3v4l.org

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

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)
8.3.60.0060.01318.52
8.3.50.0090.01116.58
8.3.40.0070.00718.68
8.3.30.0070.00718.67
8.3.20.0040.00418.69
8.3.10.0050.00318.75
8.3.00.0100.00019.38
8.2.180.0130.00716.38
8.2.170.0100.00722.96
8.2.160.0120.00319.00
8.2.150.0090.00024.18
8.2.140.0080.00024.66
8.2.130.0080.00026.16
8.2.120.0030.00619.08
8.2.110.0030.00620.40
8.2.100.0100.00317.59
8.2.90.0040.00417.88
8.2.80.0000.00818.92
8.2.70.0080.00017.63
8.2.60.0080.00017.50
8.2.50.0030.00518.16
8.2.40.0050.00319.36
8.2.30.0030.00717.74
8.2.20.0030.00617.57
8.2.10.0060.00317.67
8.2.00.0000.00717.86
8.1.280.0040.01125.92
8.1.270.0040.00423.99
8.1.260.0050.00326.35
8.1.250.0080.00028.09
8.1.240.0100.00023.91
8.1.230.0040.00820.85
8.1.220.0000.00918.70
8.1.210.0030.00518.77
8.1.200.0030.00617.35
8.1.190.0040.00817.13
8.1.180.0040.00418.10
8.1.170.0080.00017.62
8.1.160.0070.00019.00
8.1.150.0050.00318.56
8.1.140.0060.00317.46
8.1.130.0000.00717.51
8.1.120.0000.00717.45
8.1.110.0050.00217.52
8.1.100.0030.00317.37
8.1.90.0070.00017.46
8.1.80.0000.00717.41
8.1.70.0030.00317.46
8.1.60.0030.00617.62
8.1.50.0040.00417.38
8.1.40.0040.00417.50
8.1.30.0080.00017.68
8.1.20.0030.00617.65
8.1.10.0070.00017.54
8.1.00.0060.00317.35
8.0.300.0030.00518.77
8.0.290.0050.00316.75
8.0.280.0050.00318.58
8.0.270.0080.00017.18
8.0.260.0070.00016.87
8.0.250.0000.00716.99
8.0.240.0050.00217.03
8.0.230.0000.00716.85
8.0.220.0000.00616.94
8.0.210.0070.00016.91
8.0.200.0040.00416.84
8.0.190.0000.00816.90
8.0.180.0040.00416.95
8.0.170.0030.00616.81
8.0.160.0000.00716.78
8.0.150.0000.00816.84
8.0.140.0040.00416.89
8.0.130.0000.00613.33
8.0.120.0040.00416.88
8.0.110.0040.00416.80
8.0.100.0040.00416.96
8.0.90.0050.00216.96
8.0.80.0040.01016.85
8.0.70.0000.00816.79
8.0.60.0090.00016.96
8.0.50.0060.00316.70
8.0.30.0120.00916.96
8.0.20.0050.01716.97
8.0.10.0040.00417.09
8.0.00.0070.01116.74
7.4.330.0030.00312.95
7.4.320.0030.00316.53
7.4.300.0000.00816.43
7.4.290.0000.00716.62
7.4.280.0050.00216.41
7.4.270.0030.00316.43
7.4.260.0030.00313.31
7.4.250.0070.00016.65
7.4.240.0040.00416.66
7.4.230.0060.00616.45
7.4.220.0060.01216.61
7.4.210.0090.01416.67
7.4.200.0090.00016.50
7.4.190.0000.00716.68
7.4.160.0160.00316.36
7.4.150.0110.00716.47
7.4.140.0050.01316.57
7.4.130.0180.00016.54
7.4.120.0100.00616.57
7.4.110.0130.01016.57
7.4.100.0130.01016.58
7.4.90.0090.00916.55
7.4.80.0200.00319.39
7.4.70.0100.00616.58
7.4.60.0000.01816.52
7.4.50.0060.00316.56
7.4.40.0030.01216.32
7.4.30.0100.00716.58
7.4.00.0030.01015.02
7.3.330.0000.00713.20
7.3.320.0050.00013.36
7.3.310.0070.00016.39
7.3.300.0000.00716.27
7.3.290.0030.01216.37
7.3.280.0140.00516.34
7.3.270.0130.00316.52
7.3.260.0140.00316.32
7.3.250.0090.00816.39
7.3.240.0070.01016.44
7.3.230.0060.01116.64
7.3.210.0120.00916.39
7.3.200.0130.00316.44
7.3.190.0080.00816.63
7.3.180.0090.00616.30
7.3.170.0140.00316.34
7.3.160.0120.00816.40
7.3.120.0120.00314.88
7.2.330.0090.00916.43
7.2.320.0200.00016.63
7.2.310.0070.01316.49
7.2.300.0090.00616.69
7.2.290.0100.01016.78
7.2.00.0070.00719.59
7.1.100.0000.01018.21
7.1.70.0030.00317.18
7.1.60.0120.00619.30
7.1.50.0230.01334.82
7.1.00.0000.06722.36
7.0.200.0040.00416.84
7.0.140.0070.06321.92
7.0.120.0130.06322.09
7.0.90.0470.08319.95
7.0.80.0330.08719.95
7.0.70.0670.07719.94
7.0.60.0630.06319.97
7.0.50.0830.04320.29
7.0.40.0030.06020.08
7.0.30.0030.06320.09
7.0.20.0030.06319.99
7.0.10.0130.07720.13
7.0.00.0070.05320.04
5.6.280.0030.07321.04
5.6.240.0070.08320.55
5.6.230.0070.05320.69
5.6.220.0030.08720.67
5.6.210.0170.07020.50
5.6.200.0170.03721.11
5.6.190.0130.08021.14
5.6.180.0070.04021.04
5.6.170.0030.08721.18
5.6.160.0100.07721.12
5.6.150.0070.05320.98
5.6.140.0070.07720.95
5.6.130.0030.07021.00
5.6.120.0100.08020.96
5.6.110.0100.06021.02
5.6.100.0070.05020.93
5.6.90.0100.04720.95
5.6.80.0070.08020.44
5.6.70.0100.07720.55
5.6.60.0170.07020.48
5.6.50.0100.04720.56
5.6.40.0170.06720.35
5.6.30.0100.04720.41
5.6.20.0070.04020.48
5.6.10.0070.06320.40
5.6.00.0030.07020.38
5.5.380.0170.03320.43
5.5.370.0100.08020.42
5.5.360.0070.08320.43
5.5.350.0030.08020.39
5.5.340.0100.06020.89
5.5.330.0100.06320.91
5.5.320.0100.08020.86
5.5.310.0200.07020.90
5.5.300.0100.08020.75
5.5.290.0030.08720.83
5.5.280.0100.07720.75
5.5.270.0100.07720.88
5.5.260.0000.05320.91
5.5.250.0130.06720.55
5.5.240.0070.06020.21
5.5.230.0170.06020.14
5.5.220.0100.04720.21
5.5.210.0100.04020.02
5.5.200.0130.07320.00
5.5.190.0030.05720.08
5.5.180.0070.08020.13
5.5.160.0000.07720.13
5.5.150.0070.07720.21
5.5.140.0030.08020.25
5.5.130.0070.07720.27
5.5.120.0070.06720.23
5.5.110.0070.08320.14
5.5.100.0030.06720.16
5.5.90.0070.05319.97
5.5.80.0070.06320.09
5.5.70.0030.08720.08
5.5.60.0030.07020.10
5.5.50.0070.04020.04
5.5.40.0100.06320.05
5.5.30.0170.07320.05
5.5.20.0130.07720.15
5.5.10.0070.04020.03
5.5.00.0100.08020.07
5.4.450.0100.06719.51
5.4.440.0100.05319.39
5.4.430.0000.08319.50
5.4.420.0100.03719.35
5.4.410.0070.03719.07
5.4.400.0070.07018.91
5.4.390.0030.07719.04
5.4.380.0100.07319.03
5.4.370.0070.08019.13
5.4.360.0000.08319.23
5.4.350.0070.07019.22
5.4.340.0100.05719.05
5.4.320.0070.04019.21
5.4.310.0100.07718.90
5.4.300.0070.04318.85
5.4.290.0130.06718.88
5.4.280.0030.06319.25
5.4.270.0130.06718.95
5.4.260.0070.04718.90
5.4.250.0030.07719.04
5.4.240.0030.08019.08
5.4.230.0100.04319.12
5.4.220.0070.05719.11
5.4.210.0170.05319.09
5.4.200.0100.06018.94
5.4.190.0100.06319.09
5.4.180.0100.06319.11
5.4.170.0100.06718.91
5.4.160.0030.07719.07
5.4.150.0100.07318.86
5.4.140.0070.07316.30
5.4.130.0000.07316.38
5.4.120.0100.05316.38
5.4.110.0130.07316.51
5.4.100.0070.07316.51
5.4.90.0130.06316.32
5.4.80.0030.07716.53
5.4.70.0070.07316.32
5.4.60.0100.06716.45
5.4.50.0070.03716.37
5.4.40.0030.07316.36
5.4.30.0130.06316.53
5.4.20.0030.07316.47
5.4.10.0200.06316.47
5.4.00.0030.07715.81
5.3.290.0070.08014.66
5.3.280.0070.08014.56
5.3.270.0100.06014.47
5.3.260.0170.07014.56
5.3.250.0000.06014.62
5.3.240.0070.04314.46
5.3.230.0100.06714.45
5.3.220.0100.06314.44
5.3.210.0100.07714.55
5.3.200.0130.06014.47
5.3.190.0000.08314.41
5.3.180.0130.07314.52
5.3.170.0070.04014.39
5.3.160.0030.07714.51
5.3.150.0130.05014.38
5.3.140.0070.04314.53
5.3.130.0070.08014.52
5.3.120.0070.05314.48
5.3.110.0070.05314.41
5.3.100.0070.07314.00
5.3.90.0070.07713.88
5.3.80.0070.07013.87
5.3.70.0100.03713.93
5.3.60.0070.07313.96
5.3.50.0030.07313.94
5.3.40.0030.04713.92
5.3.30.0130.04313.77
5.3.20.0070.06013.56
5.3.10.0070.05713.52
5.3.00.0030.05013.59
5.2.170.0030.06010.98
5.2.160.0030.06011.02
5.2.150.0100.06010.93
5.2.140.0070.03711.12
5.2.130.0100.05011.09
5.2.120.0000.06311.14
5.2.110.0070.06311.09
5.2.100.0030.04311.16
5.2.90.0070.04711.15
5.2.80.0130.04710.93
5.2.70.0000.07011.04
5.2.60.0100.05310.84
5.2.50.0000.04310.93
5.2.40.0100.05711.04
5.2.30.0070.05310.80
5.2.20.0030.06710.88
5.2.10.0000.05010.88
5.2.00.0000.04010.77
5.1.60.0130.04710.00
5.1.50.0070.05310.07
5.1.40.0000.0579.86
5.1.30.0000.05710.36
5.1.20.0030.05710.38
5.1.10.0170.02010.13
5.1.00.0030.05310.08
5.0.50.0000.0478.54
5.0.40.0030.0438.24
5.0.30.0070.0538.06
5.0.20.0000.0238.27
5.0.10.0070.0408.27
5.0.00.0070.0608.20
4.4.90.0130.0277.16
4.4.80.0000.0307.16
4.4.70.0000.0377.16
4.4.60.0000.0377.16
4.4.50.0070.0237.16
4.4.40.0000.0577.16
4.4.30.0000.0377.16
4.4.20.0000.0237.16
4.4.10.0000.0237.16
4.4.00.0000.0577.16
4.3.110.0030.0307.16
4.3.100.0100.0277.16
4.3.90.0000.0377.16
4.3.80.0030.0537.16
4.3.70.0030.0337.16
4.3.60.0070.0277.16
4.3.50.0000.0207.16
4.3.40.0070.0437.16
4.3.30.0030.0207.16
4.3.20.0070.0137.16
4.3.10.0000.0207.16
4.3.00.0000.0337.16

preferences:
76.49 ms | 400 KiB | 5 Q