3v4l.org

run code in 300+ PHP versions simultaneously
<?php function search($input) { $result = $input; for($a=0;$a<count($input);$a++) { for($b=0;$b<count($input);$b++) { $d=""; for($c=1;$c<$b;$c++) { print $input[$a+$c]; } $result[]= $d; } } foreach($input as $a) foreach($input as $b) $result[]= $a . $b; return array_filter(array_unique($result)); } print json_encode(search(["a", "b"])) . "\n"; print json_encode(search(["a", "b", "c"]));

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)
8.3.60.0100.00718.31
8.3.50.0110.00521.98
8.3.40.0090.00618.67
8.3.30.0110.00419.18
8.3.20.0080.00020.16
8.3.10.0080.00023.54
8.3.00.0090.00319.11
8.2.180.0090.00616.50
8.2.170.0120.00922.96
8.2.160.0040.01120.47
8.2.150.0080.00024.18
8.2.140.0060.00324.66
8.2.130.0000.00826.16
8.2.120.0030.00519.48
8.2.110.0000.00922.04
8.2.100.0070.00418.22
8.2.90.0030.00519.35
8.2.80.0040.00417.97
8.2.70.0000.00817.63
8.2.60.0030.00718.03
8.2.50.0000.00918.07
8.2.40.0040.00419.94
8.2.30.0070.00018.30
8.2.20.0000.00717.82
8.2.10.0000.00818.00
8.2.00.0080.00019.51
8.1.280.0030.01025.92
8.1.270.0030.00623.91
8.1.260.0050.00226.35
8.1.250.0060.00328.09
8.1.240.0040.00418.80
8.1.230.0080.00419.04
8.1.220.0060.00317.74
8.1.210.0050.00318.77
8.1.200.0000.00917.35
8.1.190.0040.00417.23
8.1.180.0040.00418.10
8.1.170.0030.00618.41
8.1.160.0000.00822.05
8.1.150.0070.00018.60
8.1.140.0040.00417.37
8.1.130.0030.00317.75
8.1.120.0040.00417.46
8.1.110.0000.00717.36
8.1.100.0050.00317.49
8.1.90.0030.00317.47
8.1.80.0050.00217.43
8.1.70.0030.00517.41
8.1.60.0080.00017.60
8.1.50.0000.00917.43
8.1.40.0050.00317.57
8.1.30.0040.00417.53
8.1.20.0080.00017.55
8.1.10.0080.00017.62
8.1.00.0040.00417.52
8.0.300.0040.00418.77
8.0.290.0050.00216.75
8.0.280.0030.00318.41
8.0.270.0030.00317.25
8.0.260.0000.00817.32
8.0.250.0000.00717.07
8.0.240.0050.00316.98
8.0.230.0050.00217.07
8.0.220.0030.00316.96
8.0.210.0000.00716.87
8.0.200.0070.00017.04
8.0.190.0020.00517.07
8.0.180.0000.00716.96
8.0.170.0000.00816.89
8.0.160.0040.00416.94
8.0.150.0070.00016.89
8.0.140.0070.00016.90
8.0.130.0030.00313.34
8.0.120.0030.00516.98
8.0.110.0040.00416.86
8.0.100.0070.00016.79
8.0.90.0040.00416.78
8.0.80.0030.01717.01
8.0.70.0000.00717.00
8.0.60.0000.00816.85
8.0.50.0040.00417.07
8.0.30.0100.01317.21
8.0.20.0200.01017.40
8.0.10.0000.00816.90
8.0.00.0130.00716.73
7.4.330.0000.00515.05
7.4.320.0000.00716.55
7.4.300.0060.00016.64
7.4.290.0030.00316.57
7.4.280.0040.00416.51
7.4.270.0080.00016.51
7.4.260.0100.00016.43
7.4.250.0040.00416.50
7.4.240.0030.00316.62
7.4.230.0030.00316.70
7.4.220.0100.00716.73
7.4.210.0040.01616.48
7.4.200.0000.00716.62
7.4.160.0090.00616.48
7.4.150.0090.00917.40
7.4.140.0120.00517.86
7.4.130.0120.00516.58
7.4.120.0130.00716.60
7.4.110.0070.01416.52
7.4.100.0110.00716.61
7.4.90.0110.00416.57
7.4.80.0090.00919.39
7.4.70.0100.00716.60
7.4.60.0070.01516.39
7.4.50.0000.00516.68
7.4.40.0030.01216.75
7.4.30.0130.00316.51
7.4.00.0060.00314.95
7.3.330.0000.00513.25
7.3.320.0050.00013.41
7.3.310.0040.00416.57
7.3.300.0070.00016.33
7.3.290.0130.00316.43
7.3.280.0100.00716.41
7.3.270.0060.01217.40
7.3.260.0110.00716.66
7.3.250.0140.00516.63
7.3.240.0140.00316.66
7.3.230.0130.00416.50
7.3.210.0090.01216.66
7.3.200.0130.00319.39
7.3.190.0120.00616.46
7.3.180.0110.00416.63
7.3.170.0120.00916.62
7.3.160.0150.00616.49
7.3.120.0000.01614.93
7.2.330.0060.01216.54
7.2.320.0120.00616.73
7.2.310.0130.00316.68
7.2.300.0110.00716.88
7.2.290.0120.00616.55
7.2.60.0090.00916.91
7.2.00.0000.01019.52
7.1.200.0060.00615.72
7.1.100.0080.00418.22
7.1.70.0030.00617.11
7.1.60.0070.01819.70
7.1.50.0110.01116.68
7.1.00.0000.08022.36
7.0.200.0030.00716.88
7.0.140.0130.06322.11
7.0.90.0170.07020.05
7.0.80.0130.07320.03
7.0.70.0170.07319.96
7.0.60.0070.08319.83
7.0.50.0000.06320.23
7.0.40.0030.09020.08
7.0.30.0200.06320.04
7.0.20.0070.08720.05
7.0.10.0030.08720.14
7.0.00.0130.07020.16
5.6.280.0070.07021.13
5.6.240.0070.05020.60
5.6.230.0030.08020.59
5.6.220.0070.08020.59
5.6.210.0070.04720.68
5.6.200.0070.08321.04
5.6.190.0170.07721.04
5.6.180.0100.06721.08
5.6.170.0130.07321.07
5.6.160.0000.08721.01
5.6.150.0070.04321.05
5.6.140.0070.04721.01
5.6.130.0170.07321.07
5.6.120.0170.08021.16
5.6.110.0070.07721.04
5.6.100.0070.04020.98
5.6.90.0100.07721.00
5.6.80.0030.06320.50
5.6.70.0070.08320.46
5.6.60.0130.06720.31
5.6.50.0070.08020.43
5.6.40.0100.07720.39
5.6.30.0030.08720.42
5.6.20.0000.05020.49
5.6.10.0130.06020.38
5.6.00.0170.07320.35
5.5.380.0070.04720.41
5.5.370.0130.07320.36
5.5.360.0070.07320.34
5.5.350.0070.08020.39
5.5.340.0070.07320.91
5.5.330.0100.07720.78
5.5.320.0070.07320.79
5.5.310.0100.07020.73
5.5.300.0070.04020.82
5.5.290.0100.07320.90
5.5.280.0100.08020.76
5.5.270.0030.08320.89
5.5.260.0000.07720.86
5.5.250.0100.08020.60
5.5.240.0030.07020.19
5.5.230.0070.08720.30
5.5.220.0070.08320.30
5.5.210.0030.07720.14
5.5.200.0100.07720.23
5.5.190.0070.06720.25
5.5.180.0170.06320.28
5.5.160.0130.06320.23
5.5.150.0200.06320.22
5.5.140.0070.04320.11
5.5.130.0130.07320.22
5.5.120.0030.08720.18
5.5.110.0130.07320.18
5.5.100.0070.08020.17
5.5.90.0130.07720.07
5.5.80.0170.07019.98
5.5.70.0070.05020.09
5.5.60.0000.06720.14
5.5.50.0030.04320.08
5.5.40.0130.04320.15
5.5.30.0030.05720.07
5.5.20.0130.07319.93
5.5.10.0100.08320.09
5.5.00.0030.07720.11
5.4.450.0100.07319.31
5.4.440.0030.05719.35
5.4.430.0070.05319.36
5.4.420.0100.04019.57
5.4.410.0130.07719.25
5.4.400.0130.06719.09
5.4.390.0000.07019.21
5.4.380.0100.08019.04
5.4.370.0100.06019.13
5.4.360.0130.07019.09
5.4.350.0000.05018.93
5.4.340.0070.04719.16
5.4.320.0070.07319.13
5.4.310.0030.08018.91
5.4.300.0070.07719.18
5.4.290.0070.06019.04
5.4.280.0100.07318.92
5.4.270.0070.05019.13
5.4.260.0100.08018.91
5.4.250.0000.05719.18
5.4.240.0130.04319.23
5.4.230.0130.06718.84
5.4.220.0130.04018.89
5.4.210.0070.07319.02
5.4.200.0100.04019.02
5.4.190.0130.06719.02
5.4.180.0030.08019.17
5.4.170.0100.07019.03
5.4.160.0070.07319.03
5.4.150.0170.07019.03
5.4.140.0100.07716.37
5.4.130.0070.05016.44
5.4.120.0070.07316.38
5.4.110.0070.06716.43
5.4.100.0130.04016.33
5.4.90.0100.03016.41
5.4.80.0030.07316.37
5.4.70.0100.06716.41
5.4.60.0000.07316.34
5.4.50.0070.05716.31
5.4.40.0070.06716.52
5.4.30.0030.07016.39
5.4.20.0030.06716.29
5.4.10.0030.04716.39
5.4.00.0200.04315.83
5.3.290.0100.07314.60
5.3.280.0130.04714.72
5.3.270.0030.05714.66
5.3.260.0030.07314.70
5.3.250.0130.07014.73
5.3.240.0030.07314.63
5.3.230.0030.07314.63
5.3.220.0130.05714.52
5.3.210.0070.08314.55
5.3.200.0100.07314.58
5.3.190.0130.06714.58
5.3.180.0070.07014.52
5.3.170.0030.08014.63
5.3.160.0000.08314.55
5.3.150.0030.07714.66
5.3.140.0030.06314.54
5.3.130.0030.07314.48
5.3.120.0070.07314.47
5.3.110.0130.06714.50
5.3.100.0070.06713.97
5.3.90.0130.07014.14
5.3.80.0000.07714.17
5.3.70.0100.06014.08
5.3.60.0200.04713.91
5.3.50.0070.05313.95
5.3.40.0130.07313.97
5.3.30.0070.07313.90
5.3.20.0070.06013.68
5.3.10.0030.04713.65
5.3.00.0130.04713.75
5.2.170.0070.07011.20
5.2.160.0070.04711.16
5.2.150.0030.06311.23
5.2.140.0070.06011.19
5.2.130.0070.03311.03
5.2.120.0070.06010.96
5.2.110.0000.03711.23
5.2.100.0000.04011.00
5.2.90.0000.05711.19
5.2.80.0100.03311.14
5.2.70.0100.05011.14
5.2.60.0130.03311.11
5.2.50.0070.05011.07
5.2.40.0030.05711.05
5.2.30.0030.06010.88
5.2.20.0000.03711.02
5.2.10.0000.04710.91
5.2.00.0030.05710.81
5.1.60.0030.03710.11
5.1.50.0000.05710.05
5.1.40.0000.05310.08
5.1.30.0030.05010.26
5.1.20.0070.03710.49
5.1.10.0100.04310.15
5.1.00.0030.05310.06
5.0.50.0000.0508.64
5.0.40.0070.0378.54
5.0.30.0030.0638.37
5.0.20.0030.0438.23
5.0.10.0030.0408.25
5.0.00.0000.0678.15
4.4.90.0030.0337.08
4.4.80.0000.0277.08
4.4.70.0000.0407.08
4.4.60.0030.0377.08
4.4.50.0000.0377.08
4.4.40.0070.0277.08
4.4.30.0030.0377.08
4.4.20.0030.0337.08
4.4.10.0070.0377.08
4.4.00.0000.0407.08
4.3.110.0000.0377.08
4.3.100.0000.0377.08
4.3.90.0000.0277.08
4.3.80.0100.0507.08
4.3.70.0070.0337.08
4.3.60.0070.0307.08
4.3.50.0070.0337.08
4.3.40.0030.0537.08
4.3.30.0000.0337.08
4.3.20.0000.0377.08
4.3.10.0000.0307.08
4.3.00.0000.0377.08

preferences:
29.09 ms | 401 KiB | 5 Q