3v4l.org

run code in 300+ PHP versions simultaneously
<?php $simpsons = array(); $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) { var_dump($onesimpson["parent"], $parent); if ($onesimpson["parent"]==$parent) { echo "$onesimpson[name] is a child of ".$simpsons[$parent]["name"].".<br />\n"; get_children($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)
8.3.60.0060.00918.27
8.3.50.0070.00922.05
8.3.40.0110.00718.89
8.3.30.0070.00718.83
8.3.20.0060.00318.73
8.3.10.0050.00321.09
8.3.00.0040.00421.73
8.2.180.0120.00616.75
8.2.170.0070.00722.96
8.2.160.0100.00320.35
8.2.150.0130.00724.18
8.2.140.0000.00824.66
8.2.130.0040.00426.16
8.2.120.0080.00019.48
8.2.110.0120.00320.46
8.2.100.0080.00418.03
8.2.90.0060.00319.35
8.2.80.0040.00417.97
8.2.70.0040.00417.48
8.2.60.0040.00418.00
8.2.50.0000.01018.07
8.2.40.0030.00618.34
8.2.30.0000.00821.05
8.2.20.0040.00417.73
8.2.10.0040.00417.82
8.2.00.0080.00417.75
8.1.280.0150.00625.92
8.1.270.0000.00823.99
8.1.260.0110.00726.35
8.1.250.0050.00228.09
8.1.240.0030.00622.60
8.1.230.0040.00720.82
8.1.220.0040.00418.77
8.1.210.0000.00918.82
8.1.200.0010.01217.35
8.1.190.0030.00617.53
8.1.180.0040.00418.10
8.1.170.0040.00418.59
8.1.160.0050.00218.80
8.1.150.0060.00318.65
8.1.140.0000.00717.46
8.1.130.0030.00317.88
8.1.120.0050.00217.45
8.1.110.0050.00317.45
8.1.100.0040.00417.44
8.1.90.0040.00417.46
8.1.80.0040.00417.46
8.1.70.0030.00317.37
8.1.60.0000.00817.53
8.1.50.0030.00517.48
8.1.40.0040.00417.54
8.1.30.0050.00217.60
8.1.20.0030.00517.54
8.1.10.0000.00817.52
8.1.00.0030.00717.51
8.0.300.0050.00319.85
8.0.290.0000.00817.30
8.0.280.0040.00418.45
8.0.270.0030.00617.25
8.0.260.0050.00516.83
8.0.250.0050.00316.96
8.0.240.0050.00516.94
8.0.230.0050.00216.93
8.0.220.0070.00016.92
8.0.210.0000.00716.79
8.0.200.0030.00316.98
8.0.190.0080.00016.97
8.0.180.0040.00416.94
8.0.170.0080.00016.86
8.0.160.0050.00317.01
8.0.150.0070.00016.75
8.0.140.0070.00016.73
8.0.130.0030.00313.37
8.0.120.0040.00416.90
8.0.110.0040.00416.79
8.0.100.0040.00416.77
8.0.90.0030.00516.95
8.0.80.0060.00916.87
8.0.70.0000.00716.94
8.0.60.0000.00716.85
8.0.50.0040.00416.84
8.0.30.0080.01516.90
8.0.20.0110.01317.40
8.0.10.0000.00816.91
8.0.00.0050.01316.85
7.4.330.0030.00316.89
7.4.320.0040.00416.66
7.4.300.0030.00316.61
7.4.290.0000.00816.61
7.4.280.0030.00316.55
7.4.270.0040.00416.50
7.4.260.0050.00013.35
7.4.250.0030.00516.37
7.4.240.0000.00716.40
7.4.230.0030.00316.37
7.4.220.0070.01516.49
7.4.210.0120.00316.57
7.4.200.0000.00716.51
7.4.190.0000.00816.39
7.4.160.0030.01316.71
7.4.150.0170.00917.40
7.4.140.0170.00717.86
7.4.130.0150.00316.65
7.4.120.0080.01316.55
7.4.110.0090.00916.62
7.4.100.0090.00916.46
7.4.90.0070.01116.58
7.4.80.0110.00819.39
7.4.70.0090.00916.37
7.4.60.0110.01416.49
7.4.50.0030.00516.39
7.4.40.0110.00822.77
7.4.30.0130.00316.50
7.4.00.0070.00715.12
7.3.330.0000.00513.32
7.3.320.0000.00613.32
7.3.310.0000.00716.40
7.3.300.0090.00016.25
7.3.290.0170.00316.41
7.3.280.0150.00516.34
7.3.270.0110.00717.40
7.3.260.0110.00718.24
7.3.250.0080.01116.37
7.3.240.0200.00016.57
7.3.230.0150.00416.55
7.3.210.0060.01116.48
7.3.200.0070.01019.39
7.3.190.0090.01216.55
7.3.180.0140.00316.36
7.3.170.0100.00716.52
7.3.160.0090.00916.38
7.3.120.0040.00715.09
7.3.10.0080.00716.70
7.3.00.0050.00716.60
7.2.330.0070.01016.47
7.2.320.0220.00516.75
7.2.310.0070.01316.84
7.2.300.0120.00616.75
7.2.290.0110.00716.73
7.2.130.0040.00717.01
7.2.120.0060.00616.95
7.2.110.0060.00416.97
7.2.100.0030.00816.99
7.2.90.0080.00517.07
7.2.80.0040.00816.92
7.2.70.0070.00617.06
7.2.60.0070.00616.97
7.2.50.0020.01016.95
7.2.40.0040.00616.89
7.2.30.0070.00616.88
7.2.20.0030.00917.06
7.2.10.0050.00816.83
7.2.00.0090.00517.55
7.1.250.0030.00615.71
7.1.200.0030.00715.98
7.1.100.0080.00618.49
7.1.70.0070.00317.30
7.1.60.0030.02219.17
7.1.50.0100.01017.07
7.1.00.0030.07322.49
7.0.200.0090.00016.67
7.0.140.0070.07022.00
7.0.60.0030.07719.90
7.0.50.0030.05717.86
7.0.40.0070.04320.21
7.0.30.0530.08020.16
7.0.20.0230.07720.07
7.0.10.0270.04020.22
7.0.00.0030.04720.16
5.6.280.0130.06020.92
5.6.210.0070.08020.67
5.6.200.0000.05318.12
5.6.190.0100.08020.57
5.6.180.0200.04020.61
5.6.170.0270.05020.58
5.6.160.0100.06320.55
5.6.150.0100.04318.19
5.6.140.0030.08318.14
5.6.130.0130.07318.23
5.6.120.0000.04721.07
5.6.110.0100.06720.99
5.6.100.0130.07720.98
5.6.90.0070.07320.89
5.6.80.0100.06320.39
5.6.70.0400.06720.43
5.5.350.0300.03320.41
5.5.340.0100.07717.99
5.5.330.0030.08720.25
5.5.320.0270.07320.32
5.5.310.0370.06720.27
5.5.300.0030.04717.92
5.5.290.0030.04317.98
5.5.280.0000.08720.80
5.5.270.0130.07720.77
5.5.260.0000.04320.86
5.5.250.0000.04320.70
5.5.240.0030.04020.16
5.4.450.3570.05319.41
5.4.440.3570.05019.52
5.4.430.3700.05319.41
5.4.420.2970.04719.19
5.4.410.3430.04319.44
5.4.400.4300.02719.22
5.4.390.3370.04318.87
5.4.380.3200.04719.31
5.4.370.3200.03319.07
5.4.360.3730.04719.16
5.4.350.2400.05019.26
5.4.340.3400.04019.09
5.4.320.3170.04318.84
5.4.310.3270.03719.13
5.4.300.3270.04019.16
5.4.290.3770.03319.22
5.4.280.3300.04019.00
5.4.270.3230.03319.08
5.4.260.3330.03719.06
5.4.250.2670.04019.19
5.4.240.2500.04318.97
5.4.230.3070.03719.24
5.4.220.3230.03018.86
5.4.210.3130.03718.94
5.4.200.0700.06018.87
5.4.190.0100.07719.12
5.4.180.0070.06318.98
5.4.170.0800.04718.97
5.4.160.3100.03719.29
5.4.150.3170.03718.95
5.4.140.3330.04016.50
5.4.130.3100.04316.68
5.4.120.3500.03716.51
5.4.110.3130.04016.20
5.4.100.3100.03716.56
5.4.90.3300.03716.28
5.4.80.3270.04016.26
5.4.70.3500.03316.18
5.4.60.3270.03016.43
5.4.50.2800.04016.32
5.4.40.2970.03016.43
5.4.30.3400.03016.25
5.4.20.3170.03716.52
5.4.10.3230.03316.53
5.4.00.3230.03315.83
5.3.290.3070.04014.59
5.3.280.3500.03314.60
5.3.270.3800.03714.68
5.3.260.3030.04014.68
5.3.250.3130.03714.68
5.3.240.3770.03714.75
5.3.230.3200.03314.66
5.3.220.3170.04014.47
5.3.210.3830.04314.54
5.3.200.3630.04014.55
5.3.190.2930.04314.64
5.3.180.3230.03314.63
5.3.170.3170.03714.79
5.3.160.3330.03714.64
5.3.150.3030.04714.46
5.3.140.3470.03314.55
5.3.130.2930.04014.60
5.3.120.3500.03714.45
5.3.110.2870.04714.54
5.3.100.3370.04014.01
5.3.90.3070.04013.99
5.3.80.3470.03314.09
5.3.70.3100.04013.94
5.3.60.3930.03714.12
5.3.50.3430.03713.86
5.3.40.2770.03713.89
5.3.30.2700.04313.93
5.3.20.2870.02713.75
5.3.10.3330.03713.58
5.3.00.3030.02713.69
5.2.170.2500.03311.13
5.2.160.2530.02311.20
5.2.150.2300.03011.07
5.2.140.2630.03311.20
5.2.130.2000.03311.11
5.2.120.2770.02711.02
5.2.110.3030.03311.16
5.2.100.2630.02711.11
5.2.90.2600.02311.25
5.2.80.2700.03011.05
5.2.70.2670.03311.14
5.2.60.2930.03011.14
5.2.50.2870.03311.11
5.2.40.2200.02310.93
5.2.30.2370.03310.95
5.2.20.2130.02711.01
5.2.10.2230.03010.80
5.2.00.2470.03310.64
5.1.60.0830.0239.90
5.1.50.2530.0309.98
5.1.40.2170.0239.88
5.1.30.2400.02710.56
5.1.20.2530.02010.28
5.1.10.2030.0209.95
5.1.00.2400.02310.06
5.0.50.1330.0238.48
5.0.40.0730.0178.40
5.0.30.0900.0438.45
5.0.20.1130.0278.29
5.0.10.1100.0178.23
5.0.00.1130.0408.10
4.4.90.1270.0206.41
4.4.80.1270.0206.41
4.4.70.1170.0136.41
4.4.60.0770.0206.41
4.4.50.1270.0206.41
4.4.40.0170.0276.41
4.4.30.0900.0176.41
4.4.20.0530.0206.41
4.4.10.1030.0136.41
4.4.00.1130.0276.41
4.3.110.0770.0176.41
4.3.100.0470.0176.41
4.3.90.0630.0176.41
4.3.80.0970.0236.41
4.3.70.1100.0176.41
4.3.60.0670.0176.41
4.3.50.0370.0176.41
4.3.40.0470.0236.41
4.3.30.0400.0206.41
4.3.20.0500.0176.41
4.3.10.0470.0136.41
4.3.00.0230.0136.41

preferences:
36.54 ms | 400 KiB | 5 Q