3v4l.org

run code in 300+ PHP versions simultaneously
<?php unction dot($array, $prepend = '') { $results = array(); foreach ($array as $key => $value) { if (is_array($value)) { $results = array_merge($results, dot($value, $prepend.$key.'.')); } else { $results[$prepend.$key] = $value; } } return $results; } $array = [ 'foo' => [], 'bar' => [ 'baz' => 1 ] ]; print_r(dot($array));

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)
5.4.340.0060.03412.01
5.4.320.0040.03912.50
5.4.310.0090.03612.49
5.4.300.0110.03412.50
5.4.290.0090.04812.49
5.4.280.0060.03512.39
5.4.270.0060.03512.39
5.4.260.0080.03912.39
5.4.250.0040.03812.39
5.4.240.0020.04012.39
5.4.230.0050.03812.38
5.4.220.0070.03712.38
5.4.210.0070.04012.38
5.4.200.0070.03512.38
5.4.190.0070.03512.38
5.4.180.0070.03412.38
5.4.170.0040.03812.39
5.4.160.0090.03312.38
5.4.150.0090.03412.38
5.4.140.0050.03812.07
5.4.130.0060.03612.05
5.4.120.0080.03412.02
5.4.110.0070.03512.01
5.4.100.0070.03912.01
5.4.90.0090.04612.01
5.4.80.0070.04612.01
5.4.70.0060.03512.01
5.4.60.0070.03712.00
5.4.50.0030.04212.00
5.4.40.0080.03312.00
5.4.30.0050.03711.99
5.4.20.0040.03711.99
5.4.10.0050.03911.99
5.4.00.0040.03711.48
5.3.290.0070.03912.80
5.3.280.0060.03812.71
5.3.270.0090.03612.73
5.3.260.0030.04212.72
5.3.250.0030.04012.72
5.3.240.0040.04012.72
5.3.230.0050.03912.71
5.3.220.0090.03412.68
5.3.210.0100.03512.68
5.3.200.0060.03612.68
5.3.190.0060.03712.68
5.3.180.0070.03512.67
5.3.170.0050.03812.67
5.3.160.0040.03812.68
5.3.150.0040.03912.67
5.3.140.0060.03712.66
5.3.130.0050.04012.66
5.3.120.0070.03812.66
5.3.110.0080.03812.66
5.3.100.0030.04012.12
5.3.90.0070.03912.08
5.3.80.0080.04112.08
5.3.70.0110.04612.08
5.3.60.0070.03612.06
5.3.50.0070.03512.00
5.3.40.0070.03512.00
5.3.30.0060.03811.95
5.3.20.0060.03611.73
5.3.10.0070.03411.70
5.3.00.0050.03711.68
5.2.170.0070.0289.18
5.2.160.0050.0299.18
5.2.150.0070.0289.18
5.2.140.0040.0319.18
5.2.130.0050.0309.14
5.2.120.0050.0289.14
5.2.110.0030.0319.14
5.2.100.0010.0329.14
5.2.90.0040.0299.14
5.2.80.0080.0269.14
5.2.70.0040.0309.14
5.2.60.0020.0329.09
5.2.50.0060.0319.06
5.2.40.0040.0289.03
5.2.30.0050.0299.02
5.2.20.0040.0309.00
5.2.10.0080.0258.92
5.2.00.0040.0328.79
5.1.60.0030.0268.07
5.1.50.0040.0268.07
5.1.40.0040.0248.05
5.1.30.0020.0278.40
5.1.20.0060.0248.41
5.1.10.0020.0288.14
5.1.00.0060.0248.14
5.0.50.0060.0186.62
5.0.40.0050.0176.48
5.0.30.0020.0326.29
5.0.20.0050.0186.26
5.0.10.0020.0216.24
5.0.00.0040.0306.23
4.4.90.0010.0174.78
4.4.80.0040.0134.75
4.4.70.0010.0174.75
4.4.60.0040.0154.76
4.4.50.0030.0144.77
4.4.40.0020.0264.71
4.4.30.0030.0154.76
4.4.20.0030.0154.84
4.4.10.0020.0174.85
4.4.00.0030.0244.76
4.3.110.0020.0164.67
4.3.100.0030.0144.67
4.3.90.0050.0124.63
4.3.80.0020.0254.58
4.3.70.0020.0154.63
4.3.60.0040.0134.63
4.3.50.0040.0144.62
4.3.40.0040.0234.54
4.3.30.0020.0163.29
4.3.20.0010.0173.26
4.3.10.0020.0163.22
4.3.00.0170.0136.99

preferences:
137.71 ms | 1394 KiB | 7 Q