3v4l.org

run code in 300+ PHP versions simultaneously
<?php function flatten(array $list) { $result = array(); array_walk_recursive($list, function($a) use (&$result) { $result[] = $a; }); return $result; } array_flatten([1, 2, 3, [4, 5, [6], 7], 8, 9, [10]]);

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)
8.3.60.0110.01118.43
8.3.50.0160.00618.07
8.3.40.0110.00418.67
8.3.30.0110.00418.62
8.3.20.0040.00420.20
8.3.10.0000.00820.71
8.3.00.0080.00023.66
8.2.180.0100.00716.75
8.2.170.0110.00422.96
8.2.160.0000.01322.16
8.2.150.0080.00024.18
8.2.140.0040.00424.66
8.2.130.0000.00821.03
8.2.120.0070.00026.35
8.2.110.0040.00422.09
8.2.100.0080.00318.04
8.2.90.0030.00519.05
8.2.80.0040.00417.97
8.2.70.0090.00017.38
8.2.60.0030.00517.93
8.2.50.0070.00718.09
8.2.40.0040.00420.44
8.2.30.0000.00719.38
8.2.20.0050.00317.68
8.2.10.0040.00418.00
8.2.00.0070.00017.92
8.1.280.0150.00325.92
8.1.270.0120.00622.09
8.1.260.0030.00628.09
8.1.250.0080.00028.09
8.1.240.0060.00322.52
8.1.230.0070.00417.82
8.1.220.0040.00417.74
8.1.210.0030.00518.77
8.1.200.0060.00317.21
8.1.190.0080.00017.13
8.1.180.0050.00318.10
8.1.170.0080.00018.55
8.1.160.0040.00420.64
8.1.150.0070.00018.81
8.1.140.0030.00519.46
8.1.130.0000.00717.63
8.1.120.0000.00817.27
8.1.110.0000.00717.23
8.1.100.0050.00317.26
8.1.90.0040.00417.36
8.1.80.0000.00817.31
8.1.70.0050.00217.38
8.1.60.0000.00717.38
8.1.50.0030.00617.42
8.1.40.0040.00417.46
8.1.30.0080.00017.59
8.1.20.0000.00817.44
8.1.10.0040.00417.46
8.1.00.0040.00417.48
8.0.300.0000.00818.77
8.0.290.0000.00716.75
8.0.280.0030.00318.39
8.0.270.0070.00017.15
8.0.260.0000.00717.20
8.0.250.0000.00716.94
8.0.240.0000.00716.92
8.0.230.0050.00316.93
8.0.220.0000.00716.76
8.0.210.0070.00016.83
8.0.200.0000.00616.98
8.0.190.0040.00417.00
8.0.180.0040.00416.81
8.0.170.0040.00416.93
8.0.160.0040.00416.83
8.0.150.0040.00416.84
8.0.140.0000.00716.84
8.0.130.0030.00313.28
8.0.120.0000.00716.90
8.0.110.0040.00416.86
8.0.100.0040.00416.82
8.0.90.0080.00016.75
8.0.80.0060.01216.93
8.0.70.0050.00316.91
8.0.60.0030.00316.75
8.0.50.0000.00816.84
8.0.30.0110.00616.96
8.0.20.0080.01117.40
8.0.10.0050.00316.99
8.0.00.0100.00816.69
7.4.330.0000.00516.67
7.4.320.0030.00316.36
7.4.300.0040.00416.55
7.4.290.0030.00316.43
7.4.280.0060.00316.53
7.4.270.0030.00316.50
7.4.260.0070.00016.54
7.4.250.0040.00416.49
7.4.240.0000.00716.39
7.4.230.0030.00316.48
7.4.220.0170.00916.39
7.4.210.0040.01116.44
7.4.200.0070.00016.48
7.4.160.0090.00616.39
7.4.150.0140.00317.40
7.4.140.0080.00817.86
7.4.130.0160.00616.40
7.4.120.0070.01016.40
7.4.110.0110.00516.57
7.4.100.0110.00616.50
7.4.90.0030.01316.63
7.4.80.0140.00319.39
7.4.70.0060.00916.55
7.4.60.0130.00316.26
7.4.50.0040.01116.45
7.4.40.0100.00716.43
7.4.30.0120.01016.52
7.4.00.0090.00715.08
7.3.330.0000.00513.30
7.3.320.0030.00313.17
7.3.310.0030.00316.20
7.3.300.0030.00316.24
7.3.290.0040.00416.23
7.3.280.0100.00816.30
7.3.270.0030.01317.40
7.3.260.0150.00616.57
7.3.250.0080.00816.31
7.3.240.0130.00816.43
7.3.230.0090.00916.50
7.3.210.0060.01216.40
7.3.200.0150.00016.54
7.3.190.0060.01516.44
7.3.180.0100.00616.24
7.3.170.0100.00716.24
7.3.160.0090.00616.26
7.3.120.0060.01215.05
7.3.110.0100.00714.60
7.3.100.0120.00315.02
7.3.90.0090.00615.07
7.3.80.0030.00714.76
7.3.70.0000.01714.94
7.3.60.0030.01214.90
7.3.50.0050.00514.68
7.3.40.0040.00714.55
7.3.30.0150.00014.62
7.3.20.0070.00716.50
7.3.10.0110.00316.54
7.3.00.0040.01116.76
7.2.330.0100.00716.41
7.2.320.0030.01316.70
7.2.310.0100.00716.28
7.2.300.0110.00716.47
7.2.290.0060.01216.35
7.2.250.0030.01614.83
7.2.240.0150.00315.11
7.2.230.0070.00714.87
7.2.220.0030.00614.71
7.2.210.0060.01215.00
7.2.200.0060.01014.61
7.2.190.0080.00514.95
7.2.180.0100.00314.83
7.2.170.0070.01014.77
7.2.60.0070.01016.55
7.2.00.0000.01519.10
7.1.330.0040.01115.55
7.1.320.0060.01015.62
7.1.310.0040.01115.71
7.1.300.0040.00915.41
7.1.290.0110.00415.38
7.1.280.0030.01315.61
7.1.270.0090.00615.55
7.1.260.0070.00715.70
7.1.200.0000.01215.72
7.1.100.0170.00315.71
7.1.70.0030.00617.14
7.1.60.0130.01019.19
7.1.50.0090.01216.86
7.1.00.0100.06722.34
7.0.200.0150.01114.79
7.0.60.0130.02721.60
7.0.50.0030.07317.86
7.0.40.0070.05020.24
7.0.30.0400.08320.23
7.0.20.0330.03320.20
7.0.10.0070.09020.20
7.0.00.0170.03720.23
5.6.280.0030.03021.15
5.6.210.0130.07720.62
5.6.200.0070.07718.18
5.6.190.0130.05020.39
5.6.180.0200.04320.61
5.6.170.0230.04320.47
5.6.160.0170.07320.54
5.6.150.0070.06018.25
5.6.140.0100.07318.16
5.6.130.0100.07718.21
5.6.120.0070.04021.15
5.6.110.0070.08721.15
5.6.100.0030.04721.12
5.6.90.0000.04320.86
5.6.80.0030.06020.38
5.5.350.0330.07020.42
5.5.340.0130.07717.98
5.5.330.0070.08020.27
5.5.320.0270.07320.38
5.5.310.0370.03720.32
5.5.300.0100.07317.95
5.5.290.0070.04017.97
5.5.280.0170.08020.74
5.5.270.0100.08320.83
5.5.260.0030.08720.86
5.5.250.0030.04020.70
5.5.240.0030.07320.28

preferences:
41.99 ms | 400 KiB | 5 Q