5.4.450.0200.05019.55
5.4.440.0270.06019.55
5.4.430.0300.06019.41
5.4.420.0330.05019.48
5.4.410.0300.05019.44
5.4.400.0300.05719.30
5.4.390.0270.03719.11
5.4.380.0270.03319.06
5.4.370.0330.07019.31
5.4.360.0270.06319.24
5.4.350.0230.03719.22
5.4.340.0270.04319.09
5.4.320.0330.04019.09
5.4.310.0330.07018.98
5.4.300.0370.06018.99
5.4.290.0370.03719.24
5.4.280.0270.03719.09
5.4.270.0270.04719.31
5.4.260.0430.04318.98
5.4.250.0230.04719.22
5.4.240.0270.07718.86
5.4.230.0230.07018.83
5.4.220.0330.04718.95
5.4.210.0230.06319.21
5.4.200.0470.04019.13
5.4.190.0300.07018.93
5.4.180.0370.04319.14
5.4.170.0270.06318.82
5.4.160.0230.05719.06
5.4.150.0330.06318.86
5.4.140.0300.07316.38
5.4.130.0330.05716.33
5.4.120.0200.07716.56
5.4.110.0270.07016.51
5.4.100.0200.07016.64
5.4.90.0400.04316.57
5.4.80.0300.03716.57
5.4.70.0200.03716.39
5.4.60.0200.06316.51
5.4.50.0170.04016.54
5.4.40.0170.04016.55
5.4.30.0130.06316.18
5.4.20.0130.03716.52
5.4.10.0270.06316.30
5.4.00.0130.04015.76
5.3.290.0200.07014.69
5.3.280.0200.07314.61
5.3.270.0200.05014.62
5.3.260.0330.06014.56
5.3.250.0330.06014.45
5.3.240.0270.07014.56
5.3.230.0200.05014.44
5.3.220.0170.04714.44
5.3.210.0170.04014.52
5.3.200.0200.04314.42
5.3.190.0270.07314.44
5.3.180.0230.04714.51
5.3.170.0170.04014.61
5.3.160.0270.06714.41
5.3.150.0270.06014.63
5.3.140.0100.06714.54
5.3.130.0230.06014.56
5.3.120.0230.05714.64
5.3.110.0230.06314.38
5.3.100.0270.07313.91
5.3.90.0570.06713.86
5.3.80.0570.06013.79
5.3.70.0330.03714.11
5.3.60.0600.05714.05
5.3.50.0300.03713.96
5.3.40.0270.06313.75
5.3.30.0230.03713.76
5.3.20.0270.03313.67
5.3.10.0230.03313.67
5.3.00.0270.06313.51
5.2.170.0200.06011.09
5.2.160.0170.05711.16
5.2.150.0130.07011.16
5.2.140.0170.04311.15
5.2.130.0170.02710.95
5.2.120.0200.03011.04
5.2.110.0130.03311.11
5.2.100.0130.03310.95
5.2.90.0170.05310.95
5.2.80.0130.03710.94
5.2.70.0200.05711.14
5.2.60.0200.02311.07
5.2.50.0130.04711.02
5.2.40.0070.03310.85
5.2.30.0130.05710.91
5.2.20.0070.03311.13
5.2.10.0130.02710.77
5.2.00.0070.03010.66
5.1.60.0030.02310.04
5.1.50.0000.0279.93
5.1.40.0130.0209.96
5.1.30.0100.03010.24
5.1.20.0130.05310.27
5.1.10.0100.04010.11
5.1.00.0130.02310.04
5.0.50.0100.0278.52
5.0.40.0030.0208.39
5.0.30.0100.0308.20
5.0.20.0030.0208.32
5.0.10.0100.0208.39
5.0.00.0000.0378.11
4.4.90.0070.0178.11
4.4.80.0030.0178.11
4.4.70.0070.0138.11
4.4.60.0100.0108.11
4.4.50.0030.0208.11
4.4.40.0030.0278.11
4.4.30.0100.0138.11
4.4.20.0100.0238.11
4.4.10.0030.0208.11
4.4.00.0030.0278.11
4.3.110.0100.0278.11
4.3.100.0030.0208.11
4.3.90.0030.0178.11
4.3.80.0100.0238.11
4.3.70.0070.0308.11
4.3.60.0070.0208.11
4.3.50.0100.0178.11
4.3.40.0030.0338.11
4.3.30.0000.0178.11
4.3.20.0030.0178.11
4.3.10.0000.0178.11
4.3.00.0030.0138.11

preferences:
56.94 ms | 401 KiB | 5 Q