3v4l.org

run code in 300+ PHP versions simultaneously
<?php function _flatten_array($arr) { while ($arr) { list($key, $value) = each($arr); is_array($value) ? $arr = $value : $out[$key] = $value; unset($arr[$key]); } return (array)$out; } $aNonFlat = array( 1, 2, array( 3, 4, 5, array( 6, 7 ), 8, 9, ), 10, 11 ); var_export(_flatten_array($$aNonFlat));

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)
8.3.60.0180.00018.43
8.3.50.0110.00318.03
8.3.40.0120.00318.58
8.3.30.0120.00318.54
8.3.20.0050.00318.85
8.3.10.0070.00021.91
8.3.00.0040.00423.84
8.2.180.0190.01016.88
8.2.170.0070.00722.96
8.2.160.0100.00319.04
8.2.150.0050.00324.18
8.2.140.0040.00424.66
8.2.130.0040.00426.16
8.2.120.0060.00319.83
8.2.110.0100.00021.04
8.2.100.0080.00417.91
8.2.90.0040.00417.84
8.2.80.0110.00017.97
8.2.70.0040.00417.93
8.2.60.0000.00819.39
8.2.50.0000.00917.55
8.2.40.0000.01019.35
8.2.30.0040.00417.80
8.2.20.0060.00318.05
8.2.10.0070.00019.51
8.2.00.0030.00519.38
8.1.280.0090.00625.92
8.1.270.0080.00021.98
8.1.260.0000.00726.35
8.1.250.0040.00428.09
8.1.240.0060.00320.30
8.1.230.0160.00021.04
8.1.220.0000.00817.78
8.1.210.0030.00618.77
8.1.200.0110.00017.21
8.1.190.0080.00017.35
8.1.180.0090.00018.10
8.1.170.0000.00718.86
8.1.160.0050.00218.88
8.1.150.0070.00018.91
8.1.140.0050.00317.64
8.1.130.0000.00719.09
8.1.120.0000.00817.49
8.1.110.0000.00917.52
8.1.100.0030.00417.45
8.1.90.0040.00417.50
8.1.80.0000.00717.35
8.1.70.0000.00817.47
8.1.60.0050.00317.55
8.1.50.0060.00317.47
8.1.40.0080.00017.54
8.1.30.0030.00617.66
8.1.20.0040.00417.66
8.1.10.0040.00417.33
8.1.00.0020.00517.28
8.0.300.0000.00819.63
8.0.290.0060.00316.63
8.0.280.0050.00317.99
8.0.270.0080.00018.13
8.0.260.0030.00317.26
8.0.250.0030.00316.94
8.0.240.0030.00316.93
8.0.230.0000.00716.96
8.0.220.0000.00716.85
8.0.210.0000.00716.90
8.0.200.0030.00317.04
8.0.190.0060.00317.02
8.0.180.0040.00417.00
8.0.170.0080.00016.98
8.0.160.0000.00717.03
8.0.150.0030.00316.86
8.0.140.0030.00316.96
8.0.130.0060.00013.41
8.0.120.0040.00416.94
8.0.110.0040.00416.98
8.0.100.0000.00717.00
8.0.90.0000.00717.03
8.0.80.0070.01216.97
8.0.70.0070.00016.89
8.0.60.0000.00716.90
8.0.50.0040.00416.89
8.0.30.0110.00817.14
8.0.20.0090.00917.40
8.0.10.0040.00417.13
8.0.00.0060.01216.87
7.4.330.0050.00015.55
7.4.320.0030.00316.44
7.4.300.0050.00316.50
7.4.290.0030.00516.50
7.4.280.0040.00416.59
7.4.270.0000.00816.43
7.4.260.0000.01016.64
7.4.250.0040.00416.40
7.4.240.0000.00716.61
7.4.230.0000.00716.41
7.4.220.0040.00416.69
7.4.210.0040.01016.55
7.4.200.0000.00816.56
7.4.160.0080.00816.55
7.4.140.0080.00917.86
7.4.130.0070.01116.52
7.4.120.0120.00816.53
7.4.110.0170.00016.51
7.4.100.0110.00616.34
7.4.90.0040.01416.47
7.4.80.0160.00319.39
7.4.70.0080.00816.43
7.4.60.0080.00816.63
7.4.50.0090.00616.55
7.4.40.0130.00916.52
7.4.00.0070.01015.04
7.3.330.0000.00613.44
7.3.320.0000.00613.24
7.3.310.0000.00716.48
7.3.300.0000.00616.39
7.3.290.0040.00416.45
7.3.280.0080.01116.46
7.3.260.0110.00516.43
7.3.240.0100.00816.43
7.3.230.0030.01616.33
7.3.210.0040.01416.48
7.3.200.0190.00416.66
7.3.190.0060.00916.46
7.3.180.0100.00716.46
7.3.170.0170.00016.56
7.3.160.0090.01216.51
7.3.120.0140.00414.94
7.3.110.0030.01414.72
7.3.100.0100.00314.76
7.3.90.0070.00714.62
7.3.80.0110.00314.91
7.3.70.0000.00914.82
7.3.60.0070.00714.82
7.3.50.0090.00614.80
7.3.40.0030.01414.83
7.3.30.0030.00614.89
7.3.20.0130.00316.86
7.3.10.0180.00416.33
7.3.00.0120.00416.34
7.2.330.0100.01016.68
7.2.320.0110.01116.71
7.2.310.0100.00716.71
7.2.300.0030.01316.70
7.2.290.0100.01216.34
7.2.250.0100.01014.91
7.2.240.0070.01014.91
7.2.230.0030.01315.28
7.2.220.0070.00714.93
7.2.210.0030.01015.21
7.2.200.0090.00015.04
7.2.190.0070.01014.76
7.2.180.0030.01314.95
7.2.170.0060.01215.01
7.2.130.0130.00616.54
7.2.120.0110.01216.57
7.2.110.0110.01016.46
7.2.100.0120.00816.49
7.2.90.0130.01116.43
7.2.80.0120.00716.42
7.2.70.0120.01016.09
7.2.60.0170.00415.95
7.2.50.0130.00616.01
7.2.40.0130.01216.00
7.2.30.0150.01016.29
7.2.20.0130.01116.20
7.2.10.0170.00916.16
7.2.00.0450.00616.05
7.1.330.0080.00415.88
7.1.320.0060.00915.92
7.1.310.0070.00715.50
7.1.300.0060.00315.70
7.1.290.0110.00415.83
7.1.280.0000.01415.80
7.1.270.0040.01115.50
7.1.260.0000.01115.88
7.1.250.0160.00415.38
7.1.200.0070.00715.81
7.1.170.0200.01013.83
7.1.160.0260.00613.59
7.1.150.0220.00913.75
7.1.140.0230.00713.76
7.1.130.0290.00313.91
7.1.120.0180.00713.90
7.1.110.0270.00613.68
7.1.100.0220.00913.93
7.1.90.0280.00313.75
7.1.80.0170.00713.81
7.1.70.0230.00613.93
7.1.60.0350.00731.88
7.1.50.0330.01031.86
7.1.40.0350.00631.87
7.1.30.0380.00731.84
7.1.20.0460.01131.86
7.1.10.0170.01613.77
7.1.00.0140.01113.95

preferences:
51.04 ms | 400 KiB | 5 Q