3v4l.org

run code in 300+ PHP versions simultaneously
<?php function getCombinations($traits, $string = '', $i = 0) { $combinations = ''; if ($i >= count($traits)) return trim($string) . "\n"; else { foreach ($traits[$i] as $trait) { $combinations .= getCombinations($traits, "$string $trait", $i + 1); } } if($i==0) return explode("\n",$combinations); return $combinations; } $traits = array ( array('Happy', 'Sad', 'Angry', 'Hopeful'), array('Outgoing', 'Introverted'), array('Tall', 'Short', 'Medium'), array('Handsome', 'Plain', 'Ugly') ); $combinations = getCombinations($traits); print_r($combinations);

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)
8.3.60.0140.00718.38
8.3.50.0140.00921.21
8.3.40.0060.00918.91
8.3.30.0140.00020.29
8.3.20.0050.00320.51
8.3.10.0040.00421.14
8.3.00.0040.00423.36
8.2.180.0150.00316.50
8.2.170.0000.01822.96
8.2.160.0070.00720.52
8.2.150.0080.00025.66
8.2.140.0000.00924.66
8.2.130.0000.00726.16
8.2.120.0080.00020.86
8.2.110.0030.00621.00
8.2.100.0060.00617.74
8.2.90.0030.00617.63
8.2.80.0060.00317.97
8.2.70.0080.00018.05
8.2.60.0030.00617.50
8.2.50.0030.00517.50
8.2.40.0000.00817.73
8.2.30.0040.00419.42
8.2.20.0040.00417.90
8.2.10.0000.00717.75
8.2.00.0050.00217.82
8.1.280.0060.00925.92
8.1.270.0080.00023.99
8.1.260.0050.00326.35
8.1.250.0000.00728.09
8.1.240.0100.00019.24
8.1.230.0070.00419.61
8.1.220.0000.00817.77
8.1.210.0040.00418.77
8.1.200.0030.00617.48
8.1.190.0060.00317.35
8.1.180.0050.00518.10
8.1.170.0060.00317.62
8.1.160.0050.00218.95
8.1.150.0040.00418.70
8.1.140.0030.00617.57
8.1.130.0030.00317.82
8.1.120.0000.00717.55
8.1.110.0000.00817.39
8.1.100.0000.00717.55
8.1.90.0000.00717.55
8.1.80.0080.00017.49
8.1.70.0070.00017.51
8.1.60.0000.00817.73
8.1.50.0050.00317.51
8.1.40.0070.00317.52
8.1.30.0030.00517.64
8.1.20.0040.00417.54
8.1.10.0050.00317.66
8.1.00.0040.00417.45
8.0.300.0000.00720.74
8.0.290.0050.00316.88
8.0.280.0000.00818.52
8.0.270.0000.00717.32
8.0.260.0040.00416.75
8.0.250.0040.00416.91
8.0.240.0040.00417.04
8.0.230.0030.00317.05
8.0.220.0070.00316.93
8.0.210.0030.00316.91
8.0.200.0000.00717.02
8.0.190.0040.00416.93
8.0.180.0040.00416.98
8.0.170.0070.00016.80
8.0.160.0040.00416.91
8.0.150.0000.00716.77
8.0.140.0080.00016.82
8.0.130.0060.00013.34
8.0.120.0000.00716.82
8.0.110.0040.00416.80
8.0.100.0040.00416.82
8.0.90.0040.00416.77
8.0.80.0120.00316.94
8.0.70.0020.00516.79
8.0.60.0040.00416.99
8.0.50.0000.00716.82
8.0.30.0130.00617.18
8.0.20.0020.01817.45
8.0.10.0040.00416.93
8.0.00.0160.00416.89
7.4.330.0000.00516.80
7.4.320.0060.00016.62
7.4.300.0030.00316.46
7.4.290.0000.00816.56
7.4.280.0030.00316.64
7.4.270.0000.00816.66
7.4.260.0050.00013.21
7.4.250.0030.00616.63
7.4.240.0050.00316.63
7.4.230.0070.00016.74
7.4.220.0130.01216.60
7.4.210.0040.01316.57
7.4.200.0000.00716.55
7.4.190.0000.00716.65
7.4.160.0130.00916.56
7.4.150.0110.00817.40
7.4.140.0030.01817.86
7.4.130.0110.00616.62
7.4.120.0050.01116.53
7.4.110.0090.00916.41
7.4.100.0130.00316.52
7.4.90.0090.01216.59
7.4.80.0050.01219.39
7.4.70.0060.00916.70
7.4.60.0070.01116.72
7.4.50.0060.00316.63
7.4.40.0020.00822.77
7.4.30.0100.01316.62
7.4.00.0080.00615.23
7.3.330.0030.00313.38
7.3.320.0050.00013.50
7.3.310.0000.00716.38
7.3.300.0050.00216.30
7.3.290.0070.00716.43
7.3.280.0070.01116.43
7.3.270.0180.00617.40
7.3.260.0120.00818.24
7.3.250.0080.01016.57
7.3.240.0120.01216.49
7.3.230.0080.01116.42
7.3.210.0090.01216.71
7.3.200.0100.01319.39
7.3.190.0070.01516.47
7.3.180.0000.01616.58
7.3.170.0030.01316.41
7.3.160.0160.00016.46
7.3.120.0030.01014.80
7.2.330.0070.01016.60
7.2.320.0030.01416.50
7.2.310.0090.00916.49
7.2.300.0080.00816.68
7.2.290.0100.00716.50
7.2.80.0030.00516.88
7.2.60.0000.01616.77
7.2.00.0060.00919.24
7.1.200.0000.01515.77
7.1.100.0080.00818.20
7.1.70.0040.00417.06
7.1.60.0110.01119.17
7.1.50.0070.01617.10
7.1.00.0100.05022.57
7.0.200.4450.00314.57
7.0.140.0070.06722.18
7.0.60.0100.06721.63
7.0.50.0070.08321.94
7.0.40.0000.07720.00
7.0.30.0100.07020.15
7.0.20.0030.05720.03
7.0.10.0070.04720.01
7.0.00.0030.04720.09
5.6.280.0030.07020.89
5.6.210.0100.07320.49
5.6.200.0000.07721.13
5.6.190.0070.06321.01
5.6.180.0030.07321.09
5.6.170.0000.08721.13
5.6.160.0030.04721.00
5.6.150.0030.06321.01
5.6.140.0070.08321.02
5.6.130.0070.08721.02
5.6.120.0130.07321.02
5.6.110.0100.06720.87
5.6.100.0130.06320.96
5.6.90.0070.07721.04
5.6.80.0070.08020.41
5.6.70.0070.07320.43
5.6.60.0000.08020.50
5.6.50.0100.07720.26
5.6.40.0070.07320.37
5.6.30.0030.08020.37
5.6.20.0000.04020.48
5.6.10.0000.08320.32
5.6.00.0100.04720.34
5.5.350.0030.08320.38
5.5.340.0070.07720.89
5.5.330.0030.08020.69
5.5.320.0030.08020.91
5.5.310.0070.04020.80
5.5.300.0130.06720.89
5.5.290.0070.07720.88
5.5.280.0100.08020.94
5.5.270.0070.04720.77
5.5.260.0100.08020.79
5.5.250.0070.08020.62
5.5.240.0130.07320.18
5.5.230.0070.04020.35
5.5.220.0000.06020.05
5.5.210.0070.05720.04
5.5.200.0070.07020.15
5.5.190.0030.08320.01
5.5.180.0070.04720.34
5.5.160.0000.07720.12
5.5.150.0130.07320.23
5.5.140.0030.08320.13
5.5.130.0030.07720.15
5.5.120.0030.07720.18
5.5.110.0000.06020.12
5.5.100.0000.08320.08
5.5.90.0030.08020.01
5.5.80.0000.07020.06
5.5.70.0070.06720.20
5.5.60.0000.06020.12
5.5.50.0030.07020.07
5.5.40.0000.08020.00
5.5.30.0100.06720.00
5.5.20.0030.06020.00
5.5.10.0000.04320.05
5.5.00.0070.03720.08
5.4.450.0130.07019.40
5.4.440.0030.07319.50
5.4.430.0030.08319.33
5.4.420.0000.07319.39
5.4.410.0070.04019.10
5.4.400.0000.07018.92
5.4.390.0000.04019.07
5.4.380.0070.07318.93
5.4.370.0030.06018.93
5.4.360.0070.07018.99
5.4.350.0070.07719.01
5.4.340.0000.04019.03
5.4.320.0000.07319.07
5.4.310.0000.06019.07
5.4.300.0070.07018.91
5.4.290.0030.06718.91
5.4.280.0100.08019.07
5.4.270.0070.06718.92
5.4.260.0030.07719.03
5.4.250.0030.07319.04
5.4.240.0030.07719.21
5.4.230.0100.06319.16
5.4.220.0100.07019.21
5.4.210.0100.06719.00
5.4.200.0030.07319.01
5.4.190.0070.07019.00
5.4.180.0100.05718.91
5.4.170.0030.04019.00
5.4.160.0030.05318.89
5.4.150.0030.06019.15
5.4.140.0030.07716.43
5.4.130.0100.06316.22
5.4.120.0000.07316.38
5.4.110.0070.07316.47
5.4.100.0000.06716.51
5.4.90.0030.06316.34
5.4.80.0000.07716.47
5.4.70.0030.07316.39
5.4.60.0030.06716.40
5.4.50.0070.06716.48
5.4.40.0000.05716.57
5.4.30.0030.06716.36
5.4.20.0030.06016.52
5.4.10.0070.05016.51
5.4.00.0030.07315.67
5.3.290.0070.03314.80
5.3.280.0100.06714.67
5.3.270.0000.07714.68
5.3.260.0070.07714.58
5.3.250.0070.03314.62
5.3.240.0030.07714.67
5.3.230.0070.05314.73
5.3.220.0100.06714.50
5.3.210.0030.08014.55
5.3.200.0000.07714.60
5.3.190.0100.03714.63
5.3.180.0130.03014.55
5.3.170.0070.07314.58
5.3.160.0100.07314.55
5.3.150.0030.06714.65
5.3.140.0070.07014.68
5.3.130.0070.07014.64
5.3.120.0000.06714.61
5.3.110.0030.06314.63
5.3.100.0070.05714.06
5.3.90.0030.07014.09
5.3.80.0030.05314.05
5.3.70.0030.07314.05
5.3.60.0030.07314.03
5.3.50.0200.06013.95
5.3.40.0030.05313.89
5.3.30.0030.05313.92
5.3.20.0000.05013.77
5.3.10.0070.04713.76
5.3.00.0130.05713.77
5.2.170.0000.05311.21
5.2.160.0070.06011.16
5.2.150.0030.04311.26
5.2.140.0070.06711.20
5.2.130.0000.06011.17
5.2.120.0070.05311.17
5.2.110.0030.06011.00
5.2.100.0100.05710.97
5.2.90.0000.04011.10
5.2.80.0000.04311.14
5.2.70.0000.05311.15
5.2.60.0000.06311.14
5.2.50.0100.05311.08
5.2.40.0070.06010.92
5.2.30.0070.04710.99
5.2.20.0000.06710.96
5.2.10.0030.05710.78
5.2.00.0030.06010.74
5.1.60.0000.04710.06
5.1.50.0000.04010.06
5.1.40.0100.0479.97
5.1.30.0030.05010.20
5.1.20.0000.06010.43
5.1.10.0030.0439.97
5.1.00.0070.0439.92
5.0.50.0000.0379.14
5.0.40.0030.0309.14
5.0.30.0030.0539.14
5.0.20.0000.0479.14
5.0.10.0000.0439.14
5.0.00.0000.0639.14
4.4.90.0000.0309.14
4.4.80.0000.0339.14
4.4.70.0000.0339.14
4.4.60.0000.0339.14
4.4.50.0000.0409.14
4.4.40.0000.0579.14
4.4.30.0030.0309.14
4.4.20.0030.0339.14
4.4.10.0000.0379.14
4.4.00.0000.0609.14
4.3.110.0030.0339.14
4.3.100.0030.0309.14
4.3.90.0000.0339.14
4.3.80.0000.0509.14
4.3.70.0030.0279.14
4.3.60.0000.0379.14
4.3.50.0000.0379.14
4.3.40.0000.0539.14
4.3.30.0030.0379.14
4.3.20.0030.0379.14
4.3.10.0030.0339.14
4.3.00.0000.0379.14

preferences:
47.2 ms | 401 KiB | 5 Q