3v4l.org

run code in 300+ PHP versions simultaneously
<?php function combinaisons($chaine, $prefix = '') { if(strlen($chaine) == strlen($prefix)) { yield $prefix; return; } $caracteres = str_split($chaine, 1); foreach($caracteres as $caractere) { $solutions = combinaisons($chaine, $prefix.$caractere); foreach($solutions as $solution) yield $solution; } } $combinaisons = combinaisons('abc'); foreach($combinaisons as $combinaison) echo $combinaison.'<br />';

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)
8.3.60.0180.00418.30
8.3.50.0100.00922.05
8.3.40.0150.00718.90
8.3.30.0110.01119.09
8.3.20.0150.00420.16
8.3.10.0000.00920.57
8.3.00.0070.01419.38
8.2.180.0160.00616.75
8.2.170.0030.01322.96
8.2.160.0110.00420.38
8.2.150.0060.00324.18
8.2.140.0040.00424.66
8.2.130.0030.00626.16
8.2.120.0000.00822.23
8.2.110.0090.00022.20
8.2.100.0070.00417.72
8.2.90.0080.00019.05
8.2.80.0000.00817.97
8.2.70.0090.00317.75
8.2.60.0060.00618.05
8.2.50.0000.00918.07
8.2.40.0060.00318.08
8.2.30.0030.00519.27
8.2.20.0040.00417.56
8.2.10.0040.00417.98
8.2.00.0080.00317.56
8.1.280.0070.00725.92
8.1.270.0040.00423.72
8.1.260.0080.00026.35
8.1.250.0130.00628.09
8.1.240.0040.00424.02
8.1.230.0040.00819.23
8.1.220.0000.00817.78
8.1.210.0030.00618.77
8.1.200.0060.00317.36
8.1.190.0040.00417.35
8.1.180.0060.00418.10
8.1.170.0040.01018.38
8.1.160.0030.00522.02
8.1.150.0000.00718.83
8.1.140.0040.00417.45
8.1.130.0030.00317.83
8.1.120.0050.00217.45
8.1.110.0080.00017.36
8.1.100.0040.00417.37
8.1.90.0000.00717.53
8.1.80.0080.00017.46
8.1.70.0000.00717.40
8.1.60.0060.00317.49
8.1.50.0000.00817.43
8.1.40.0030.00617.44
8.1.30.0040.00417.60
8.1.20.0000.00817.66
8.1.10.0040.00417.57
8.1.00.0040.00417.46
8.0.300.0000.00720.78
8.0.290.0000.00716.75
8.0.280.0030.00318.46
8.0.270.0020.00517.20
8.0.260.0030.00317.32
8.0.250.0030.00316.84
8.0.240.0030.00317.00
8.0.230.0030.00316.94
8.0.220.0070.00016.73
8.0.210.0030.00316.90
8.0.200.0060.00016.97
8.0.190.0040.00416.87
8.0.180.0000.00816.92
8.0.170.0000.00816.93
8.0.160.0000.00716.89
8.0.150.0030.00316.84
8.0.140.0040.00416.86
8.0.130.0040.00413.41
8.0.120.0030.00716.89
8.0.110.0050.00216.82
8.0.100.0030.00616.84
8.0.90.0040.00416.74
8.0.80.0120.00316.86
8.0.70.0070.00016.69
8.0.60.0040.00416.68
8.0.50.0040.00416.90
8.0.30.0140.00816.88
8.0.20.0060.01317.44
8.0.10.0000.00716.84
8.0.00.0080.00916.76
7.4.330.0000.00615.04
7.4.320.0060.00016.59
7.4.300.0030.00316.57
7.4.290.0000.00716.50
7.4.280.0060.00316.50
7.4.270.0000.00716.50
7.4.260.0000.00716.39
7.4.250.0080.00016.45
7.4.240.0020.00616.54
7.4.230.0030.00316.25
7.4.220.0160.00916.54
7.4.210.0090.00916.54
7.4.200.0040.00416.59
7.4.160.0200.00316.43
7.4.150.0030.02017.40
7.4.140.0060.01217.86
7.4.130.0110.00616.63
7.4.120.0110.00616.65
7.4.110.0060.01016.46
7.4.100.0120.00916.48
7.4.90.0110.01416.62
7.4.80.0070.01018.63
7.4.70.0070.01016.47
7.4.60.0170.00416.50
7.4.50.0030.00316.44
7.4.40.0100.00716.26
7.4.30.0130.00316.30
7.4.00.0050.00815.00
7.3.330.0000.00513.23
7.3.320.0060.00013.38
7.3.310.0020.00516.36
7.3.300.0070.00016.41
7.3.290.0090.00616.37
7.3.280.0090.00916.36
7.3.270.0100.01017.40
7.3.260.0130.01016.59
7.3.250.0130.00516.31
7.3.240.0120.01516.41
7.3.230.0030.01416.39
7.3.210.0090.01516.39
7.3.200.0090.00919.39
7.3.190.0060.00916.44
7.3.180.0070.01016.61
7.3.170.0120.00616.65
7.3.160.0130.00316.32
7.3.120.0040.01215.04
7.3.110.0000.01814.87
7.3.100.0100.00614.62
7.3.90.0000.01114.65
7.3.80.0090.00914.82
7.3.70.0070.00714.83
7.3.60.0030.01314.98
7.3.50.0030.01014.95
7.3.40.0030.00915.07
7.3.30.0090.00614.96
7.3.20.0110.00316.71
7.3.10.0050.00816.40
7.3.00.0110.00716.44
7.2.330.0170.00716.62
7.2.320.0080.00916.74
7.2.310.0070.01116.80
7.2.300.0070.01016.77
7.2.290.0030.01816.56
7.2.250.0150.00314.89
7.2.240.0100.00614.83
7.2.230.0070.00315.18
7.2.220.0030.00915.13
7.2.210.0120.00315.29
7.2.200.0060.00915.23
7.2.190.0000.01015.12
7.2.180.0040.00715.13
7.2.170.0060.01015.19
7.2.130.0070.00816.60
7.2.120.0040.01016.76
7.2.110.0030.00916.69
7.2.100.0070.00716.83
7.2.90.0060.00616.73
7.2.80.0050.00816.71
7.2.70.0070.00616.83
7.2.60.0080.00716.76
7.2.50.0070.00716.73
7.2.40.0060.01116.51
7.2.30.0070.01216.76
7.2.20.0110.00316.63
7.2.10.0070.00716.74
7.2.00.0050.01017.71
7.1.330.0100.00715.83
7.1.320.0000.01015.79
7.1.310.0000.01415.76
7.1.300.0030.01015.52
7.1.290.0100.00015.95
7.1.280.0070.00315.96
7.1.270.0070.00715.57
7.1.260.0030.01415.62
7.1.250.0070.00615.43
7.1.100.0140.00718.20
7.1.70.0000.00917.23
7.1.60.0070.01119.32
7.1.50.0040.00816.95
7.1.00.0100.07022.31
7.0.200.0070.00016.88
7.0.140.0070.07322.15
7.0.60.0070.08319.98
7.0.50.0100.07317.89
7.0.40.0100.07020.10
7.0.30.0400.05720.07
7.0.20.0270.07720.30
7.0.10.0030.06720.09
7.0.00.0030.09020.22
5.6.280.0030.07320.86
5.6.210.0170.06720.73
5.6.200.0000.04318.29
5.6.190.0170.03020.60
5.6.180.0430.05720.46
5.6.170.0170.04020.46
5.6.160.0030.05720.43
5.6.150.0070.07718.15
5.6.140.0070.05718.28
5.6.130.0070.08718.15
5.6.120.0070.05320.89
5.6.110.0100.08321.02
5.6.100.0030.06020.98
5.6.90.0070.08020.88
5.6.80.0030.07020.54
5.5.350.0270.06720.50
5.5.340.0030.04718.00
5.5.330.0030.04320.37
5.5.320.0370.06020.35
5.5.310.0330.07320.32
5.5.300.0070.03718.08
5.5.290.0130.06318.07
5.5.280.0200.07720.73
5.5.270.0070.07020.87
5.5.260.0070.04320.77
5.5.250.0030.09020.59
5.5.240.0130.06020.13
5.4.450.0130.05719.47
5.4.440.1000.05319.59
5.4.430.0730.05319.61
5.4.420.0770.05019.55
5.4.410.1000.04719.20
5.4.400.0130.04719.15
5.4.390.0870.06318.89
5.4.380.0270.05718.63
5.4.370.0270.05318.80
5.4.360.0300.06318.63
5.4.350.0300.06018.84
5.4.340.0300.05718.73
5.4.320.0040.03912.52
5.4.310.0050.03812.51
5.4.300.0080.03412.52
5.4.290.0090.04212.51
5.4.280.0030.03812.41
5.4.270.0060.03512.41
5.4.260.0050.03812.41
5.4.250.0020.04212.41
5.4.240.0080.03312.41
5.4.230.0040.03912.40
5.4.220.0050.03712.40
5.4.210.0070.03912.40
5.4.200.0050.03912.40
5.4.190.0070.03512.40
5.4.180.0050.03612.39
5.4.170.0090.03412.40
5.4.160.0060.04112.40
5.4.150.0070.03712.40
5.4.140.0080.03412.09
5.4.130.0060.03512.07
5.4.120.0030.03812.03
5.4.110.0070.03412.03
5.4.100.0050.03612.03
5.4.90.0030.04112.03
5.4.80.0040.03912.03
5.4.70.0050.03812.03
5.4.60.0030.04512.02
5.4.50.0100.03312.02
5.4.40.0040.04012.02
5.4.30.0060.03612.01
5.4.20.0040.03712.00
5.4.10.0090.03212.01
5.4.00.0060.03511.50
5.3.290.0060.03912.80
5.3.280.0060.03812.71
5.3.270.0060.03912.72
5.3.260.0060.03912.72
5.3.250.0070.03512.72
5.3.240.0070.03612.72
5.3.230.0080.03612.71
5.3.220.0050.03712.68
5.3.210.0090.03512.68
5.3.200.0070.03512.68
5.3.190.0040.04012.68
5.3.180.0060.04112.67
5.3.170.0070.03912.67
5.3.160.0040.04212.68
5.3.150.0050.04212.67
5.3.140.0090.03512.66
5.3.130.0060.04412.66
5.3.120.0040.04012.66
5.3.110.0060.03912.66
5.3.100.0030.03912.13
5.3.90.0080.03312.11
5.3.80.0060.03512.09
5.3.70.0040.03812.09
5.3.60.0070.03412.09
5.3.50.0070.03512.02
5.3.40.0050.03712.02
5.3.30.0070.03411.98
5.3.20.0060.03511.77
5.3.10.0070.04811.73
5.3.00.0080.03811.72
5.2.170.0040.0389.21
5.2.160.0040.0299.22
5.2.150.0070.0289.21
5.2.140.0060.0309.21
5.2.130.0040.0299.17
5.2.120.0030.0299.18
5.2.110.0060.0319.18
5.2.100.0080.0269.18
5.2.90.0050.0299.18
5.2.80.0040.0309.18
5.2.70.0040.0349.17
5.2.60.0070.0279.13
5.2.50.0030.0319.10
5.2.40.0030.0309.07
5.2.30.0090.0259.05
5.2.20.0020.0329.04
5.2.10.0060.0268.95
5.2.00.0050.0328.80
5.1.60.0050.0228.10
5.1.50.0050.0258.09
5.1.40.0030.0268.07
5.1.30.0020.0298.42
5.1.20.0030.0288.44
5.1.10.0060.0258.17
5.1.00.0050.0258.16
5.0.50.0050.0196.64
5.0.40.0030.0196.50
5.0.30.0040.0306.31
5.0.20.0040.0206.28
5.0.10.0040.0196.26
5.0.00.0040.0306.25
4.4.90.0040.0144.78
4.4.80.0060.0124.75
4.4.70.0020.0174.75
4.4.60.0050.0134.75
4.4.50.0030.0154.77
4.4.40.0020.0264.71
4.4.30.0040.0184.76
4.4.20.0020.0174.84
4.4.10.0030.0214.85
4.4.00.0050.0264.76
4.3.110.0010.0234.67
4.3.100.0020.0214.66
4.3.90.0020.0184.63
4.3.80.0010.0254.59
4.3.70.0020.0154.63
4.3.60.0030.0144.63
4.3.50.0030.0154.62
4.3.40.0030.0234.54
4.3.30.0030.0143.30
4.3.20.0000.0173.28
4.3.10.0020.0193.25
4.3.00.0000.0236.92

preferences:
41.17 ms | 401 KiB | 5 Q