3v4l.org

run code in 300+ PHP versions simultaneously
<?php $input = ["a", "b"]; function search($input) { $result = $input; foreach($input as $a) { foreach($input as $b) { $result []= $a . $b; } } //return array_unique($result); return $result; } var_dump(search($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)
8.3.40.0070.01118.79
8.3.30.0060.01018.58
8.3.20.0030.00518.68
8.3.10.0000.00921.08
8.3.00.0050.00321.90
8.2.170.0040.01122.96
8.2.160.0100.00320.39
8.2.150.0060.00324.18
8.2.140.0030.00624.66
8.2.130.0000.00826.16
8.2.120.0000.00720.94
8.2.110.0000.00920.30
8.2.100.0040.00817.84
8.2.90.0070.00019.35
8.2.80.0070.00417.97
8.2.70.0040.00417.63
8.2.60.0000.00818.05
8.2.50.0030.00618.07
8.2.40.0000.00818.34
8.2.30.0000.00719.30
8.2.20.0040.00417.58
8.2.10.0070.00017.74
8.2.00.0020.00717.76
8.1.270.0000.00823.99
8.1.260.0140.00326.35
8.1.250.0000.00828.09
8.1.240.0040.00424.00
8.1.230.0070.00420.85
8.1.220.0030.00718.77
8.1.210.0000.00818.87
8.1.200.0090.00017.22
8.1.190.0040.00417.40
8.1.180.0040.00418.10
8.1.170.0000.00918.36
8.1.160.0000.00718.88
8.1.150.0070.00018.70
8.1.140.0040.00417.43
8.1.130.0000.00817.80
8.1.120.0030.00417.50
8.1.110.0080.00017.36
8.1.100.0070.00017.45
8.1.90.0040.00417.46
8.1.80.0000.00717.37
8.1.70.0030.00517.40
8.1.60.0040.00417.57
8.1.50.0040.00417.38
8.1.40.0060.00317.52
8.1.30.0030.00617.66
8.1.20.0040.00417.69
8.1.10.0040.00417.46
8.1.00.0090.00017.28
8.0.300.0060.00319.90
8.0.290.0070.00017.04
8.0.280.0030.00318.34
8.0.270.0040.00416.76
8.0.260.0000.00716.81
8.0.250.0050.00316.99
8.0.240.0030.00616.91
8.0.230.0030.00316.95
8.0.220.0040.00416.87
8.0.210.0000.00816.85
8.0.200.0030.00316.83
8.0.190.0040.00416.81
8.0.180.0040.00416.77
8.0.170.0040.00416.87
8.0.160.0040.00416.94
8.0.150.0040.00416.83
8.0.140.0000.00716.77
8.0.130.0060.00013.31
8.0.120.0020.00516.80
8.0.110.0040.00416.82
8.0.100.0040.00416.83
8.0.90.0000.00716.83
8.0.80.0090.00616.91
8.0.70.0040.00416.92
8.0.60.0030.00616.68
8.0.50.0070.00016.77
8.0.30.0150.00616.78
8.0.20.0120.00717.40
8.0.10.0080.00017.03
8.0.00.0080.01016.81
7.4.330.0030.00316.71
7.4.320.0000.00716.61
7.4.300.0030.00316.51
7.4.290.0030.00316.53
7.4.280.0000.00716.59
7.4.270.0040.00416.59
7.4.260.0000.00513.21
7.4.250.0040.00416.47
7.4.240.0070.00016.40
7.4.230.0000.00716.33
7.4.220.0090.00616.57
7.4.210.0060.01016.45
7.4.200.0030.00416.57
7.4.190.0000.00716.39
7.4.160.0090.00616.39
7.4.150.0140.01017.40
7.4.140.0080.00917.86
7.4.130.0100.01016.61
7.4.120.0090.00816.40
7.4.110.0140.00316.50
7.4.100.0110.00616.49
7.4.90.0070.01316.39
7.4.80.0100.01019.39
7.4.70.0130.00416.40
7.4.60.0060.01216.62
7.4.50.0000.00816.44
7.4.40.0110.00322.77
7.4.30.0210.00016.53
7.4.10.0060.01214.77
7.4.00.0080.00814.94
7.3.330.0000.00613.20
7.3.320.0000.00513.30
7.3.310.0070.00016.41
7.3.300.0060.00016.41
7.3.290.0110.00316.34
7.3.280.0080.00916.34
7.3.270.0110.00617.40
7.3.260.0080.01018.24
7.3.250.0100.00916.58
7.3.240.0100.00716.63
7.3.230.0110.00716.63
7.3.210.0070.01116.37
7.3.200.0070.01519.39
7.3.190.0060.01216.37
7.3.180.0130.00316.64
7.3.170.0050.01316.55
7.3.160.0100.01016.49
7.3.130.0130.00614.86
7.3.120.0090.00514.84
7.3.110.0070.01014.91
7.3.100.0030.01015.05
7.3.90.0100.00314.79
7.3.80.0070.00714.85
7.3.70.0000.01414.63
7.3.60.0120.00014.95
7.3.50.0070.01314.86
7.3.40.0060.01314.88
7.3.30.0060.00614.82
7.3.20.0100.00316.73
7.3.10.0000.00916.49
7.3.00.0070.00716.44
7.2.330.0090.00916.78
7.2.320.0130.01016.73
7.2.310.0090.00916.70
7.2.300.0090.00916.66
7.2.290.0130.00316.55
7.2.260.0070.01115.09
7.2.250.0090.00914.95
7.2.240.0040.01115.26
7.2.230.0060.00615.02
7.2.220.0130.00715.22
7.2.210.0040.00414.83
7.2.200.0120.00314.90
7.2.190.0070.01414.96
7.2.180.0070.01014.90
7.2.170.0040.00815.02
7.2.160.0070.00715.03
7.2.150.0070.00416.95
7.2.140.0040.00816.91
7.2.130.0030.00916.85
7.2.120.0080.00816.92
7.2.110.0000.01016.88
7.2.100.0000.01316.98
7.2.90.0000.01516.86
7.2.80.0040.01416.96
7.2.70.0000.01516.71
7.2.60.0000.01217.01
7.2.50.0110.00417.07
7.2.40.0080.00616.93
7.2.30.0030.01116.71
7.2.20.0110.00016.64
7.2.10.0130.00317.05
7.2.00.0110.00318.14
7.1.330.0080.00415.90
7.1.320.0110.00715.86
7.1.310.0000.01215.74
7.1.300.0060.00615.41
7.1.290.0070.00715.53
7.1.280.0000.01415.78
7.1.270.0000.01415.53
7.1.260.0000.00815.50
7.1.250.0030.01015.84
7.1.240.0090.00615.79
7.1.230.0040.00815.74
7.1.220.0080.00415.64
7.1.210.0030.00715.55
7.1.200.0100.00715.89
7.1.190.0050.00815.71
7.1.180.0040.00415.87
7.1.170.0030.00715.65
7.1.160.0000.01215.87
7.1.150.0060.00315.70
7.1.140.0030.01015.84
7.1.130.0060.00615.77
7.1.120.0040.00815.79
7.1.110.0090.00015.76
7.1.100.0050.00917.14
7.1.90.0100.00315.72
7.1.80.0040.00715.74
7.1.70.0050.00316.47
7.1.60.0030.00817.50
7.1.50.0100.00516.33
7.1.40.0000.01415.83
7.1.30.0110.00015.75
7.1.20.0070.00715.52
7.1.10.0070.00715.64
7.1.00.0000.02619.02
7.0.330.0070.00715.45
7.0.320.0040.01115.31
7.0.310.0070.01015.50
7.0.300.0040.00815.32
7.0.290.0070.00315.46
7.0.280.0130.00015.30
7.0.270.0000.01515.52
7.0.260.0110.00015.44
7.0.250.0030.00615.40
7.0.240.0090.00615.34
7.0.230.0070.00715.59
7.0.220.0040.00715.33
7.0.210.0040.01115.49
7.0.200.0030.00716.04
7.0.190.0070.01015.61
7.0.180.0070.00715.25
7.0.170.0040.00715.40
7.0.160.0040.00815.43
7.0.150.0090.00315.23
7.0.140.0030.03918.66
7.0.130.0040.01115.52
7.0.120.0090.00315.27
7.0.110.0070.00715.62
7.0.100.0030.01315.51
7.0.90.0220.02717.67
7.0.80.0220.02517.67
7.0.70.0230.02317.71
7.0.60.0220.02917.72
7.0.50.0080.01817.82
7.0.40.0030.02816.76
7.0.30.0070.04516.87
7.0.20.0120.03816.90
7.0.10.0080.02516.92
7.0.00.0110.04516.81
5.6.400.0080.00814.46
5.6.390.0040.01214.20
5.6.380.0100.00714.41
5.6.370.0070.01114.32
5.6.360.0060.00614.68
5.6.350.0000.01014.63
5.6.340.0070.00714.69
5.6.330.0060.00614.38
5.6.320.0100.00314.50
5.6.310.0000.01314.46
5.6.300.0100.00314.36
5.6.290.0100.00314.45
5.6.280.0060.03917.72
5.6.270.0040.00814.72
5.6.260.0070.01014.09
5.6.250.0000.01614.50
5.6.240.0110.00414.65
5.6.230.0030.02717.57
5.6.220.0080.02217.47
5.6.210.0090.02017.51
5.6.200.0090.03117.89
5.6.190.0030.02817.74
5.6.180.0080.04317.76
5.6.170.0110.04417.73
5.6.160.0100.02517.73
5.6.150.0070.04817.81
5.6.140.0030.02617.81
5.6.130.0050.02817.64
5.6.120.0070.04717.78
5.6.110.0080.04517.73
5.6.100.0070.03917.74
5.6.90.0100.04517.67
5.6.80.0070.04517.38
5.6.70.0120.04017.38
5.6.60.0080.03517.41
5.6.50.0070.04717.39
5.6.40.0100.04317.35
5.6.30.0050.04017.33
5.6.20.0080.04117.37
5.6.10.0070.03817.52
5.6.00.0100.03917.36
5.5.380.0060.00614.46
5.5.370.0130.01717.41
5.5.360.0090.03717.54
5.5.350.0070.03917.36
5.5.340.0050.03517.51
5.5.330.0050.01917.46
5.5.320.0110.04017.68
5.5.310.0080.04317.61
5.5.300.0050.05217.57
5.5.290.0000.04017.61
5.5.280.0090.04317.48
5.5.270.0120.04217.57
5.5.260.0060.04017.49
5.5.250.0050.03317.46
5.5.240.0080.02717.36
5.5.230.0060.02117.27
5.5.220.0100.03317.15
5.5.210.0090.03917.28
5.5.200.0090.02917.23
5.5.190.0080.03417.29
5.5.180.0060.04517.19
5.5.170.0070.00714.36
5.5.160.0050.04317.24
5.5.150.0070.03217.38
5.5.140.0070.04017.25
5.5.130.0100.03717.35
5.5.120.0050.03317.42
5.5.110.0050.03017.33
5.5.100.0080.04617.20
5.5.90.0020.04917.19
5.5.80.0060.03817.16
5.5.70.0100.02517.15
5.5.60.0100.02517.20
5.5.50.0120.04017.14
5.5.40.0070.03917.21
5.5.30.0060.04717.23
5.5.20.0050.04617.14
5.5.10.0000.05417.18
5.5.00.0070.04017.13
5.4.450.0050.04115.15
5.4.440.0020.03415.30
5.4.430.0050.04615.30
5.4.420.0070.03915.15
5.4.410.0070.04015.44
5.4.400.0050.02615.27
5.4.390.0050.02614.92
5.4.380.0050.02515.17
5.4.370.0070.03715.15
5.4.360.0030.04415.08
5.4.350.0050.04015.26
5.4.340.0030.04914.94
5.4.330.0040.00711.35
5.4.320.0100.02615.12
5.4.310.0070.04015.07
5.4.300.0070.03815.04
5.4.290.0050.03315.12
5.4.280.0100.02515.23
5.4.270.0070.03115.27
5.4.260.0030.04514.96
5.4.250.0100.03415.06
5.4.240.0090.04015.01
5.4.230.0080.02315.01
5.4.220.0100.03315.19
5.4.210.0130.03315.21
5.4.200.0060.04215.14
5.4.190.0140.03215.23
5.4.180.0050.04315.15
5.4.170.0130.03715.10
5.4.160.0060.03915.10
5.4.150.0070.04515.04
5.4.140.0080.03813.89
5.4.130.0030.04013.83
5.4.120.0060.03813.82
5.4.110.0100.03513.82
5.4.100.0030.03113.79
5.4.90.0030.04313.77
5.4.80.0050.03813.94
5.4.70.0070.02513.90
5.4.60.0050.02813.74
5.4.50.0070.03013.74
5.4.40.0050.04113.83
5.4.30.0090.02913.82
5.4.20.0050.03713.82
5.4.10.0050.02613.78
5.4.00.0060.04013.58
5.3.290.0050.03812.49
5.3.280.0050.03012.43
5.3.270.0070.03812.46
5.3.260.0090.03812.46
5.3.250.0030.03712.47
5.3.240.0070.04212.47
5.3.230.0060.04112.38
5.3.220.0070.03912.37
5.3.210.0070.04012.45
5.3.200.0050.04312.42
5.3.190.0050.02412.38
5.3.180.0050.02812.42
5.3.170.0050.02212.45
5.3.160.0120.02212.45
5.3.150.0030.02812.40
5.3.140.0050.03712.42
5.3.130.0050.03412.44
5.3.120.0060.04212.45
5.3.110.0050.03712.42
5.3.100.0030.04712.19
5.3.90.0090.03712.17
5.3.80.0050.04012.17
5.3.70.0030.04212.17
5.3.60.0030.04312.10
5.3.50.0080.03512.13
5.3.40.0080.03312.13
5.3.30.0060.03612.05
5.3.20.0110.03011.97
5.3.10.0000.04311.99
5.3.00.0000.03211.97
5.2.170.0030.06013.61
5.2.160.0070.06313.61
5.2.150.0030.05713.61
5.2.140.0130.06313.61
5.2.130.0070.06313.61
5.2.120.0030.06313.61
5.2.110.0030.06013.61
5.2.100.0030.03013.61
5.2.90.0070.05713.61
5.2.80.0070.05313.61
5.2.70.0030.05713.61
5.2.60.0030.05713.61
5.2.50.0030.04713.61
5.2.40.0070.05013.61
5.2.30.0070.06013.61
5.2.20.0100.05713.61
5.2.10.0000.04013.61
5.2.00.0030.05713.61
5.1.60.0030.03313.61
5.1.50.0070.05013.61
5.1.40.0030.05713.61
5.1.30.0030.05713.61
5.1.20.0000.04013.61
5.1.10.0030.05713.61
5.1.00.0100.05013.61
5.0.50.0000.04313.61
5.0.40.0000.05013.61
5.0.30.0100.05313.61
5.0.20.0000.04713.61
5.0.10.0030.02313.61
5.0.00.0070.03313.61
4.4.90.0030.02313.61
4.4.80.0070.02313.61
4.4.70.0030.03313.61
4.4.60.0000.03713.61
4.4.50.0070.02713.61
4.4.40.0030.05313.61
4.4.30.0030.03313.61
4.4.20.0000.01713.61
4.4.10.0000.03713.61
4.4.00.0030.05013.61
4.3.110.0030.03013.61
4.3.100.0000.03313.61
4.3.90.0030.02313.61
4.3.80.0030.05013.61
4.3.70.0030.03313.61
4.3.60.0000.03013.61
4.3.50.0000.03013.61
4.3.40.0030.04713.61
4.3.30.0000.02313.61
4.3.20.0000.03713.61
4.3.10.0000.03313.61
4.3.00.0000.03313.61

preferences:
46 ms | 400 KiB | 5 Q