3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = [0,1,2,3,4,[10,20,30]]; $nu_array = null; $callback = function ( $item ) use(&$callback, &$nu_array) { if (!is_array($item)) { $nu_array[] = $item; } else if ( is_array( $item ) ) { foreach( array_values($item) as $v) { if ( !(is_array($v))) { $nu_array[] = $v; } else { $callback( $v ); continue; } } } }; array_walk($a, $callback); print_r($nu_array); $b = []; array_walk_recursive($a, function ( $item ) use(&$b ) { $b[] = $item; } ); print_r($b);

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)
8.3.60.0070.00716.61
8.3.50.0140.00421.97
8.3.40.0090.00618.82
8.3.30.0090.00618.63
8.3.20.0040.00420.20
8.3.10.0040.00423.48
8.3.00.0030.00622.36
8.2.180.0100.01025.92
8.2.170.0150.00018.94
8.2.160.0000.01322.96
8.2.150.0060.00324.18
8.2.140.0000.00824.66
8.2.130.0120.00326.16
8.2.120.0030.00617.91
8.2.110.0000.01021.06
8.2.100.0030.00917.66
8.2.90.0060.00319.25
8.2.80.0000.00817.97
8.2.70.0050.00317.63
8.2.60.0040.00418.05
8.2.50.0080.00018.10
8.2.40.0050.00520.42
8.2.30.0040.00419.39
8.2.20.0000.00717.76
8.2.10.0030.00518.23
8.2.00.0040.00417.89
8.1.280.0140.01025.92
8.1.270.0040.00423.98
8.1.260.0070.00026.35
8.1.250.0000.00828.09
8.1.240.0000.00921.36
8.1.230.0040.00817.89
8.1.220.0030.00517.74
8.1.210.0060.00318.77
8.1.200.0030.00617.35
8.1.190.0040.00417.35
8.1.180.0060.00318.10
8.1.170.0000.00918.61
8.1.160.0020.00522.16
8.1.150.0000.00818.82
8.1.140.0080.00019.59
8.1.130.0070.00017.73
8.1.120.0020.00617.38
8.1.110.0040.00417.32
8.1.100.0040.00417.44
8.1.90.0050.00217.45
8.1.80.0070.00017.49
8.1.70.0020.00517.51
8.1.60.0040.00417.65
8.1.50.0060.00317.56
8.1.40.0080.00317.55
8.1.30.0060.00317.55
8.1.20.0000.00717.73
8.1.10.0000.00817.53
8.1.00.0070.00017.46
8.0.300.0040.00418.77
8.0.290.0070.00016.63
8.0.280.0020.00518.44
8.0.270.0000.00717.26
8.0.260.0030.00317.30
8.0.250.0070.00016.93
8.0.240.0030.00316.98
8.0.230.0060.00316.87
8.0.220.0040.00416.98
8.0.210.0040.00416.97
8.0.200.0000.00716.98
8.0.190.0000.00816.88
8.0.180.0030.00516.84
8.0.170.0040.00416.90
8.0.160.0000.00816.87
8.0.150.0030.00316.88
8.0.140.0000.00816.70
8.0.130.0000.00613.32
8.0.120.0000.00816.86
8.0.110.0040.00416.79
8.0.100.0000.00716.79
8.0.90.0050.00316.96
8.0.80.0120.00316.95
8.0.70.0030.00616.92
8.0.60.0000.00716.76
8.0.50.0000.00816.68
8.0.30.0100.01117.18
8.0.20.0100.00817.40
8.0.10.0030.00317.04
8.0.00.0110.00716.62
7.4.330.0000.00616.77
7.4.320.0040.00416.50
7.4.300.0050.00216.59
7.4.290.0080.00016.40
7.4.280.0060.00316.60
7.4.270.0070.00016.60
7.4.260.0030.00316.62
7.4.250.0000.00716.52
7.4.240.0040.00416.39
7.4.230.0000.00716.51
7.4.220.0160.00616.64
7.4.210.0070.01116.38
7.4.200.0070.00016.55
7.4.160.0110.00516.54
7.4.150.0120.01217.40
7.4.140.0130.00717.86
7.4.130.0100.00616.53
7.4.120.0110.00816.63
7.4.110.0130.00316.41
7.4.100.0060.01516.48
7.4.90.0160.00616.32
7.4.80.0070.01019.39
7.4.70.0100.00716.36
7.4.60.0170.00316.50
7.4.50.0070.00716.19
7.4.40.0100.01316.45
7.4.30.0140.00316.59
7.4.00.0050.01314.97
7.3.330.0050.00013.26
7.3.320.0000.00613.23
7.3.310.0030.00316.36
7.3.300.0070.00016.32
7.3.290.0070.00916.25
7.3.280.0080.00716.24
7.3.270.0090.00917.40
7.3.260.0060.01116.57
7.3.250.0080.01016.49
7.3.240.0120.00916.25
7.3.230.0100.00616.44
7.3.210.0070.01116.41
7.3.200.0070.01016.27
7.3.190.0150.00416.39
7.3.180.0120.00616.49
7.3.170.0110.00516.29
7.3.160.0070.01116.20
7.3.120.0040.01514.77
7.3.110.0110.00714.83
7.3.100.0090.00314.57
7.3.90.0070.00714.49
7.3.80.0070.00714.59
7.3.70.0000.01714.88
7.3.60.0070.00714.88
7.3.50.0100.00614.62
7.3.40.0000.01314.74
7.3.30.0030.01214.70
7.3.20.0100.00616.69
7.3.10.0030.01216.71
7.3.00.0040.00816.63
7.2.330.0120.00916.48
7.2.320.0070.01016.54
7.2.310.0140.00516.72
7.2.300.0130.00316.83
7.2.290.0170.00016.43
7.2.250.0070.01015.02
7.2.240.0140.00715.12
7.2.230.0070.01115.23
7.2.220.0140.00014.73
7.2.210.0030.01214.91
7.2.200.0060.00815.00
7.2.190.0060.00915.16
7.2.180.0080.00615.07
7.2.170.0080.00814.89
7.2.60.0030.01216.70
7.1.330.0040.01215.89
7.1.320.0130.00315.83
7.1.310.0030.01015.99
7.1.300.0030.00715.56
7.1.290.0000.01315.98
7.1.280.0100.00315.81
7.1.270.0040.00715.48
7.1.260.0090.00015.61
7.1.200.0130.00015.88
7.1.70.0000.00817.35
7.1.60.0000.01317.33
7.1.00.0000.08022.42
7.0.200.0090.00314.73
7.0.120.0030.06021.99
7.0.110.0070.07021.96
7.0.100.0070.03722.02
7.0.90.0030.08722.01
7.0.80.0000.08022.15
7.0.70.0030.08322.04
7.0.60.0070.04721.68
7.0.50.0170.07022.06
7.0.40.0070.07720.11
7.0.30.0000.04319.99
7.0.20.0030.07020.15
7.0.10.0070.08319.98
7.0.00.0030.08319.97
5.6.270.0070.07021.04
5.6.260.0100.05720.81
5.6.250.0130.04020.92
5.6.240.0030.06721.04
5.6.230.0100.04021.08
5.6.220.0070.04720.86
5.6.210.0100.06320.88
5.6.200.0130.07320.88
5.6.190.0000.05320.99
5.6.180.0070.03320.76
5.6.170.0070.07020.76
5.6.160.0100.07321.02
5.6.150.0070.07320.87
5.6.140.0070.08320.95
5.6.130.0070.08321.02
5.6.120.0000.09020.89
5.6.110.0030.08321.03
5.6.100.0030.07720.75
5.6.90.0000.06020.74
5.6.80.0070.06720.38
5.6.70.0070.07720.26
5.6.60.0030.07020.36
5.6.50.0000.06320.09
5.6.40.0000.07320.24
5.6.30.0000.05320.35
5.6.20.0030.07720.32
5.6.10.0030.05720.33
5.6.00.0130.07020.14
5.5.380.0030.03717.72
5.5.370.0000.06717.69
5.5.360.0000.04717.58
5.5.350.0030.05017.59
5.5.340.0070.07317.83
5.5.330.0070.04318.10
5.5.320.0000.04017.85
5.5.310.0070.04017.83
5.5.300.0030.07718.25
5.5.290.0030.04718.05
5.5.280.0030.08317.93
5.5.270.0030.08017.92
5.5.260.0070.07718.13
5.5.250.0030.08017.75
5.5.240.0070.07017.53
5.5.230.0000.07717.34
5.5.220.0030.08017.48
5.5.210.0000.05717.48
5.5.200.0070.06317.45
5.5.190.0000.04717.45
5.5.180.0030.04017.18
5.5.160.0070.06317.29
5.5.150.0070.05717.40
5.5.140.0070.05017.57
5.5.130.0000.07017.40
5.5.120.0130.06317.45
5.5.110.0030.06017.17
5.5.100.0070.07017.35
5.5.90.0000.06017.50
5.5.80.0000.06017.47
5.5.70.0030.03717.03
5.5.60.0000.05017.29
5.5.50.0070.02717.34
5.5.40.0000.05717.47
5.5.30.0030.04317.31
5.5.20.0070.03317.30
5.5.10.0030.03717.47
5.5.00.0170.02017.31
5.4.450.0000.07719.47
5.4.440.0030.07719.16
5.4.430.0030.08319.42
5.4.420.0070.07719.42
5.4.410.0000.09019.14
5.4.400.0030.03319.23
5.4.390.0070.07718.92
5.4.380.0100.03019.02
5.4.370.0000.04319.10
5.4.360.0030.06719.25
5.4.350.0030.07018.92
5.4.340.0130.06718.89
5.4.320.0030.05718.92
5.4.310.0030.07319.09
5.4.300.0000.07018.93
5.4.290.0070.07019.14
5.4.280.0030.08019.06
5.4.270.0070.07319.23
5.4.260.0030.07019.25
5.4.250.0000.04319.10
5.4.240.0000.04718.91
5.4.230.0000.03718.91
5.4.220.0000.04018.91
5.4.210.0000.03319.01
5.4.200.0000.03718.94
5.4.190.0000.03719.01
5.4.180.0030.03318.92
5.4.170.0130.05718.92
5.4.160.0000.03719.20
5.4.150.0000.05018.88
5.4.140.0070.03016.41
5.4.130.0030.07016.32
5.4.120.0030.03316.52
5.4.110.0000.07016.53
5.4.100.0030.03016.40
5.4.90.0000.06316.34
5.4.80.0030.07316.38
5.4.70.0000.03716.46
5.4.60.0000.03716.40
5.4.50.0000.03716.52
5.4.40.0030.07016.53
5.4.30.0030.06716.39
5.4.20.0000.05316.47
5.4.10.0100.07016.50
5.4.00.0030.03715.67
5.3.290.0000.07714.46
5.3.280.0000.03714.62
5.3.270.0000.04714.49
5.3.260.0000.05314.68
5.3.250.0000.04314.63
5.3.240.0070.05714.64
5.3.230.0000.03714.39
5.3.220.0000.07314.45
5.3.210.0000.05014.39
5.3.200.0030.05714.66
5.3.190.0000.03714.66
5.3.180.0070.05014.49
5.3.170.0000.05714.49
5.3.160.0000.04014.45
5.3.150.0000.03714.66
5.3.140.0030.07014.45
5.3.130.0000.04014.38
5.3.120.0070.05014.41
5.3.110.0030.04714.40
5.3.100.0070.05013.83
5.3.90.0030.03713.95
5.3.80.0000.04313.94
5.3.70.0000.04013.88
5.3.60.0000.07013.94
5.3.50.0070.03013.87
5.3.40.0000.06713.96
5.3.30.0030.06013.84
5.3.20.0030.07013.71
5.3.10.0000.03713.66
5.3.00.0000.03713.56
5.2.170.0000.04311.05
5.2.160.0000.06011.14
5.2.150.0030.04711.30
5.2.140.0030.05311.04
5.2.130.0030.05311.09
5.2.120.0030.05011.05
5.2.110.0000.06011.01
5.2.100.0000.03311.02
5.2.90.0030.05311.01
5.2.80.0030.02311.02
5.2.70.0030.06311.09
5.2.60.0030.05711.12
5.2.50.0000.05710.96
5.2.40.0000.03310.89
5.2.30.0000.06711.13
5.2.20.0000.03710.87
5.2.10.0070.02310.72
5.2.00.0030.04010.61
5.1.60.0030.0439.99
5.1.50.0030.0339.99
5.1.40.0000.0279.99
5.1.30.0000.05010.27
5.1.20.0030.02710.48
5.1.10.0000.03310.00
5.1.00.0030.0509.99
5.0.50.0070.0409.99
5.0.40.0100.0379.99
5.0.30.0000.0539.99
5.0.20.0030.0179.99
5.0.10.0000.0409.99
5.0.00.0030.0679.99
4.4.90.0000.0239.99
4.4.80.0000.0179.99
4.4.70.0030.0209.99
4.4.60.0000.0239.99
4.4.50.0000.0179.99
4.4.40.0030.0439.99
4.4.30.0000.0209.99
4.4.20.0030.0279.99
4.4.10.0000.0239.99
4.4.00.0000.0309.99
4.3.110.0100.0179.99
4.3.100.0030.0139.99
4.3.90.0000.0279.99
4.3.80.0000.0579.99
4.3.70.0030.0279.99
4.3.60.0070.0279.99
4.3.50.0000.0209.99
4.3.40.0000.0479.99
4.3.30.0070.0309.99
4.3.20.0030.0339.99
4.3.10.0000.0339.99
4.3.00.0030.0179.99

preferences:
46.49 ms | 401 KiB | 5 Q