3v4l.org

run code in 300+ PHP versions simultaneously
<?php function prune_leaves($array) { foreach($array as $k => $v) { var_dump($v, NULL, $v === NULL); if ($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)
8.3.60.0070.00718.68
8.3.50.0150.00322.11
8.3.40.0180.00318.80
8.3.30.0090.00619.09
8.3.20.0040.00420.15
8.3.10.0070.00023.61
8.3.00.0050.00319.26
8.2.180.0110.00616.50
8.2.170.0150.00022.96
8.2.160.0090.00622.11
8.2.150.0050.00324.18
8.2.140.0040.00424.66
8.2.130.0080.00026.16
8.2.120.0030.00621.00
8.2.110.0090.00022.29
8.2.100.0070.00417.84
8.2.90.0030.00519.32
8.2.80.0080.00017.97
8.2.70.0040.00417.63
8.2.60.0000.00817.93
8.2.50.0040.00418.07
8.2.40.0040.00418.34
8.2.30.0030.00518.05
8.2.20.0000.00717.75
8.2.10.0000.00718.14
8.2.00.0040.00417.73
8.1.280.0120.00325.92
8.1.270.0080.00018.87
8.1.260.0040.00426.35
8.1.250.0000.00728.09
8.1.240.0060.00323.86
8.1.230.0090.00318.95
8.1.220.0030.00517.78
8.1.210.0040.00418.77
8.1.200.0060.00317.23
8.1.190.0040.00417.22
8.1.180.0090.00018.10
8.1.170.0000.00818.58
8.1.160.0040.00421.94
8.1.150.0040.00418.82
8.1.140.0000.00717.37
8.1.130.0030.00317.79
8.1.120.0000.00717.36
8.1.110.0000.00817.36
8.1.100.0000.00717.47
8.1.90.0000.00717.45
8.1.80.0000.00717.47
8.1.70.0030.00317.48
8.1.60.0090.00017.48
8.1.50.0040.00417.50
8.1.40.0040.00417.43
8.1.30.0040.00417.70
8.1.20.0080.00017.64
8.1.10.0080.00017.47
8.1.00.0040.00417.27
8.0.300.0070.00018.77
8.0.290.0040.00416.58
8.0.280.0000.00718.33
8.0.270.0000.00717.25
8.0.260.0030.00317.31
8.0.250.0000.00817.00
8.0.240.0000.00816.83
8.0.230.0000.00717.01
8.0.220.0000.00816.81
8.0.210.0050.00316.88
8.0.200.0070.00017.02
8.0.190.0040.00416.86
8.0.180.0000.00816.87
8.0.170.0040.00416.80
8.0.160.0070.00016.91
8.0.150.0030.00416.89
8.0.140.0070.00016.77
8.0.130.0030.00313.37
8.0.120.0040.00416.90
8.0.110.0040.00416.91
8.0.100.0040.00416.80
8.0.90.0030.00316.93
8.0.80.0070.01016.79
8.0.70.0070.00016.78
8.0.60.0040.00416.78
8.0.50.0070.00016.75
8.0.30.0060.01817.12
8.0.20.0140.00617.40
8.0.10.0040.00417.04
8.0.00.0130.00516.66
7.4.330.0030.00315.08
7.4.320.0030.00316.53
7.4.300.0070.00016.50
7.4.290.0000.00716.61
7.4.280.0000.00716.59
7.4.270.0030.00316.60
7.4.260.0000.00716.40
7.4.250.0040.00416.47
7.4.240.0040.00416.55
7.4.230.0030.00316.71
7.4.220.0150.00416.61
7.4.210.0080.00516.70
7.4.200.0040.00416.56
7.4.160.0090.00616.47
7.4.150.0150.00617.40
7.4.140.0070.01217.86
7.4.130.0150.00216.56
7.4.120.0090.01016.68
7.4.110.0090.00916.34
7.4.100.0090.01216.63
7.4.90.0100.01016.33
7.4.80.0100.01419.39
7.4.70.0090.01016.54
7.4.60.0080.01116.68
7.4.50.0000.00416.40
7.4.40.0080.00816.59
7.4.30.0150.00616.65
7.4.00.0060.00615.18
7.3.330.0000.00613.24
7.3.320.0000.00813.38
7.3.310.0040.00216.30
7.3.300.0000.00716.25
7.3.290.0080.00816.36
7.3.280.0080.00816.34
7.3.270.0140.01317.40
7.3.260.0080.00916.34
7.3.250.0140.00616.40
7.3.240.0080.00816.35
7.3.230.0130.00316.39
7.3.210.0090.00916.57
7.3.200.0090.00619.39
7.3.190.0050.01116.66
7.3.180.0080.00816.45
7.3.170.0120.00616.54
7.3.160.0110.00516.67
7.3.120.0030.01015.09
7.3.110.0090.00315.06
7.3.100.0130.00314.80
7.3.90.0080.00414.76
7.3.80.0040.00715.16
7.3.70.0070.00414.69
7.3.60.0060.00314.96
7.3.50.0040.00815.02
7.3.40.0080.00414.66
7.3.30.0000.00914.79
7.3.20.0070.00716.64
7.3.10.0080.00716.63
7.3.00.0050.00516.59
7.2.330.0090.00916.61
7.2.320.0100.00716.40
7.2.310.0130.00616.65
7.2.300.0070.01016.71
7.2.290.0080.00816.62
7.2.240.0060.01014.80
7.2.230.0100.00315.20
7.2.220.0000.01715.12
7.2.210.0070.00715.09
7.2.200.0060.00915.11
7.2.190.0070.00715.01
7.2.180.0150.00015.08
7.2.170.0130.00015.02
7.2.160.0030.01314.99
7.2.150.0000.01416.82
7.2.140.0060.00916.68
7.2.130.0030.01016.79
7.2.120.0050.00716.85
7.2.110.0000.01416.96
7.2.100.0060.00616.94
7.2.90.0050.01016.86
7.2.80.0070.00716.86
7.2.70.0060.00816.67
7.2.60.0040.00916.76
7.2.50.0040.00917.00
7.2.40.0060.00916.86
7.2.30.0050.00716.92
7.2.20.0070.00716.79
7.2.10.0050.00816.87
7.2.00.0010.01217.61
7.1.330.0040.01116.09
7.1.320.0000.01715.96
7.1.310.0060.00315.74
7.1.300.0030.01015.81
7.1.290.0000.01015.88
7.1.280.0000.01215.77
7.1.270.0070.00715.61
7.1.260.0070.01015.76
7.1.250.0060.00615.65
7.1.200.0030.00315.98
7.1.100.0060.00918.16
7.1.70.0000.00716.93
7.1.60.0060.01019.46
7.1.50.0290.00434.89
7.1.00.0030.07722.35
7.0.200.0000.00716.90
7.0.140.0030.06021.93
7.0.60.0070.04319.92
7.0.50.0070.07717.89
7.0.40.0100.06320.20
7.0.30.0370.03020.12
7.0.20.0130.05020.08
7.0.10.0100.08020.16
7.0.00.0100.08020.30
5.6.210.0070.08720.61
5.6.200.0000.04318.20
5.6.190.0000.05020.77
5.6.180.0300.03720.34
5.6.170.0200.04020.62
5.6.160.0030.09020.61
5.6.150.0030.04018.19
5.6.140.0100.08018.18
5.6.130.0000.04718.25
5.6.120.0070.06721.14
5.6.110.0100.08321.09
5.6.100.0070.07021.12
5.6.90.0070.06321.11
5.6.80.0100.06720.43
5.5.350.4230.05020.45
5.5.340.0030.04317.98
5.5.330.0170.03720.35
5.5.320.0230.08020.29
5.5.310.0130.04720.34
5.5.300.0100.05017.98
5.5.290.0070.04317.95
5.5.280.0030.04720.73
5.5.270.0070.06720.65
5.5.260.0070.08720.96
5.5.250.0200.06720.70
5.5.240.0070.05720.07
5.4.450.0870.05719.44
5.4.440.0730.06319.43
5.4.430.0600.05719.28
5.4.420.0630.06019.66
5.4.410.0100.05019.19
5.4.400.1000.05718.97
5.4.390.0900.06018.75
5.4.380.0930.05318.72
5.4.370.1270.06718.70
5.4.360.1300.07018.76
5.4.350.1330.06718.63
5.4.340.1270.07318.50
5.4.320.1230.07718.55
5.4.310.1400.06018.63
5.4.300.1200.04318.84
5.4.290.1070.05018.74
5.4.280.1030.06018.72
5.4.270.1230.07018.50
5.4.260.1370.06318.58
5.4.250.0970.04318.58
5.4.240.0830.06718.75
5.4.230.1070.05018.68
5.4.220.1100.06318.83
5.4.210.1030.06318.61
5.4.200.1070.05716.64
5.4.190.1030.05018.68
5.4.180.1070.05018.57
5.4.170.1230.07018.88
5.4.160.0970.05318.48
5.4.150.0870.07018.68
5.4.140.1100.06016.23
5.4.130.0830.05016.19
5.4.120.0830.05716.27
5.4.110.0800.05716.28
5.4.100.1100.05316.33
5.4.90.0770.06016.41
5.4.80.0970.06316.24
5.4.70.0870.05316.27
5.4.60.0830.05316.25
5.4.50.1070.03316.28
5.4.40.1170.06716.21
5.4.30.0930.04316.23
5.4.20.0900.05316.30
5.4.10.1000.05316.39
5.4.00.1100.05015.62
5.3.290.0970.05014.64
5.3.280.0900.05314.65
5.3.270.1030.06714.61
5.3.260.0830.05714.70
5.3.250.0970.06714.82
5.3.240.0900.05314.71
5.3.230.1030.05314.62
5.3.220.1000.06014.55
5.3.210.0900.05014.60
5.3.200.0870.05014.67
5.3.190.0930.05714.55
5.3.180.0830.05714.70
5.3.170.0930.07014.58
5.3.160.1000.07014.58
5.3.150.1030.05014.55
5.3.140.0970.05014.60
5.3.130.0870.05714.58
5.3.120.1000.07014.67
5.3.110.0870.05714.67
5.3.100.0800.05014.08
5.3.90.0770.05714.16
5.3.80.1000.04314.14
5.3.70.0800.05714.22
5.3.60.0770.05314.17
5.3.50.0900.05313.99
5.3.40.0830.05713.93
5.3.30.0930.05013.89
5.3.20.0900.04713.89
5.3.10.0800.06313.73
5.3.00.0830.05313.85
5.2.170.0830.04711.14
5.2.160.0800.04711.34
5.2.150.0870.04011.27
5.2.140.0800.03311.16
5.2.130.0870.04311.20
5.2.120.0930.03711.13
5.2.110.0900.03311.13
5.2.100.0900.03311.31
5.2.90.0700.04011.18
5.2.80.0700.04311.13
5.2.70.0800.05711.13
5.2.60.0830.04011.09
5.2.50.0900.03711.00
5.2.40.0630.03311.09
5.2.30.0600.04011.08
5.2.20.0530.04311.00
5.2.10.0870.02710.89
5.2.00.0700.05010.77
5.1.60.0530.04310.09
5.1.50.0530.04010.11
5.1.40.0630.03310.20
5.1.30.0600.03710.44
5.1.20.0530.04010.55
5.1.10.0530.03710.07
5.1.00.0600.03310.25
5.0.50.0270.0308.66
5.0.40.0300.0278.60
5.0.30.0300.0508.30
5.0.20.0330.0308.24
5.0.10.0370.0208.29
5.0.00.0430.0478.16
4.4.90.0230.0275.90
4.4.80.0330.0235.91
4.4.70.0300.0235.89
4.4.60.0270.0235.87
4.4.50.0470.0236.02
4.4.40.0330.0336.01
4.4.30.0370.0135.92
4.4.20.0270.0235.94
4.4.10.0330.0205.97
4.4.00.0370.0375.92
4.3.110.0370.0275.97
4.3.100.0370.0335.84
4.3.90.0230.0275.79
4.3.80.0330.0375.80
4.3.70.0400.0175.82
4.3.60.0470.0205.82
4.3.50.0330.0235.81
4.3.40.0500.0375.85
4.3.30.0230.0274.85
4.3.20.0270.0304.85
4.3.10.0200.0204.85
4.3.00.0230.0237.98

preferences:
47.7 ms | 401 KiB | 5 Q