3v4l.org

run code in 300+ PHP versions simultaneously
<?php function prune_leaves($array) { foreach($array as $k => $v) { if ($v === null) unset($array[$k]); if (is_array($v)) prune_leaves($v); } return $array; } $test1 = ['a' => 123, 'b' => ['c' => null]]; var_dump(prune_leaves($test1));

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)
8.3.60.0120.00918.31
8.3.50.0100.01221.99
8.3.40.0190.00318.63
8.3.30.0040.01118.96
8.3.20.0040.00420.34
8.3.10.0050.00323.52
8.3.00.0080.00018.95
8.2.180.0110.00716.63
8.2.170.0040.01122.96
8.2.160.0070.00722.20
8.2.150.0040.00424.18
8.2.140.0030.00524.66
8.2.130.0080.00026.16
8.2.120.0000.00820.87
8.2.110.0030.00619.21
8.2.100.0000.01117.72
8.2.90.0080.00017.86
8.2.80.0020.00519.39
8.2.70.0080.00017.93
8.2.60.0030.00717.93
8.2.50.0030.00618.10
8.2.40.0000.00920.65
8.2.30.0040.00418.12
8.2.20.0000.00817.79
8.2.10.0040.00417.98
8.2.00.0040.00417.68
8.1.280.0160.00025.92
8.1.270.0090.00018.88
8.1.260.0060.00926.35
8.1.250.0050.00328.09
8.1.240.0080.00323.67
8.1.230.0080.00620.89
8.1.220.0040.00417.74
8.1.210.0040.00418.77
8.1.200.0030.00517.22
8.1.190.0000.00817.22
8.1.180.0040.00418.10
8.1.170.0040.00418.37
8.1.160.0050.00222.13
8.1.150.0000.00718.79
8.1.140.0040.00417.36
8.1.130.0030.00317.83
8.1.120.0080.00017.48
8.1.110.0080.00017.49
8.1.100.0000.00717.41
8.1.90.0080.00017.47
8.1.80.0070.00017.37
8.1.70.0000.00717.47
8.1.60.0060.00317.47
8.1.50.0080.00017.56
8.1.40.0000.00817.52
8.1.30.0030.00517.62
8.1.20.0040.00417.60
8.1.10.0070.00017.37
8.1.00.0000.00817.42
8.0.300.0040.00420.02
8.0.290.0030.00516.75
8.0.280.0000.00718.43
8.0.270.0040.00417.30
8.0.260.0070.00017.25
8.0.250.0040.00416.84
8.0.240.0050.00216.91
8.0.230.0030.00316.83
8.0.220.0070.00016.87
8.0.210.0070.00016.77
8.0.200.0040.00416.98
8.0.190.0000.00716.94
8.0.180.0070.00016.91
8.0.170.0040.00416.89
8.0.160.0030.00316.85
8.0.150.0000.00716.70
8.0.140.0000.00816.90
8.0.130.0030.00313.34
8.0.120.0040.00416.84
8.0.110.0000.00716.86
8.0.100.0000.00716.86
8.0.90.0030.00516.71
8.0.80.0060.01016.83
8.0.70.0000.00716.75
8.0.60.0070.00016.66
8.0.50.0050.00316.75
8.0.30.0100.01416.97
8.0.20.0090.01017.40
8.0.10.0000.00817.04
8.0.00.0060.01216.77
7.4.330.0050.00015.14
7.4.320.0000.00716.50
7.4.300.0000.00616.47
7.4.290.0000.00716.64
7.4.280.0000.00716.48
7.4.270.0060.00016.64
7.4.260.0060.00316.49
7.4.250.0070.00016.38
7.4.240.0020.00516.51
7.4.230.0030.00316.66
7.4.220.0100.01616.59
7.4.210.0030.01116.44
7.4.200.0090.00016.40
7.4.160.0160.00616.39
7.4.150.0150.00917.40
7.4.140.0080.01217.86
7.4.130.0130.00316.57
7.4.120.0120.00516.39
7.4.110.0070.01016.64
7.4.100.0110.00916.41
7.4.90.0070.01016.35
7.4.80.0090.00919.39
7.4.70.0130.00616.42
7.4.60.0070.01116.56
7.4.50.0000.00516.56
7.4.40.0060.01016.41
7.4.30.0140.00316.29
7.4.00.0060.00914.73
7.3.330.0000.00513.37
7.3.320.0000.00713.37
7.3.310.0000.00716.46
7.3.300.0000.00716.23
7.3.290.0070.00816.33
7.3.280.0120.00616.37
7.3.270.0170.00717.40
7.3.260.0120.00616.65
7.3.250.0080.00916.50
7.3.240.0110.00516.61
7.3.230.0110.00516.55
7.3.210.0060.01216.60
7.3.200.0090.00619.39
7.3.190.0080.00816.38
7.3.180.0090.00616.36
7.3.170.0130.00916.47
7.3.160.0090.00616.45
7.2.330.0060.01216.60
7.2.320.0070.01016.55
7.2.310.0120.00516.61
7.2.300.0000.01616.77
7.2.290.0100.00716.49
7.2.60.0120.00316.93
7.2.00.0040.01119.48
7.1.200.0120.00315.59
7.1.100.0060.00618.23
7.1.70.0000.00917.07
7.1.60.0100.01419.46
7.1.50.0170.01734.84
7.1.00.0030.07322.31
7.0.200.0000.00716.79
7.0.140.0030.04022.11
7.0.60.0100.06319.92
7.0.50.0100.07717.86
7.0.40.0070.08320.22
7.0.30.0370.07320.34
7.0.20.0100.04720.22
7.0.10.0100.08720.25
7.0.00.0000.09320.25
5.6.280.0070.07021.07
5.6.210.0130.06320.65
5.6.200.0070.05318.14
5.6.190.0030.05020.50
5.6.180.0300.06320.60
5.6.170.0200.05020.71
5.6.160.0070.05020.46
5.6.150.0030.04018.18
5.6.140.0070.06018.14
5.6.130.0170.07018.15
5.6.120.0070.07721.02
5.6.110.0000.09320.99
5.6.100.0030.09021.01
5.6.90.0070.04020.97
5.6.80.0070.06320.42
5.5.350.4270.04320.38
5.5.340.0100.07317.95
5.5.330.0000.04720.19
5.5.320.0200.04320.36
5.5.310.0170.04020.27
5.5.300.0130.07317.99
5.5.290.0030.04317.91
5.5.280.0100.06020.87
5.5.270.0170.07320.65
5.5.260.0070.08020.64
5.5.250.0030.04720.69
5.5.240.0000.08020.17
5.4.450.0900.07019.61
5.4.440.0830.06019.23
5.4.430.0630.05319.66
5.4.420.0770.05319.21
5.4.410.0900.04719.32
5.4.400.0570.05319.22
5.4.390.0270.05018.52
5.4.380.0230.05718.64
5.4.370.0170.06018.72
5.4.360.0270.04718.78
5.4.350.0170.06018.62
5.4.340.0330.04018.84
5.4.320.0230.05318.72
5.4.310.0200.05718.75
5.4.300.0270.04718.59
5.4.290.0270.05718.63
5.4.280.0170.06318.56
5.4.270.0170.06018.60
5.4.260.0200.06018.73
5.4.250.0300.05318.58
5.4.240.0170.06718.84
5.4.230.0130.06318.80
5.4.220.0230.05718.84
5.4.210.0270.06318.53
5.4.200.0070.07016.69
5.4.190.0330.05318.55
5.4.180.0400.04318.47
5.4.170.0230.08018.72
5.4.160.0230.07718.73
5.4.150.0270.07018.48
5.4.140.0200.07716.32
5.4.130.0270.05016.32
5.4.120.0370.05716.46
5.4.110.0170.05316.33
5.4.100.0270.04716.28
5.4.90.0130.05716.45
5.4.80.0170.05716.20
5.4.70.0200.05716.39
5.4.60.0370.04016.17
5.4.50.0170.05716.29
5.4.40.0330.05316.42
5.4.30.0200.05716.16
5.4.20.0130.06316.18
5.4.10.0230.04716.16
5.4.00.0300.04715.71
5.3.290.0230.05314.65
5.3.280.0230.05014.65
5.3.270.0270.05014.75
5.3.260.0200.05714.83
5.3.250.0230.05014.60
5.3.240.0200.05314.63
5.3.230.0170.06014.64
5.3.220.0270.05314.67
5.3.210.0430.05714.70
5.3.200.0130.05714.67
5.3.190.0230.05014.66
5.3.180.0230.06014.70
5.3.170.0330.04014.58
5.3.160.0200.05014.67
5.3.150.0270.04714.74
5.3.140.0230.04714.66
5.3.130.0170.05714.73
5.3.120.0200.05314.60
5.3.110.0270.04714.57
5.3.100.0230.05714.07
5.3.90.0230.05314.18
5.3.80.0200.05014.13
5.3.70.0200.05314.17
5.3.60.0300.05014.05
5.3.50.0270.04314.16
5.3.40.0170.05314.00
5.3.30.0270.05714.00
5.3.20.0100.06313.86
5.3.10.0200.06013.79
5.3.00.0200.04713.84
5.2.170.0200.03711.36
5.2.160.0170.04011.12
5.2.150.0200.04011.36
5.2.140.0100.04711.23
5.2.130.0170.04011.20
5.2.120.0130.04311.14
5.2.110.0070.05011.21
5.2.100.0200.03711.21
5.2.90.0170.04311.32
5.2.80.0130.04311.30
5.2.70.0100.04711.19
5.2.60.0170.04711.15
5.2.50.0100.05311.00
5.2.40.0230.03011.11
5.2.30.0230.03311.00
5.2.20.0070.04711.06
5.2.10.0170.03710.96
5.2.00.0170.03710.70
5.1.60.0030.04310.07
5.1.50.0130.03310.12
5.1.40.0130.03310.10
5.1.30.0170.03310.52
5.1.20.0130.03710.57
5.1.10.0070.04310.07
5.1.00.0070.04010.07
5.0.50.0100.0278.59
5.0.40.0200.0178.45
5.0.30.0030.0508.22
5.0.20.0070.0308.23
5.0.10.0100.0278.35
5.0.00.0100.0408.18
4.4.90.0070.0275.90
4.4.80.0100.0205.96
4.4.70.0070.0235.91
4.4.60.0100.0175.89
4.4.50.0100.0206.02
4.4.40.0100.0375.96
4.4.30.0100.0175.96
4.4.20.0070.0306.03
4.4.10.0000.0305.98
4.4.00.0100.0336.00
4.3.110.0000.0305.82
4.3.100.0070.0235.87
4.3.90.0100.0175.79
4.3.80.0100.0405.88
4.3.70.0030.0275.86
4.3.60.0070.0205.88
4.3.50.0100.0275.83
4.3.40.0070.0435.81
4.3.30.0070.0204.85
4.3.20.0030.0234.85
4.3.10.0030.0234.85
4.3.00.0100.0237.98

preferences:
49.52 ms | 401 KiB | 5 Q