3v4l.org

run code in 300+ PHP versions simultaneously
<?php $array = array('a', 'b', 'c'); function depth_picker($arr, $temp_string, &$collect) { if ($temp_string != "") $collect []= $temp_string; for ($i=0; $i<sizeof($arr);$i++) { $arrcopy = $arr; $elem = array_splice($arrcopy, $i, 1); // removes and returns the i'th element if (sizeof($arrcopy) > 0) { depth_picker($arrcopy, $temp_string ."" . $elem[0], $collect); } else { $collect []= $temp_string. " " . $elem[0]; } } } $collect = array(); depth_picker($array, "", $collect); print_r($collect);

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)
8.3.70.0110.00418.24
8.3.60.0120.00616.47
8.3.50.0080.01221.95
8.3.40.0090.00618.97
8.3.30.0140.00019.08
8.3.20.0040.00420.35
8.3.10.0040.00421.90
8.3.00.0060.00319.00
8.2.180.0150.00718.29
8.2.170.0100.00322.96
8.2.160.0100.00320.52
8.2.150.0040.00424.18
8.2.140.0030.00624.66
8.2.130.0060.00326.16
8.2.120.0050.00320.94
8.2.110.0000.01221.03
8.2.100.0070.00317.97
8.2.90.0030.00618.03
8.2.80.0080.00017.97
8.2.70.0070.00317.63
8.2.60.0050.00318.16
8.2.50.0030.00518.07
8.2.40.0040.00418.28
8.2.30.0070.00318.13
8.2.20.0050.00317.75
8.2.10.0030.00518.01
8.2.00.0000.00817.63
8.1.280.0140.00725.92
8.1.270.0060.00618.86
8.1.260.0030.00526.35
8.1.250.0070.00028.09
8.1.240.0090.00022.66
8.1.230.0110.00020.88
8.1.220.0050.00317.79
8.1.210.0030.00618.77
8.1.200.0080.00017.35
8.1.190.0030.00517.35
8.1.180.0040.00418.10
8.1.170.0030.00620.39
8.1.160.0040.00421.90
8.1.150.0040.00418.89
8.1.140.0000.00717.40
8.1.130.0000.00817.88
8.1.120.0070.00017.47
8.1.110.0040.00417.45
8.1.100.0040.00417.48
8.1.90.0030.00317.46
8.1.80.0040.00417.43
8.1.70.0000.00717.39
8.1.60.0060.00317.51
8.1.50.0040.00417.43
8.1.40.0040.00417.41
8.1.30.0000.00817.66
8.1.20.0080.00017.56
8.1.10.0000.00817.54
8.1.00.0070.00017.49
8.0.300.0030.00619.88
8.0.290.0000.00716.63
8.0.280.0070.00018.32
8.0.270.0030.00517.33
8.0.260.0000.00717.18
8.0.250.0000.00816.87
8.0.240.0030.00316.92
8.0.230.0000.00717.00
8.0.220.0000.00816.94
8.0.210.0040.00416.79
8.0.200.0030.00316.97
8.0.190.0040.00416.95
8.0.180.0040.00416.86
8.0.170.0040.00416.88
8.0.160.0030.00316.90
8.0.150.0030.00516.81
8.0.140.0050.00316.83
8.0.130.0060.00013.32
8.0.120.0000.00816.87
8.0.110.0040.00416.97
8.0.100.0030.00516.85
8.0.90.0040.00416.92
8.0.80.0000.01516.81
8.0.70.0000.00716.80
8.0.60.0050.00216.70
8.0.50.0040.00416.94
8.0.30.0090.01416.97
8.0.20.0160.00217.40
8.0.10.0070.00016.95
8.0.00.0120.00517.01
7.4.330.0000.00515.03
7.4.320.0030.00316.52
7.4.300.0030.00316.54
7.4.290.0060.00316.58
7.4.280.0050.00316.64
7.4.270.0000.00716.53
7.4.260.0080.00016.49
7.4.250.0000.00716.60
7.4.240.0050.00216.46
7.4.230.0000.00816.64
7.4.220.0050.01416.50
7.4.210.0070.01016.49
7.4.200.0000.00716.50
7.4.160.0120.00316.66
7.4.150.0160.00917.40
7.4.140.0120.00617.86
7.4.130.0110.00616.55
7.4.120.0100.01016.49
7.4.110.0070.01116.47
7.4.100.0070.01016.44
7.4.90.0090.00916.53
7.4.80.0110.01119.39
7.4.70.0160.00016.34
7.4.60.0070.01016.49
7.4.50.0040.00416.54
7.4.40.0080.01216.65
7.4.30.0110.00816.50
7.4.00.0080.01014.81
7.3.330.0030.00313.39
7.3.320.0110.00613.39
7.3.310.0030.00316.49
7.3.300.0040.00416.30
7.3.290.0000.00816.34
7.3.280.0070.01216.37
7.3.270.0120.01117.40
7.3.260.0090.00816.42
7.3.250.0110.01216.38
7.3.240.0110.01116.45
7.3.230.0110.01216.39
7.3.210.0140.00316.39
7.3.200.0070.01019.39
7.3.190.0070.01016.57
7.3.180.0070.01016.40
7.3.170.0080.01416.43
7.3.160.0140.00516.48
7.3.120.0120.00614.91
7.3.110.0030.01314.95
7.3.100.0040.01115.06
7.3.90.0030.01314.85
7.3.80.0030.01314.82
7.3.70.0030.00614.53
7.3.60.0060.01014.79
7.3.50.0040.01414.82
7.3.40.0060.00314.88
7.3.30.0030.01114.84
7.3.20.0030.01416.73
7.3.10.0070.01016.75
7.3.00.0030.00616.54
7.2.330.0070.01116.71
7.2.320.0030.01316.75
7.2.310.0140.00316.70
7.2.300.0090.01316.50
7.2.290.0070.01716.77
7.2.250.0030.01615.07
7.2.240.0160.00614.92
7.2.230.0070.00715.16
7.2.220.0090.00915.30
7.2.210.0040.01215.07
7.2.200.0080.00414.89
7.2.190.0130.00315.06
7.2.180.0030.01014.81
7.2.170.0030.01014.88
7.2.60.0070.00716.66
7.2.00.0080.00419.22
7.1.330.0000.01515.43
7.1.320.0120.00315.97
7.1.310.0070.01016.03
7.1.300.0030.01015.90
7.1.290.0000.01315.80
7.1.280.0060.00615.68
7.1.270.0070.00715.68
7.1.260.0100.00015.83
7.1.200.0090.00315.79
7.1.100.0000.01117.98
7.1.70.0000.00817.30
7.1.60.0070.01019.46
7.1.50.0130.01317.02
7.1.00.0070.07022.36
7.0.200.0090.00416.53
7.0.140.0000.04022.15
7.0.70.2970.03019.94
7.0.60.0100.07020.09
7.0.50.0130.06317.96
7.0.40.0030.04720.10
7.0.30.0300.07020.28
7.0.20.0300.08020.24
7.0.10.0370.07720.18
7.0.00.0070.08320.22
5.6.280.0000.07720.92
5.6.210.0100.05020.50
5.6.200.0100.07718.16
5.6.190.0070.05020.61
5.6.180.0430.06720.68
5.6.170.0300.03720.52
5.6.160.0070.04020.39
5.6.150.0030.04318.18
5.6.140.0170.07018.23
5.6.130.0030.08318.15
5.6.120.0070.06721.09
5.6.110.0130.08020.95
5.6.100.0100.08020.93
5.6.90.0030.04020.95
5.6.80.0000.08020.39
5.6.70.0230.06320.38
5.5.350.0130.06320.43
5.5.340.0100.04318.06
5.5.330.0070.06320.21
5.5.320.0100.08020.48
5.5.310.0330.07020.23
5.5.300.0130.07317.98
5.5.290.0070.06718.02
5.5.280.0200.07020.90
5.5.270.0130.08320.64
5.5.260.0070.06720.76
5.5.250.0130.06020.47
5.5.240.0100.05020.04
5.4.450.0930.05019.34
5.4.440.1000.04719.46
5.4.430.0730.06019.59
5.4.420.0770.05319.45
5.4.410.0900.04719.48
5.4.400.0170.05318.54
5.4.390.0200.05018.50
5.4.380.0170.05318.60
5.4.370.0130.05718.74
5.4.360.0200.05018.76
5.4.350.0200.05318.60
5.4.340.0200.05018.79
5.4.320.0100.06018.56
5.4.310.0130.05718.78
5.4.300.0200.05718.85
5.4.290.0130.05318.76
5.4.280.0070.06018.78
5.4.270.0100.05718.72
5.4.260.0400.06018.48
5.4.250.0230.05018.72
5.4.240.0100.06018.51
5.4.230.0130.05318.68
5.4.220.0270.04318.45
5.4.210.0230.06018.45
5.4.200.0300.05716.55
5.4.190.0200.07018.72
5.4.180.0170.05018.82
5.4.170.0070.06318.47
5.4.160.0170.05718.70
5.4.150.0170.05318.71
5.4.140.0130.05316.17
5.4.130.0230.04716.25
5.4.120.0270.05716.29
5.4.110.0230.04316.25
5.4.100.0230.06716.28
5.4.90.0200.06716.29
5.4.80.0170.05016.43
5.4.70.0200.04716.16
5.4.60.0130.05316.34
5.4.50.0070.06016.19
5.4.40.0130.05316.29
5.4.30.0230.05716.24
5.4.20.0100.05716.26
5.4.10.0170.05016.14
5.4.00.0170.04715.75
5.3.290.0200.05014.71
5.3.280.0100.05714.70
5.3.270.0200.05014.63
5.3.260.0270.04314.65
5.3.250.0170.05014.62
5.3.240.0100.05714.65
5.3.230.0130.05314.77
5.3.220.0200.04714.73
5.3.210.0100.08014.57
5.3.200.0100.05714.64
5.3.190.0230.06314.57
5.3.180.0030.06314.67
5.3.170.0170.05014.79
5.3.160.0130.05314.73
5.3.150.0270.04314.66
5.3.140.0300.06014.73
5.3.130.0170.05314.66
5.3.120.0230.04714.73
5.3.110.0230.04714.75
5.3.100.0200.04714.25
5.3.90.0170.04714.04
5.3.80.0130.05314.06
5.3.70.0130.05714.06
5.3.60.0170.05014.13
5.3.50.0170.05013.93
5.3.40.0170.05014.07
5.3.30.0130.05314.03
5.3.20.0070.05713.88
5.3.10.0170.04313.78
5.3.00.0130.05313.76
5.2.170.0070.04711.20
5.2.160.0170.03711.21
5.2.150.0130.04011.14
5.2.140.0100.04711.21
5.2.130.0230.03011.32
5.2.120.0070.04311.32
5.2.110.0170.04011.09
5.2.100.0100.04711.16
5.2.90.0030.05011.23
5.2.80.0100.04311.11
5.2.70.0130.04011.14
5.2.60.0100.04311.11
5.2.50.0130.04011.05
5.2.40.0170.03310.99
5.2.30.0130.04011.08
5.2.20.0200.03311.06
5.2.10.0100.04010.92
5.2.00.0270.04010.73
5.1.60.0070.05010.02
5.1.50.0100.03710.19
5.1.40.0100.0339.96
5.1.30.0100.04310.37
5.1.20.0070.05010.41
5.1.10.0170.04310.20
5.1.00.0170.03010.23
5.0.50.0070.0308.68
5.0.40.0030.0308.44
5.0.30.0030.0478.37
5.0.20.0030.0308.39
5.0.10.0100.0278.39
5.0.00.0070.0438.36
4.4.90.0100.0176.05
4.4.80.0000.0275.94
4.4.70.0100.0205.92
4.4.60.0070.0205.93
4.4.50.0000.0275.96
4.4.40.0030.0375.95
4.4.30.0030.0276.03
4.4.20.0130.0175.95
4.4.10.0100.0206.00
4.4.00.0070.0335.94
4.3.110.0100.0205.87
4.3.100.0100.0205.83
4.3.90.0030.0275.90
4.3.80.0100.0335.95
4.3.70.0070.0205.82
4.3.60.0030.0235.83
4.3.50.0100.0205.81
4.3.40.0100.0375.77
4.3.30.0030.0234.61
4.3.20.0070.0204.67
4.3.10.0030.0204.52
4.3.00.0200.0207.51

preferences:
53.02 ms | 401 KiB | 5 Q