3v4l.org

run code in 300+ PHP versions simultaneously
<?php function recursiveArrayReverse($a) { $size = count($a); if ($size < 2) { return $a; } return array_merge( [$a[$size - 1]], recursiveArrayReverse( array_slice($a, 1, -1) ), [$a[0]] ); } $array = [1, 2, 3, 4, 5, 6, 7]; $array = recursiveArrayReverse($array); var_export($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)
8.4.130.0130.00718.79
8.4.120.0040.00423.86
8.4.110.0040.00517.82
8.4.100.0140.00717.82
8.4.90.0120.00918.59
8.4.80.0040.00417.71
8.4.70.0030.00517.64
8.4.60.0050.00520.54
8.4.50.0060.00218.37
8.4.40.0060.00319.30
8.4.30.0060.00318.70
8.4.20.0070.01317.89
8.4.10.0000.00919.48
8.3.250.0110.00619.10
8.3.240.0120.00717.20
8.3.230.0160.00616.50
8.3.220.0100.00816.98
8.3.210.0040.00418.44
8.3.200.0040.00516.43
8.3.190.0110.00817.36
8.3.180.0130.00516.73
8.3.170.0110.00718.78
8.3.160.0000.00820.21
8.3.150.0080.00818.62
8.3.140.0100.00017.18
8.3.130.0040.00418.40
8.3.120.0060.00319.09
8.3.110.0040.00420.94
8.3.100.0030.00624.06
8.3.90.0000.00826.77
8.3.80.0030.00616.50
8.3.70.0140.00718.18
8.3.60.0090.00618.23
8.3.50.0070.00924.49
8.3.40.0150.00018.67
8.3.30.0120.00318.47
8.3.20.0050.00320.69
8.3.10.0070.00023.65
8.3.00.0040.00417.80
8.2.290.0110.00720.41
8.2.280.0100.00818.52
8.2.270.0030.01218.96
8.2.260.0030.00616.65
8.2.250.0120.00416.68
8.2.240.0130.00617.21
8.2.230.0060.00322.58
8.2.220.0000.00937.54
8.2.210.0070.00726.77
8.2.200.0090.00016.50
8.2.190.0030.01416.75
8.2.180.0120.00318.29
8.2.170.0110.00722.96
8.2.160.0100.00721.02
8.2.150.0030.00524.18
8.2.140.0040.00424.66
8.2.130.0000.00726.16
8.2.120.0110.00420.93
8.2.110.0100.00020.46
8.2.100.0080.00317.72
8.2.90.0030.00518.20
8.2.80.0040.00418.09
8.2.70.0040.00419.35
8.2.60.0070.00318.05
8.2.50.0050.00318.07
8.2.40.0060.00318.28
8.2.30.0040.00417.96
8.2.20.0000.00718.01
8.2.10.0050.00219.20
8.2.00.0000.00719.43
8.1.330.0050.00421.75
8.1.320.0090.00916.35
8.1.310.0030.00618.57
8.1.300.0000.00817.90
8.1.290.0110.00018.88
8.1.280.0080.01525.92
8.1.270.0050.00324.66
8.1.260.0040.00426.35
8.1.250.0000.00728.09
8.1.240.0060.00323.72
8.1.230.0100.00320.97
8.1.220.0040.00417.79
8.1.210.0040.00418.77
8.1.200.0050.00317.35
8.1.190.0000.00917.23
8.1.180.0000.00918.10
8.1.170.0030.00618.70
8.1.160.0080.00018.86
8.1.150.0030.00618.80
8.1.140.0040.00418.91
8.1.130.0000.00720.32
8.1.120.0030.00517.37
8.1.110.0040.00317.52
8.1.100.0080.00017.35
8.1.90.0050.00217.39
8.1.80.0040.00317.48
8.1.70.0000.00717.51
8.1.60.0070.00417.50
8.1.50.0040.00417.36
8.1.40.0040.00417.52
8.1.30.0040.00417.71
8.1.20.0040.00417.71
8.1.10.0060.00317.63
8.1.00.0080.00017.38
8.0.300.0040.00419.73
8.0.290.0040.00416.63
8.0.280.0000.00720.15
8.0.270.0080.00018.02
8.0.260.0000.00619.95
8.0.250.0000.00716.96
8.0.240.0060.00316.96
8.0.230.0040.00416.98
8.0.220.0000.00716.91
8.0.210.0040.00416.82
8.0.200.0000.00617.00
8.0.190.0030.00617.00
8.0.180.0030.00516.92
8.0.170.0000.00816.85
8.0.160.0030.00316.74
8.0.150.0080.00016.87
8.0.140.0040.00416.79
8.0.130.0030.00313.31
8.0.120.0070.00016.91
8.0.110.0070.00016.75
8.0.100.0030.00516.80
8.0.90.0060.00316.81
8.0.80.0040.01116.86
8.0.70.0000.00717.02
8.0.60.0040.00416.94
8.0.50.0040.00416.79
8.0.30.0130.00416.99
8.0.20.0100.00817.24
8.0.10.0050.00317.05
8.0.00.0130.00716.92
7.4.330.0020.00216.72
7.4.320.0000.00616.50
7.4.300.0070.00016.41
7.4.290.0000.00816.56
7.4.280.0000.00816.51
7.4.270.0000.00716.58
7.4.260.0000.00613.30
7.4.250.0070.00016.52
7.4.240.0020.00616.54
7.4.230.0040.00416.31
7.4.220.0020.00516.70
7.4.210.0110.00716.57
7.4.200.0080.00016.69
7.4.130.0050.01216.44
7.4.120.0100.00616.50
7.4.110.0070.01416.47
7.4.100.0140.00716.59
7.4.90.0120.00916.61
7.4.80.0140.00419.39
7.4.70.0140.00816.61
7.4.60.0040.01216.50
7.4.50.0040.00816.38
7.4.40.0070.01016.34
7.4.20.0030.01316.36
7.4.10.0040.01216.70
7.4.00.0080.00916.40
7.3.330.0070.00016.27
7.3.320.0000.00613.30
7.3.310.0040.00416.41
7.3.300.0000.00716.39
7.3.290.0080.00916.29
7.3.280.0100.01016.36
7.3.260.0030.01416.42
7.3.240.0110.00516.44
7.3.230.0100.00616.56
7.3.210.0140.00716.38
7.3.200.0180.00016.46
7.3.190.0140.00316.48
7.3.180.0060.00916.39
7.3.170.0030.01316.41
7.3.160.0060.01816.55
7.3.140.0080.00816.43
7.3.130.0100.01316.32
7.3.120.0080.00816.24
7.3.110.0080.00816.32
7.3.100.0130.00916.36
7.3.90.0110.01116.35
7.3.80.0120.00916.47
7.3.70.0140.00616.42
7.3.60.0100.01016.37
7.3.50.0090.00616.42
7.3.40.0130.00916.37
7.3.30.0030.02016.27
7.3.20.0170.00716.60
7.3.10.0060.01216.43
7.3.00.0070.01416.52
7.2.330.0160.00916.67
7.2.320.0100.00716.81
7.2.310.0000.01616.88
7.2.300.0060.01616.46
7.2.290.0100.00616.50
7.2.270.0070.01016.57
7.2.260.0090.00916.73
7.2.250.0000.01616.77
7.2.240.0070.01016.71
7.2.230.0070.01416.35
7.2.220.0080.00816.70
7.2.210.0100.00616.51
7.2.200.0150.00616.70
7.2.190.0060.01616.57
7.2.180.0070.01616.56
7.2.170.0080.01516.56
7.2.160.0100.01316.57
7.2.150.0120.01216.68
7.2.140.0090.00916.64
7.2.130.0090.00916.53
7.2.120.0150.00516.66
7.2.110.0040.01316.61
7.2.100.0050.01616.66
7.2.90.0110.01116.44
7.2.80.0160.00316.57
7.2.70.0120.01516.59
7.2.60.0140.00416.67
7.2.50.0040.01516.57
7.2.40.0060.01216.75
7.2.30.0060.01516.65
7.2.20.0190.00316.61
7.2.10.0140.01016.64
7.2.00.0090.01516.62

preferences:
84.83 ms | 403 KiB | 5 Q