3v4l.org

run code in 300+ PHP versions simultaneously
<?php $simpsons[0] = array("name"=>"Abe","parent"=>-1); $simpsons[1] = array("name"=>"Homer","parent"=>0); // Homer's parent is Abe $simpsons[2] = array("name"=>"Bart","parent"=>1); // Bart's parent is Homer $simpsons[3] = array("name"=>"Lisa","parent"=>1); // Lisa's parent is Homer $simpsons[4] = array("name"=>"Maggie","parent"=>1); // Maggie's parent is Homer function get_children($parent) { global $simpsons; foreach ($simpsons as $index=>$onesimpson) { if ($onesimpson["parent"]==$parent) { echo "$onesimpson[name] is a child of ".$simpsons[$parent]["name"].".<br />\n"; echo $index; get_children($index); echo $index; } } } get_children(0); ?>

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)
8.3.60.0110.01118.27
8.3.50.0070.01021.19
8.3.40.0100.00719.02
8.3.30.0150.00318.71
8.3.20.0150.00018.59
8.3.10.0060.00320.53
8.3.00.0060.00319.50
8.2.180.0070.00716.63
8.2.170.0090.01222.96
8.2.160.0110.00421.87
8.2.150.0080.00024.18
8.2.140.0060.00324.66
8.2.130.0040.00426.16
8.2.120.0040.00419.77
8.2.110.0030.00620.52
8.2.100.0090.00317.91
8.2.90.0030.00619.24
8.2.80.0050.00319.41
8.2.70.0030.00617.50
8.2.60.0040.00417.93
8.2.50.0000.00918.07
8.2.40.0000.00818.28
8.2.30.0040.00419.91
8.2.20.0000.00717.72
8.2.10.0000.00817.70
8.2.00.0080.00017.80
8.1.280.0070.01325.92
8.1.270.0030.00623.99
8.1.260.0040.00426.35
8.1.250.0080.00028.09
8.1.240.0030.00622.40
8.1.230.0070.00421.04
8.1.220.0030.00618.77
8.1.210.0040.00418.97
8.1.200.0000.00917.23
8.1.190.0000.00717.65
8.1.180.0060.00318.10
8.1.170.0040.00418.71
8.1.160.0040.00419.03
8.1.150.0070.00018.57
8.1.140.0040.00417.46
8.1.130.0030.00517.75
8.1.120.0000.00717.48
8.1.110.0070.00017.48
8.1.100.0040.00417.43
8.1.90.0000.00717.47
8.1.80.0000.00717.45
8.1.70.0040.00417.49
8.1.60.0000.00917.63
8.1.50.0080.00017.52
8.1.40.0000.00817.48
8.1.30.0020.00517.66
8.1.20.0030.00517.70
8.1.10.0040.00417.48
8.1.00.0000.00717.41
8.0.300.0000.00719.85
8.0.290.0000.00717.18
8.0.280.0070.00018.36
8.0.270.0000.00717.27
8.0.260.0040.00418.63
8.0.250.0050.00316.99
8.0.240.0070.00016.84
8.0.230.0000.00716.85
8.0.220.0030.00616.98
8.0.210.0000.00816.91
8.0.200.0030.00316.92
8.0.190.0040.00416.87
8.0.180.0040.00416.82
8.0.170.0000.00816.86
8.0.160.0070.00016.97
8.0.150.0060.00316.76
8.0.140.0000.00716.88
8.0.130.0030.00313.30
8.0.120.0040.00416.92
8.0.110.0000.00716.83
8.0.100.0070.00016.90
8.0.90.0000.00716.77
8.0.80.0060.00916.95
8.0.70.0000.00716.74
8.0.60.0000.00716.86
8.0.50.0040.00416.96
8.0.30.0130.00916.99
8.0.20.0100.01017.40
8.0.10.0000.00716.98
8.0.00.0110.01316.75
7.4.330.0020.00213.43
7.4.320.0000.00616.52
7.4.300.0060.00016.42
7.4.290.0040.00416.62
7.4.280.0080.00016.52
7.4.270.0000.00816.66
7.4.260.0000.00513.30
7.4.250.0040.00416.60
7.4.240.0030.00316.67
7.4.230.0040.00416.69
7.4.220.0120.00616.49
7.4.210.0050.01016.54
7.4.200.0040.00416.72
7.4.190.0070.00016.51
7.4.160.0040.01216.48
7.4.150.0120.00617.40
7.4.140.0080.00917.21
7.4.130.0110.00816.48
7.4.120.0100.00616.40
7.4.110.0060.01216.65
7.4.100.0060.01516.25
7.4.90.0150.00316.51
7.4.80.0080.00819.03
7.4.70.0030.01416.64
7.4.60.0090.00616.63
7.4.50.0030.00616.67
7.4.40.0000.01422.27
7.4.30.0130.00316.48
7.4.00.0070.01115.05
7.3.330.0000.00613.24
7.3.320.0050.00013.16
7.3.310.0000.00716.20
7.3.300.0000.00716.29
7.3.290.0100.01016.28
7.3.280.0120.00716.36
7.3.270.0130.00317.40
7.3.260.0150.00618.24
7.3.250.0090.00916.48
7.3.240.0090.00916.58
7.3.230.0070.01016.43
7.3.210.0110.00716.57
7.3.200.0060.01219.39
7.3.190.0080.01116.46
7.3.180.0070.01016.32
7.3.170.0080.00816.57
7.3.160.0070.01016.56
7.3.120.0060.00614.83
7.2.330.0150.00716.84
7.2.320.0090.00916.86
7.2.310.0090.00916.87
7.2.300.0100.01016.87
7.2.290.0030.02016.76
7.2.80.0260.00616.44
7.2.00.0030.01319.18
7.1.200.0000.01315.68
7.1.70.0030.00717.25
7.1.60.0000.01117.29
7.1.50.0070.02135.02
7.1.00.0000.05022.30
7.0.200.0040.00716.79
7.0.140.0100.06022.00
7.0.60.0100.05719.84
7.0.50.0070.03717.89
7.0.40.0000.04317.72
7.0.30.0030.05317.73
7.0.20.0030.04317.72
7.0.10.0070.07717.75
7.0.00.0070.04017.75
5.6.280.0100.06720.91
5.6.210.0170.04320.77
5.6.200.0070.04318.19
5.6.190.0030.04018.19
5.6.180.0030.04018.18
5.6.170.0070.08318.12
5.6.160.0030.06018.17
5.6.150.0030.05318.25
5.6.140.0070.07718.15
5.6.130.0030.08718.15
5.6.120.0070.04018.28
5.6.110.0030.08718.21
5.6.100.0070.08318.24
5.6.90.0170.07018.16
5.6.80.0070.03717.68
5.6.70.0070.03717.52
5.6.60.0030.05317.52
5.6.50.0070.07317.67
5.6.40.0070.03717.54
5.6.30.0030.05317.56
5.6.20.0030.04017.57
5.6.10.0030.08717.47
5.6.00.0100.07717.59
5.5.350.4130.03720.45
5.5.340.0030.04017.95
5.5.330.0000.04318.05
5.5.320.0030.04017.94
5.5.310.0000.05017.98
5.5.300.0070.08018.03
5.5.290.0100.03718.02
5.5.280.0000.05017.95
5.5.270.0000.09018.04
5.5.260.0070.04718.07
5.5.250.0100.08017.79
5.5.240.0030.04017.41
5.5.230.0070.08017.46
5.5.220.0170.06317.39
5.5.210.0100.06317.30
5.5.200.0070.04317.28
5.5.190.0100.04017.37
5.5.180.0000.04317.34
5.5.160.0130.06717.29
5.5.150.0100.06317.44
5.5.140.0030.04317.33
5.5.130.0130.05317.30
5.5.120.0070.08017.30
5.5.110.0070.05717.36
5.5.100.0070.07717.18
5.5.90.0070.06717.17
5.5.80.0100.07717.23
5.5.70.0100.03717.31
5.5.60.0030.05317.16
5.5.50.0130.07017.29
5.5.40.0000.08017.32
5.5.30.0130.07317.21
5.5.20.0070.07317.30
5.5.10.0130.06717.19
5.5.00.0200.03717.26
5.4.450.0100.07319.43
5.4.440.0130.07319.38
5.4.430.0130.03319.36
5.4.420.0000.07719.46
5.4.410.0030.08319.08
5.4.400.0070.03719.13
5.4.390.0070.07019.10
5.4.380.0030.07319.14
5.4.370.0170.03719.03
5.4.360.0070.07019.05
5.4.350.0130.04019.07
5.4.340.0030.07719.12
5.4.320.0070.04719.07
5.4.310.0070.07718.89
5.4.300.0070.05019.14
5.4.290.0100.07719.09
5.4.280.0030.06719.12
5.4.270.0030.08319.27
5.4.260.0030.04719.01
5.4.250.0170.06719.02
5.4.240.0030.04719.12
5.4.230.0030.04019.01
5.4.220.0100.04319.21
5.4.210.0100.03719.04
5.4.200.0100.07319.04
5.4.190.0070.07019.09
5.4.180.0070.07718.97
5.4.170.0070.08019.11
5.4.160.0070.08018.97
5.4.150.0100.04319.07
5.4.140.0130.07016.24
5.4.130.0070.07316.23
5.4.120.0070.07316.54
5.4.110.0130.03716.45
5.4.100.0100.04016.23
5.4.90.0030.07716.41
5.4.80.0070.04016.21
5.4.70.0000.06716.54
5.4.60.0070.04016.40
5.4.50.0000.06316.46
5.4.40.0030.03716.35
5.4.30.0070.07016.55
5.4.20.0000.04016.39
5.4.10.0100.07316.45
5.4.00.0100.06315.84
5.3.290.0070.04314.70
5.3.280.0100.05314.65
5.3.270.0030.08014.65
5.3.260.0070.08014.66
5.3.250.0030.05714.71
5.3.240.0130.04714.59
5.3.230.0030.06014.65
5.3.220.0000.04714.60
5.3.210.0100.07014.42
5.3.200.0100.06714.42
5.3.190.0070.07714.53
5.3.180.0100.07314.64
5.3.170.0130.03314.57
5.3.160.0070.06714.64
5.3.150.0030.07014.56
5.3.140.0030.04314.66
5.3.130.0070.04314.57
5.3.120.0070.04014.56
5.3.110.0000.04314.39
5.3.100.0030.05014.14
5.3.90.0100.06714.05
5.3.80.0130.06313.86
5.3.70.0000.05313.90
5.3.60.0100.06714.05
5.3.50.0130.07014.04
5.3.40.0030.05313.83
5.3.30.0000.04714.01
5.3.20.0030.04313.71
5.3.10.0070.06313.69
5.3.00.0030.07313.53
5.2.170.0030.04711.19
5.2.160.0130.05711.11
5.2.150.0030.03311.16
5.2.140.0100.02711.36
5.2.130.0030.04011.15
5.2.120.0030.03010.99
5.2.110.0070.06311.15
5.2.100.0170.05011.00
5.2.90.0030.04011.14
5.2.80.0030.03010.96
5.2.70.0030.03711.14
5.2.60.0000.06711.02
5.2.50.0070.06311.06
5.2.40.0070.04311.04
5.2.30.0100.06011.00
5.2.20.0100.06010.99
5.2.10.0100.05710.90
5.2.00.0100.03010.73
5.1.60.0070.05310.04
5.1.50.0000.0439.94
5.1.40.0070.05010.02
5.1.30.0070.02310.37
5.1.20.0070.02310.39
5.1.10.0100.05010.14
5.1.00.0070.04310.06
5.0.50.0070.0338.51
5.0.40.0070.0378.38
5.0.30.0030.0638.30
5.0.20.0030.0478.20
5.0.10.0030.0408.08
5.0.00.0030.0408.10
4.4.90.0000.0207.71
4.4.80.0070.0337.71
4.4.70.0070.0177.71
4.4.60.0030.0237.71
4.4.50.0030.0377.71
4.4.40.0070.0507.71
4.4.30.0070.0107.71
4.4.20.0000.0177.71
4.4.10.0030.0207.71
4.4.00.0030.0577.71
4.3.110.0000.0337.71
4.3.100.0030.0277.71
4.3.90.0030.0177.71
4.3.80.0000.0507.71
4.3.70.0000.0307.71
4.3.60.0000.0337.71
4.3.50.0030.0377.71
4.3.40.0030.0437.71
4.3.30.0000.0337.71
4.3.20.0000.0337.71
4.3.10.0000.0377.71
4.3.00.0030.0237.71

preferences:
44.71 ms | 401 KiB | 5 Q