3v4l.org

run code in 300+ PHP versions simultaneously
<?php function search($input) { $result = $input; for($a=0;$a<count($input);$a++) { print "1"; } foreach($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)
8.3.60.0140.00718.43
8.3.50.0090.00922.00
8.3.40.0070.01018.70
8.3.30.0150.00619.19
8.3.20.0050.00320.34
8.3.10.0040.00421.97
8.3.00.0040.00422.42
8.2.180.0180.00016.50
8.2.170.0070.00722.96
8.2.160.0090.00620.90
8.2.150.0000.00824.18
8.2.140.0060.00324.66
8.2.130.0000.00726.16
8.2.120.0080.00019.38
8.2.110.0030.00619.23
8.2.100.0120.00017.91
8.2.90.0040.00419.13
8.2.80.0040.00417.97
8.2.70.0030.00617.50
8.2.60.0000.00818.05
8.2.50.0040.00418.07
8.2.40.0080.00018.21
8.2.30.0040.00418.07
8.2.20.0000.00717.61
8.2.10.0030.00517.82
8.2.00.0000.00717.69
8.1.280.0130.00325.92
8.1.270.0060.00323.79
8.1.260.0040.00426.35
8.1.250.0080.00028.09
8.1.240.0060.00320.95
8.1.230.0060.00617.58
8.1.220.0060.00317.79
8.1.210.0040.00418.77
8.1.200.0030.00617.35
8.1.190.0040.00417.35
8.1.180.0090.00018.10
8.1.170.0080.00018.59
8.1.160.0000.00821.97
8.1.150.0050.00218.57
8.1.140.0040.00417.46
8.1.130.0000.00817.75
8.1.120.0040.00417.38
8.1.110.0070.00017.46
8.1.100.0000.00717.46
8.1.90.0080.00017.46
8.1.80.0080.00017.56
8.1.70.0070.00017.43
8.1.60.0050.00317.61
8.1.50.0050.00317.44
8.1.40.0000.00817.41
8.1.30.0030.00617.61
8.1.20.0080.00017.61
8.1.10.0030.00617.45
8.1.00.0000.00817.35
8.0.300.0060.00318.77
8.0.290.0040.00416.63
8.0.280.0000.00718.46
8.0.270.0000.00817.18
8.0.260.0070.00416.87
8.0.250.0000.00716.95
8.0.240.0070.00316.95
8.0.230.0030.00316.97
8.0.220.0030.00316.95
8.0.210.0040.00416.91
8.0.200.0070.00016.85
8.0.190.0000.00816.93
8.0.180.0070.00016.88
8.0.170.0000.00816.89
8.0.160.0080.00016.92
8.0.150.0040.00416.85
8.0.140.0040.00416.89
8.0.130.0000.00613.32
8.0.120.0080.00016.85
8.0.110.0020.00516.86
8.0.100.0040.00416.96
8.0.90.0050.00216.77
8.0.80.0070.01116.95
8.0.70.0050.00216.86
8.0.60.0030.00616.72
8.0.50.0040.00416.93
8.0.30.0090.01017.02
8.0.20.0070.01717.40
8.0.10.0040.00416.92
8.0.00.0120.00816.85
7.4.330.0030.00315.14
7.4.320.0000.00616.56
7.4.300.0000.00616.56
7.4.290.0040.00416.67
7.4.280.0070.00016.50
7.4.270.0070.00016.46
7.4.260.0060.00316.36
7.4.250.0070.00016.53
7.4.240.0060.00116.53
7.4.230.0030.00316.61
7.4.220.0070.01016.61
7.4.210.0120.00416.62
7.4.200.0000.00716.68
7.4.190.0000.00716.70
7.4.160.0040.01116.46
7.4.150.0120.00617.40
7.4.140.0060.01617.86
7.4.130.0150.02016.63
7.4.120.0070.01016.67
7.4.110.0000.01716.50
7.4.100.0120.00916.52
7.4.90.0060.01716.56
7.4.80.0150.00316.50
7.4.70.0080.01116.50
7.4.60.0070.00916.58
7.4.50.0040.00416.28
7.4.40.0090.00622.77
7.4.30.0000.01516.65
7.4.00.0060.00914.91
7.3.330.0060.00013.34
7.3.320.0000.00613.36
7.3.310.0030.00316.27
7.3.300.0000.00616.25
7.3.290.0090.00616.29
7.3.280.0110.00616.35
7.3.270.0090.01117.40
7.3.260.0050.01416.49
7.3.250.0150.00716.43
7.3.240.0150.00316.36
7.3.230.0030.01416.60
7.3.210.0100.00716.52
7.3.200.0060.01219.39
7.3.190.0110.00416.35
7.3.180.0150.00016.35
7.3.170.0090.00616.50
7.3.160.0140.00316.24
7.3.120.0060.01014.78
7.2.330.0060.01116.69
7.2.320.0060.01216.75
7.2.310.0070.01416.55
7.2.300.0180.00316.48
7.2.290.0100.00716.63
7.2.00.0090.00619.42
7.1.100.0090.00318.33
7.1.70.0030.00517.19
7.1.60.0120.01219.82
7.1.50.0040.01916.95
7.1.00.0070.07322.43
7.0.200.0000.00816.84
7.0.140.0000.07722.01
7.0.90.0070.05020.01
7.0.80.0030.04719.97
7.0.70.0100.08719.89
7.0.60.0200.07319.99
7.0.50.0100.05020.17
7.0.40.0030.08020.13
7.0.30.0200.07020.09
7.0.20.0100.08020.13
7.0.10.0170.07020.03
7.0.00.0130.07320.14
5.6.280.0030.07321.07
5.6.240.0170.04020.69
5.6.230.0100.07320.69
5.6.220.0070.08320.52
5.6.210.0070.08020.63
5.6.200.0070.08021.05
5.6.190.0070.05021.04
5.6.180.0070.04320.99
5.6.170.0070.08321.09
5.6.160.0000.07021.06
5.6.150.0070.07721.09
5.6.140.0100.04321.11
5.6.130.0070.05320.93
5.6.120.0100.07020.91
5.6.110.0100.06320.96
5.6.100.0070.03721.10
5.6.90.0100.03320.98
5.6.80.0070.06320.34
5.6.70.0000.08320.46
5.6.60.0000.07720.31
5.6.50.0170.07320.43
5.6.40.0070.08720.49
5.6.30.0070.08020.53
5.6.20.0000.09020.47
5.6.10.0100.07720.30
5.6.00.0100.08320.29
5.5.380.0070.04720.57
5.5.370.0030.04320.41
5.5.360.0170.07020.39
5.5.350.0100.07720.42
5.5.340.0100.08320.93
5.5.330.0130.07720.91
5.5.320.0030.05020.77
5.5.310.0070.08020.86
5.5.300.0030.03720.89
5.5.290.0070.09720.79
5.5.280.0070.03720.88
5.5.270.0030.04020.61
5.5.260.0030.03320.86
5.5.250.0030.07720.70
5.5.240.0070.08020.19
5.5.230.0070.08320.27
5.5.220.0100.07020.20
5.5.210.0030.07720.15
5.5.200.0100.04720.16
5.5.190.0170.06720.23
5.5.180.0100.04320.08
5.5.160.0070.07320.16
5.5.150.0070.08020.24
5.5.140.0070.03720.23
5.5.130.0030.06720.21
5.5.120.0070.04320.27
5.5.110.0100.03320.27
5.5.100.0070.04020.09
5.5.90.0000.04320.15
5.5.80.0070.03320.16
5.5.70.0030.04020.08
5.5.60.0070.03319.90
5.5.50.0030.03720.15
5.5.40.0100.03019.96
5.5.30.0000.04320.09
5.5.20.0030.04020.05
5.5.10.0030.06720.05
5.5.00.0070.03720.00
5.4.450.0030.05319.17
5.4.440.0070.05319.35
5.4.430.0030.03319.41
5.4.420.0070.04019.55
5.4.410.0030.04019.32
5.4.400.0030.03318.95
5.4.390.0130.05718.90
5.4.380.0130.05019.23
5.4.370.0070.04019.13
5.4.360.0070.04719.12
5.4.350.0030.04319.14
5.4.340.0070.08018.91
5.4.320.0170.07019.18
5.4.310.0100.07019.21
5.4.300.0000.04719.23
5.4.290.0070.04018.84
5.4.280.0030.07319.25
5.4.270.0070.03319.17
5.4.260.0030.03719.12
5.4.250.0000.04019.18
5.4.240.0030.03719.02
5.4.230.0030.03718.90
5.4.220.0070.03718.92
5.4.210.0030.03719.17
5.4.200.0000.04018.87
5.4.190.0000.05019.20
5.4.180.0030.03319.04
5.4.170.0070.03719.13
5.4.160.0130.02718.92
5.4.150.0000.04319.07
5.4.140.0070.04316.14
5.4.130.0070.03316.35
5.4.120.0030.03316.28
5.4.110.0030.03716.32
5.4.100.0030.03716.42
5.4.90.0030.03716.32
5.4.80.0070.03016.35
5.4.70.0070.03316.32
5.4.60.0030.03316.47
5.4.50.0100.03716.40
5.4.40.0000.04016.38
5.4.30.0000.04316.32
5.4.20.0000.03716.30
5.4.10.0070.03316.31
5.4.00.0000.04015.89
5.3.290.0030.05014.64
5.3.280.0030.04014.54
5.3.270.0030.03714.58
5.3.260.0030.03714.63
5.3.250.0000.04714.70
5.3.240.0100.02714.53
5.3.230.0030.04014.72
5.3.220.0030.03714.52
5.3.210.0070.03714.54
5.3.200.0070.04314.52
5.3.190.0070.03314.54
5.3.180.0000.04014.49
5.3.170.0070.05714.49
5.3.160.0030.04314.67
5.3.150.0000.03714.67
5.3.140.0000.04014.48
5.3.130.0030.06014.68
5.3.120.0030.03714.66
5.3.110.0000.04014.52
5.3.100.0030.03714.07
5.3.90.0070.03314.11
5.3.80.0170.02314.05
5.3.70.0070.03314.16
5.3.60.0000.04013.99
5.3.50.0030.03713.96
5.3.40.0030.03714.09
5.3.30.0100.02713.83
5.3.20.0030.05713.70
5.3.10.0030.04313.71
5.3.00.0030.03713.63
5.2.170.0030.02711.24
5.2.160.0070.02311.20
5.2.150.0070.03311.20
5.2.140.0000.03010.99
5.2.130.0000.03011.08
5.2.120.0000.02710.95
5.2.110.0030.02711.21
5.2.100.0030.02711.18
5.2.90.0000.03311.20
5.2.80.0070.03711.15
5.2.70.0070.05711.14
5.2.60.0100.05711.16
5.2.50.0070.05711.07
5.2.40.0030.03311.05
5.2.30.0000.06311.07
5.2.20.0170.05010.82
5.2.10.0030.05710.98
5.2.00.0030.04710.77
5.1.60.0100.03010.10
5.1.50.0000.03010.11
5.1.40.0000.05310.01
5.1.30.0000.04010.25
5.1.20.0100.05710.30
5.1.10.0070.06010.07
5.1.00.0000.0579.92
5.0.50.0100.0308.61
5.0.40.0030.0408.52
5.0.30.0070.0608.28
5.0.20.0000.0238.27
5.0.10.0070.0378.18
5.0.00.0030.0438.00
4.4.90.0100.0277.17
4.4.80.0000.0207.17
4.4.70.0000.0377.17
4.4.60.0030.0337.17
4.4.50.0000.0377.17
4.4.40.0070.0577.17
4.4.30.0000.0407.17
4.4.20.0070.0337.17
4.4.10.0030.0277.17
4.4.00.0000.0407.17
4.3.110.0030.0277.17
4.3.100.0070.0307.17
4.3.90.0030.0137.17
4.3.80.0000.0577.17
4.3.70.0070.0207.17
4.3.60.0030.0277.17
4.3.50.0030.0277.17
4.3.40.0000.0377.17
4.3.30.0000.0337.17
4.3.20.0000.0377.17
4.3.10.0000.0337.17
4.3.00.0000.0337.17

preferences:
45.32 ms | 400 KiB | 5 Q