3v4l.org

run code in 300+ PHP versions simultaneously
<?php $config = array( 'test' => array( 'derp' => array( 'example' => true, 'test' => 'derp'), 'herpa' => 'derpa', 'perpa' => 'hurradur')); function flatten($array, $current_path='test') { $result = array(); foreach($array as $key => $val) { $path = $current_path . '.' . $key; if (is_array($val)) { $result[$path] = $val; $result = array_merge($result, flatten($val, $path)); } else { $result[$path] = $val; } } return $result; } var_dump(flatten($config));

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)
8.3.60.0140.00318.31
8.3.50.0260.00922.00
8.3.40.0090.00618.58
8.3.30.0070.00719.09
8.3.20.0040.00420.20
8.3.10.0080.00021.92
8.3.00.0070.00022.46
8.2.180.0090.00616.49
8.2.170.0060.00922.96
8.2.160.0090.00620.84
8.2.150.0050.00324.18
8.2.140.0040.00424.66
8.2.130.0040.00426.16
8.2.120.0080.00019.36
8.2.110.0060.00319.27
8.2.100.0040.00718.22
8.2.90.0040.00419.26
8.2.80.0050.00317.97
8.2.70.0000.00917.46
8.2.60.0050.00217.93
8.2.50.0050.00518.10
8.2.40.0040.00420.60
8.2.30.0040.00421.02
8.2.20.0050.00217.63
8.2.10.0000.00717.73
8.2.00.0000.00817.61
8.1.280.0070.00725.92
8.1.270.0080.00023.86
8.1.260.0060.00326.35
8.1.250.0030.00528.09
8.1.240.0000.01022.78
8.1.230.0070.00320.39
8.1.220.0000.00817.74
8.1.210.0060.00318.77
8.1.200.0030.00617.35
8.1.190.0090.00017.47
8.1.180.0060.00318.10
8.1.170.0000.00818.64
8.1.160.0020.00518.94
8.1.150.0040.00420.12
8.1.140.0030.00617.44
8.1.130.0050.00317.86
8.1.120.0070.00017.39
8.1.110.0020.00517.43
8.1.100.0040.00417.41
8.1.90.0070.00017.43
8.1.80.0030.00317.34
8.1.70.0000.00717.46
8.1.60.0040.00417.59
8.1.50.0060.00317.48
8.1.40.0040.00417.52
8.1.30.0090.00017.48
8.1.20.0050.00317.67
8.1.10.0040.00417.43
8.1.00.0040.00417.50
8.0.300.0000.00819.09
8.0.290.0070.00016.60
8.0.280.0030.00318.30
8.0.270.0030.00317.16
8.0.260.0000.00816.82
8.0.250.0070.00016.86
8.0.240.0040.00416.88
8.0.230.0000.00716.82
8.0.220.0030.00316.78
8.0.210.0070.00016.88
8.0.200.0030.00316.95
8.0.190.0030.00616.84
8.0.180.0040.00416.88
8.0.170.0090.00016.89
8.0.160.0000.00716.88
8.0.150.0070.00016.84
8.0.140.0040.00416.75
8.0.130.0030.00313.24
8.0.120.0070.00016.82
8.0.110.0000.00816.88
8.0.100.0000.00716.74
8.0.90.0000.00716.83
8.0.80.0060.00916.90
8.0.70.0050.00316.99
8.0.60.0000.00716.95
8.0.50.0040.00416.70
8.0.30.0110.01117.05
8.0.20.0150.00417.40
8.0.10.0000.00816.88
8.0.00.0140.00516.73
7.4.330.0030.00315.04
7.4.320.0060.00016.61
7.4.300.0040.00416.62
7.4.290.0000.00716.59
7.4.280.0080.00016.43
7.4.270.0030.00316.39
7.4.260.0070.00016.50
7.4.250.0040.00416.50
7.4.240.0040.00316.47
7.4.230.0040.00416.68
7.4.220.0100.00716.57
7.4.210.0030.01316.55
7.4.200.0000.00716.57
7.4.190.0000.00716.66
7.4.160.0130.01016.30
7.4.150.0100.01017.40
7.4.140.0070.01217.86
7.4.130.0070.01116.47
7.4.120.0100.00716.54
7.4.110.0100.00716.35
7.4.100.0070.00816.55
7.4.90.0040.01416.52
7.4.80.0090.01219.39
7.4.70.0100.00716.64
7.4.60.0100.01016.49
7.4.50.0000.00916.39
7.4.40.0070.01022.77
7.4.30.0080.00816.57
7.4.00.0070.01015.09
7.3.330.0030.00313.32
7.3.320.0020.00213.13
7.3.310.0000.00716.18
7.3.300.0030.00316.24
7.3.290.0090.00616.28
7.3.280.0030.01216.34
7.3.270.0070.01117.40
7.3.260.0160.00316.43
7.3.250.0070.01016.36
7.3.240.0160.00616.35
7.3.230.0100.00716.61
7.3.210.0090.00916.43
7.3.200.0180.00719.39
7.3.190.0070.01016.32
7.3.180.0100.01616.52
7.3.170.0160.00016.40
7.3.160.0140.01016.60
7.3.120.0110.00714.79
7.3.00.0080.00316.78
7.2.330.0110.00716.79
7.2.320.0110.01416.80
7.2.310.0110.01116.81
7.2.300.0070.01016.53
7.2.290.0110.00616.39
7.2.130.0040.00717.04
7.2.120.0050.00517.02
7.2.110.0090.00716.86
7.2.100.0130.00616.70
7.2.90.0100.00516.92
7.2.80.0130.01016.76
7.2.70.0100.00616.95
7.2.60.0060.00916.95
7.2.50.0090.00817.05
7.2.40.0220.00616.92
7.2.30.0100.00716.97
7.2.20.0110.00316.90
7.2.10.0300.00516.87
7.2.00.0150.00617.66
7.1.250.0070.00315.64
7.1.240.0080.00315.84
7.1.230.0100.00215.77
7.1.220.0140.00615.83
7.1.210.0110.00615.71
7.1.200.0080.00715.90
7.1.190.0080.00315.74
7.1.180.0050.01015.65
7.1.170.0070.00615.70
7.1.160.0100.00515.89
7.1.150.0080.00815.85
7.1.140.0090.00515.65
7.1.130.0070.00715.81
7.1.120.0160.00415.65
7.1.110.0060.01215.85
7.1.100.0040.01016.64
7.1.90.0120.00615.85
7.1.80.0390.00715.65
7.1.70.0070.00515.96
7.1.60.0060.01017.22
7.1.50.0090.01016.15
7.1.40.0110.00615.93
7.1.30.0040.00915.83
7.1.20.0110.00515.92
7.1.10.0080.00315.64
7.1.00.0050.03017.96
7.0.330.0030.00715.31
7.0.320.0080.00415.02
7.0.310.0040.01015.28
7.0.300.0080.00415.53
7.0.290.0070.00715.22
7.0.280.0080.00815.33
7.0.270.0110.00415.45
7.0.260.0090.00615.31
7.0.250.0070.00715.26
7.0.240.0090.00515.13
7.0.230.0180.00315.32
7.0.220.0110.00315.53
7.0.210.0120.00315.57
7.0.200.0070.00415.85
7.0.190.0080.00315.44
7.0.180.0050.00815.43
7.0.170.0090.00315.43
7.0.160.0050.01015.44
7.0.150.0080.00215.36
7.0.140.0060.02517.52
7.0.130.0110.00315.55
7.0.120.0080.00715.58
7.0.110.0160.00815.22
7.0.100.0070.00515.40
7.0.90.0090.00615.40
7.0.80.0060.00715.35
7.0.70.0100.00315.40
7.0.60.0060.02116.81
7.0.50.0040.03016.27
7.0.40.0100.01715.71
7.0.30.0170.02415.59
7.0.20.0120.01715.70
7.0.10.0130.03315.65
7.0.00.0080.02315.77
5.6.380.0140.00214.21
5.6.370.0090.00514.35
5.6.360.0100.00614.54
5.6.350.0060.00814.44
5.6.340.0050.00914.43
5.6.330.0080.00714.53
5.6.320.0020.01314.51
5.6.310.0060.00714.36
5.6.300.0090.00714.37
5.6.290.0040.00914.66
5.6.280.0090.02616.56
5.6.270.0090.00514.49
5.6.260.0070.00614.24
5.6.250.0080.00514.33
5.6.240.0080.00814.22
5.6.230.0120.00214.58
5.6.220.0150.00014.35
5.6.210.0070.03016.42
5.6.200.0060.02015.63
5.6.190.0060.02016.45
5.6.180.0090.03016.45
5.6.170.0170.01716.28
5.6.160.0060.03316.45
5.6.150.0110.01415.59
5.6.140.0080.02915.63
5.6.130.0050.02015.60
5.6.120.0050.02016.70
5.6.110.0090.03116.58
5.6.100.0100.01716.54
5.6.90.0090.02716.54
5.6.80.0100.02216.33
5.6.70.0160.02516.39
5.6.60.0080.00614.31
5.6.50.0080.00614.29
5.6.40.0090.00814.64
5.6.30.0080.00514.37
5.6.20.0120.00314.25
5.6.10.0070.00614.33
5.6.00.0020.00814.26
5.5.380.0070.00412.02
5.5.370.0080.00411.92
5.5.360.0100.00212.04
5.5.350.0060.02614.83
5.5.340.0090.02613.97
5.5.330.0100.02814.78
5.5.320.0130.01814.70
5.5.310.0120.01814.71
5.5.300.0060.01614.01
5.5.290.0050.01614.03
5.5.280.0070.01614.89
5.5.270.0080.02215.00
5.5.260.0020.02214.95
5.5.250.0030.03114.92
5.5.240.0080.02414.78
5.5.230.0030.00512.03
5.5.220.0040.00412.05
5.5.210.0040.00712.00
5.5.200.0070.00312.05
5.5.190.0090.00312.08
5.5.180.0040.00411.99
5.5.170.0100.00112.86
5.5.160.0060.00312.03
5.5.150.0050.00412.10
5.5.140.0060.00412.10
5.5.130.0090.00112.07
5.5.120.0040.00611.90
5.5.110.0030.00612.04
5.5.100.0050.00911.93
5.5.90.0040.00911.97
5.5.80.0080.00612.03
5.5.70.0050.00712.02
5.5.60.0060.00712.07
5.5.50.0070.00511.96
5.5.40.0070.00511.97
5.5.30.0040.00712.05
5.5.20.0030.00911.92
5.5.10.0050.00512.08
5.5.00.0060.00312.07
5.4.450.0140.02214.55
5.4.440.0120.02614.42
5.4.430.0110.02014.54
5.4.420.0130.01614.39
5.4.410.0160.02714.36
5.4.400.0150.02214.39
5.4.390.0140.01814.38
5.4.380.0120.02014.32
5.4.370.0190.02114.42
5.4.360.0140.01714.29
5.4.350.0130.02414.48
5.4.340.0120.02114.48
5.4.330.0040.00511.90
5.4.320.0150.02314.45
5.4.310.0150.02814.51
5.4.300.0130.01914.37
5.4.290.0110.02514.33
5.4.280.0140.02714.26
5.4.270.0150.02414.28
5.4.260.0190.02214.33
5.4.250.0130.02814.44
5.4.240.0180.02214.26
5.4.230.0140.02714.44
5.4.220.0130.02914.27
5.4.210.0140.02014.33
5.4.200.0140.02814.28
5.4.190.0120.02214.25
5.4.180.0130.02114.34
5.4.170.0160.02214.28
5.4.160.0150.02514.25
5.4.150.0130.02914.22
5.4.140.0140.02313.46
5.4.130.0130.02013.42
5.4.120.0170.01813.36
5.4.110.0120.02613.39
5.4.100.0140.02713.36
5.4.90.0150.02513.43
5.4.80.0140.02613.43
5.4.70.0150.02013.32
5.4.60.0180.02213.43
5.4.50.0160.02613.39
5.4.40.0140.02513.45
5.4.30.0090.03013.47
5.4.20.0110.02813.37
5.4.10.0140.02513.37
5.4.00.0140.02713.20
5.3.290.0150.01212.90
5.3.280.0150.01912.90
5.3.270.0110.02812.90
5.3.260.0120.01812.90
5.3.250.0130.02812.90
5.3.240.0110.03012.90
5.3.230.0160.02412.90
5.3.220.0180.02712.90
5.3.210.0150.02512.90
5.3.200.0120.02812.90
5.3.190.0140.02512.90
5.3.180.0160.01412.90
5.3.170.0150.01712.90
5.3.160.0110.01912.90
5.3.150.0140.02712.90
5.3.140.0150.02512.90
5.3.130.0130.02012.90
5.3.120.0140.02112.90
5.3.110.0110.02812.90
5.3.100.0150.02412.90
5.3.90.0160.02312.90
5.3.80.0130.02812.90
5.3.70.0130.02612.90
5.3.60.0150.01812.90
5.3.50.0110.02812.90
5.3.40.0100.03012.90
5.3.30.0180.01912.90
5.3.20.0130.02012.90
5.3.10.0120.02512.90
5.3.00.0110.02712.90
5.2.170.0150.02212.90
5.2.160.0080.02312.90
5.2.150.0140.02012.90
5.2.140.0120.02012.90
5.2.130.0120.01812.90
5.2.120.0130.01312.90
5.2.110.0110.01212.90
5.2.100.0130.02112.90
5.2.90.0140.01912.90
5.2.80.0090.01712.90
5.2.70.0140.01912.90
5.2.60.0110.02012.90
5.2.50.0120.02012.90
5.2.40.0090.02512.90
5.2.30.0090.01712.90
5.2.20.0100.02212.90
5.2.10.0080.01612.90
5.2.00.0080.02212.90
5.1.60.0140.00912.90
5.1.50.0090.02212.90
5.1.40.0090.02312.90
5.1.30.0090.01712.90
5.1.20.0110.02012.90
5.1.10.0070.02012.90
5.1.00.0080.02112.90
5.0.50.0050.01812.90
5.0.40.0050.01812.90
5.0.30.0070.02012.90
5.0.20.0080.01412.90
5.0.10.0060.01812.90
5.0.00.0080.01912.90
4.4.90.0060.01112.90
4.4.80.0030.01512.90
4.4.70.0070.01212.90
4.4.60.0080.01412.90
4.4.50.0060.01112.90
4.4.40.0080.01712.90
4.4.30.0070.01312.90
4.4.20.0100.00912.90
4.4.10.0060.01112.90
4.4.00.0030.01712.90
4.3.110.0070.00812.90
4.3.100.0020.01512.90
4.3.90.0060.01112.90
4.3.80.0040.01312.90
4.3.70.0080.01212.90
4.3.60.0060.01512.90
4.3.50.0050.01612.90
4.3.40.0050.01512.90
4.3.30.0020.01612.90
4.3.20.0040.00912.90
4.3.10.0030.01112.90
4.3.00.0040.01312.90

preferences:
45.12 ms | 401 KiB | 5 Q