3v4l.org

run code in 300+ PHP versions simultaneously
<?php function transformQuestionnaire($arr) { $new_arr = array(); foreach ($arr as $nr => $array){ if (!in_array($array[0], $new_arr)){ //not a double $new_arr[$array[0]] = $array[1]; } else { //Append it to the existing value $new_arr[$array[0]] = $new_arr[$array[0]] . '|' . $array[1]; } } return $new_arr; } $input = array( 1 => array("one", "potato"), 2 => array("two", "fries"), 3 => array("one", "ketchup"), ); ?>

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)
8.3.40.0150.00018.73
8.3.30.0110.00418.96
8.3.20.0040.00420.06
8.3.10.0080.00023.65
8.3.00.0080.00019.25
8.2.170.0030.01022.96
8.2.160.0100.00720.43
8.2.150.0040.00424.18
8.2.140.0070.00024.66
8.2.130.0070.00026.16
8.2.120.0050.00322.16
8.2.110.0080.00022.24
8.2.100.0090.00317.72
8.2.90.0020.00519.05
8.2.80.0000.00817.97
8.2.70.0040.00417.38
8.2.60.0100.00317.30
8.2.50.0030.00518.07
8.2.40.0030.00618.16
8.2.30.0040.00418.13
8.2.20.0040.00417.49
8.2.10.0040.00418.00
8.2.00.0000.01017.61
8.1.270.0040.00423.84
8.1.260.0040.00426.35
8.1.250.0050.00228.09
8.1.240.0070.00323.77
8.1.230.0070.00319.17
8.1.220.0040.00417.74
8.1.210.0090.00018.77
8.1.200.0030.00617.09
8.1.190.0000.00917.53
8.1.180.0070.00818.89
8.1.170.0060.00318.59
8.1.160.0000.00721.88
8.1.150.0000.00818.57
8.1.140.0040.00417.42
8.1.130.0030.00317.69
8.1.120.0060.00317.42
8.1.110.0000.00717.36
8.1.100.0000.00817.27
8.1.90.0070.00017.46
8.1.80.0040.00417.31
8.1.70.0090.00017.34
8.1.60.0040.00417.55
8.1.50.0000.00817.44
8.1.40.0000.00717.32
8.1.30.0050.00317.48
8.1.20.0000.00817.64
8.1.10.0060.00317.40
8.1.00.0080.00017.34
8.0.300.0070.00020.78
8.0.290.0070.00017.16
8.0.280.0070.00018.38
8.0.270.0070.00017.19
8.0.260.0000.00617.30
8.0.250.0050.00316.85
8.0.240.0030.00316.77
8.0.230.0070.00016.93
8.0.220.0000.00716.81
8.0.210.0000.00716.74
8.0.200.0000.00616.88
8.0.190.0090.00016.92
8.0.180.0040.00416.77
8.0.170.0000.00816.82
8.0.160.0000.00816.77
8.0.150.0000.00716.81
8.0.140.0030.00516.67
8.0.130.0060.00013.26
8.0.120.0030.00516.79
8.0.110.0080.00016.77
8.0.100.0070.00016.62
8.0.90.0040.00416.68
8.0.80.0080.00816.71
8.0.70.0000.00716.70
8.0.60.0050.00216.86
8.0.50.0070.00016.78
8.0.30.0080.01116.87
8.0.20.0140.00617.40
8.0.10.0000.00716.73
8.0.00.0030.01316.75
7.4.330.0060.00015.00
7.4.320.0030.00316.43
7.4.300.0030.00316.41
7.4.290.0000.00716.46
7.4.280.0030.00516.50
7.4.270.0000.00716.45
7.4.260.0070.00016.39
7.4.250.0070.00016.39
7.4.240.0020.00516.49
7.4.230.0050.00316.39
7.4.220.0100.01316.36
7.4.210.0080.00716.52
7.4.200.0000.00716.62
7.4.190.0050.00216.64
7.4.160.0100.00616.47
7.4.150.0110.00717.40
7.4.140.0090.00817.86
7.4.130.0100.00616.28
7.4.120.0080.01016.45
7.4.110.0070.01016.41
7.4.100.0150.00416.37
7.4.90.0100.00716.52
7.4.80.0030.01719.39
7.4.70.0140.00716.29
7.4.60.0090.01516.57
7.4.50.0040.00416.20
7.4.40.0040.01122.77
7.4.30.0090.01716.37
7.4.00.0080.00914.71
7.3.330.0050.00013.25
7.3.320.0060.00013.18
7.3.310.0050.00216.07
7.3.300.0000.00716.11
7.3.290.0100.00316.13
7.3.280.0050.01116.13
7.3.270.0160.00317.40
7.3.260.0100.00716.23
7.3.250.0120.00716.28
7.3.240.0060.01016.43
7.3.230.0100.00616.47
7.3.210.0100.00716.29
7.3.200.0110.00719.39
7.3.190.0140.00416.23
7.3.180.0140.00416.05
7.3.170.0100.00616.46
7.3.160.0160.00016.39
7.3.120.0040.01114.59
7.3.110.0080.00914.64
7.3.100.0090.00614.72
7.3.90.0090.00614.72
7.3.80.0050.00914.88
7.3.70.0020.01014.75
7.3.60.0020.01214.59
7.3.50.0050.00714.62
7.3.40.0000.01414.65
7.3.30.0050.00914.48
7.3.20.0070.00516.36
7.3.10.0070.00516.48
7.3.00.0000.01416.25
7.2.330.0100.00716.26
7.2.320.0070.01116.59
7.2.310.0100.00616.32
7.2.300.0070.01016.41
7.2.290.0100.00616.56
7.2.250.0050.01014.58
7.2.240.0070.00714.87
7.2.230.0110.00514.85
7.2.220.0090.00614.97
7.2.210.0080.00514.81
7.2.200.0070.00414.81
7.2.190.0050.01014.79
7.2.180.0070.00515.03
7.2.170.0050.01114.78
7.2.160.0050.01014.73
7.2.150.0040.00816.62
7.2.140.0080.00516.55
7.2.130.0070.00816.79
7.2.120.0050.00816.82
7.2.110.0090.00616.79
7.2.100.0080.00416.76
7.2.90.0020.01316.73
7.2.80.0060.00816.83
7.2.70.0060.00716.68
7.2.60.0020.01216.68
7.2.50.0050.00816.71
7.2.40.0080.00616.89
7.2.30.0080.01016.87
7.2.20.0050.00716.60
7.2.10.0050.00916.64
7.2.00.0070.00617.55
7.1.330.0050.01015.73
7.1.320.0040.00915.70
7.1.310.0090.00615.56
7.1.300.0030.00715.44
7.1.290.0050.01115.48
7.1.280.0060.00715.47
7.1.270.0050.00815.42
7.1.260.0080.00415.73
7.1.250.0060.00415.54
7.1.240.0070.00915.60
7.1.230.0070.00715.49
7.1.220.0040.00615.51
7.1.210.0030.01215.58
7.1.200.0060.00615.57
7.1.190.0030.01015.61
7.1.180.0060.00615.53
7.1.170.0050.00515.56
7.1.160.0010.01315.57
7.1.150.0030.01115.77
7.1.140.0130.00015.58
7.1.130.0040.00915.61
7.1.120.0040.00915.49
7.1.110.0040.00915.70
7.1.100.0050.01116.51
7.1.90.0060.00515.50
7.1.80.0050.00615.44
7.1.70.0020.01116.06
7.1.60.0020.01016.90
7.1.50.0110.01121.93
7.1.40.0030.00715.38
7.1.30.0030.00815.56
7.1.20.0050.00815.47
7.1.10.0060.00615.54
7.1.00.0070.03017.84
7.0.330.0020.01215.18
7.0.320.0100.00315.24
7.0.310.0030.00715.14
7.0.300.0030.00915.35
7.0.290.0090.00615.24
7.0.280.0050.00715.16
7.0.270.0090.00415.08
7.0.260.0030.00815.27
7.0.250.0070.00415.20
7.0.240.0040.00915.09
7.0.230.0060.00515.14
7.0.220.0050.00815.13
7.0.210.0040.01115.38
7.0.200.0310.00615.23
7.0.190.0060.00615.25
7.0.180.0060.00315.07
7.0.170.0050.00415.11
7.0.160.0050.00815.18
7.0.150.0050.00715.14
7.0.140.0070.02717.65
7.0.130.0100.00615.28
7.0.120.0090.00415.38
7.0.110.0070.00715.29
7.0.100.0090.00515.23
7.0.90.0060.00615.33
7.0.80.0030.00615.20
7.0.70.0060.00615.17
7.0.60.0060.03116.67
7.0.50.0020.02215.99
7.0.40.0070.03415.65
7.0.30.0090.02015.65
7.0.20.0100.02915.77
7.0.10.0070.03115.61
7.0.00.0060.03415.75
5.6.400.0090.00313.94
5.6.390.0070.00714.40
5.6.380.0060.00514.27
5.6.370.0070.00714.30
5.6.360.0020.01514.43
5.6.350.0050.00714.29
5.6.340.0000.01314.33
5.6.330.0070.00414.31
5.6.320.0080.00814.21
5.6.310.0070.00514.36
5.6.300.0020.01114.14
5.6.290.0090.00914.03
5.6.280.0080.00514.08
5.6.270.0060.00614.31
5.6.260.0050.00814.33
5.6.250.0100.00214.38
5.6.240.0050.00714.36
5.6.230.0070.00514.27
5.6.220.0060.00814.15
5.6.210.0020.02216.28
5.6.200.0050.02415.40
5.6.190.0090.02916.37
5.6.180.0160.02916.26
5.6.170.0210.02916.32
5.6.160.0040.02016.38
5.6.150.0110.02115.62
5.6.140.0040.03015.58
5.6.130.0090.03115.38
5.6.120.0050.01716.38
5.6.110.0050.02816.42
5.6.100.0100.02716.56
5.6.90.0050.01916.52
5.6.80.0090.01416.27
5.6.70.1500.02216.19
5.6.60.0080.00713.94
5.6.50.0020.01214.13
5.6.40.0070.01014.10
5.6.30.0050.00714.23
5.6.20.0060.00614.18
5.6.10.0020.01214.13
5.6.00.0050.00713.94
5.5.380.0000.00814.00
5.5.370.0100.00014.20
5.5.360.0020.00814.26
5.5.350.0060.01416.33
5.5.340.0060.02315.37
5.5.330.0050.02916.23
5.5.320.0130.03216.25
5.5.310.0150.02716.16
5.5.300.0070.03015.39
5.5.290.0040.02115.42
5.5.280.0080.02816.38
5.5.270.0040.03416.34
5.5.260.0070.03616.32
5.5.250.0040.03316.21
5.5.240.0140.02716.23
5.5.230.0050.00614.02
5.5.220.0050.01014.23
5.5.210.0070.00714.10
5.5.200.0070.00513.94
5.5.190.0070.00614.14
5.5.180.0030.00814.03
5.5.170.0080.00614.10
5.5.160.0050.00914.20
5.5.150.0080.00914.25
5.5.140.0050.00713.90
5.5.130.0020.01214.23
5.5.120.0040.00814.08
5.5.110.0080.00314.10
5.5.100.0060.00714.00
5.5.90.0050.00614.18
5.5.80.0040.00714.12
5.5.70.0060.00814.09
5.5.60.0100.00513.98
5.5.50.0050.01013.86
5.5.40.0030.00914.17
5.5.30.0080.00714.07
5.5.20.0040.00713.90
5.5.10.0110.00314.22
5.5.00.0080.00514.13
5.4.450.0260.02215.22
5.4.440.0310.02315.22
5.4.430.0310.02215.19
5.4.420.0250.00515.15
5.4.410.0100.01814.98
5.4.400.0110.01914.91
5.4.390.0060.02514.92
5.4.380.0160.01914.92
5.4.370.0110.02214.90
5.4.360.0110.02014.82
5.4.350.0020.01812.66
5.4.340.0050.01512.66
5.4.330.0080.00212.98
5.4.320.0050.01912.82
5.4.310.0040.02012.82
5.4.300.0050.01612.82
5.4.290.0070.01412.81
5.4.280.0040.01612.78
5.4.270.0030.01612.78
5.4.260.0040.01612.78
5.4.250.0020.02812.78
5.4.240.0080.01512.78
5.4.230.0050.01812.78
5.4.220.0030.01712.77
5.4.210.0070.01512.78
5.4.200.0050.01812.77
5.4.190.0040.01812.78
5.4.180.0060.01712.78
5.4.170.0030.01612.78
5.4.160.0040.01812.78
5.4.150.0030.01712.77
5.4.140.0060.01912.67
5.4.130.0060.02112.67
5.4.120.0020.02012.65
5.4.110.0060.01912.65
5.4.100.0050.01912.65
5.4.90.0060.01612.65
5.4.80.0040.01612.65
5.4.70.0030.01612.65
5.4.60.0040.01512.65
5.4.50.0050.01812.65
5.4.40.0070.01812.64
5.4.30.0050.01812.64
5.4.20.0070.01412.64
5.4.10.0050.01312.64
5.4.00.0060.01712.47
5.3.290.0020.02112.92
5.3.280.0050.02412.89
5.3.270.0060.02012.89
5.3.260.0060.01712.89
5.3.250.0060.01512.89
5.3.240.0070.01512.89
5.3.230.0070.01512.89
5.3.220.0070.01712.88
5.3.210.0030.02012.88
5.3.200.0070.01612.88
5.3.190.0050.01612.88
5.3.180.0060.01512.88
5.3.170.0060.01512.88
5.3.160.0040.02012.88
5.3.150.0080.01412.87
5.3.140.0040.01812.87
5.3.130.0050.01712.87
5.3.120.0050.02012.87
5.3.110.0040.01812.87
5.3.100.0040.01912.69
5.3.90.0060.01412.68
5.3.80.0050.01612.68
5.3.70.0050.01512.68
5.3.60.0050.02012.68
5.3.50.0050.01512.66
5.3.40.0080.02112.66
5.3.30.0040.01612.64
5.3.20.0050.02112.57
5.3.10.0050.01812.56
5.3.00.0050.01912.56
5.2.170.0070.0449.22
5.2.160.0080.0299.22
5.2.150.0070.0399.22
5.2.140.0050.0329.21
5.2.130.0050.0319.17
5.2.120.0060.0299.18
5.2.110.0080.0329.18
5.2.100.0080.0299.18
5.2.90.0050.0329.17
5.2.80.0070.0329.17
5.2.70.0070.0359.17
5.2.60.0070.0349.13
5.2.50.0020.0359.09
5.2.40.0040.0369.07
5.2.30.0090.0299.04
5.2.20.0070.0299.04
5.2.10.0070.0278.94
5.2.00.0040.0348.80
5.1.60.0090.0238.09
5.1.50.0100.0238.08
5.1.40.0050.0288.06
5.1.30.0060.0298.41
5.1.20.0070.0348.43
5.1.10.0070.0278.16
5.1.00.0060.0338.16
5.0.50.0070.0236.64
5.0.40.0040.0206.50
5.0.30.0040.0326.31
5.0.20.0070.0216.28
5.0.10.0060.0276.26
5.0.00.0080.0316.25
4.4.90.0050.0224.78
4.4.80.0040.0224.75
4.4.70.0100.0304.75
4.4.60.0040.0184.76
4.4.50.0040.0204.77
4.4.40.0020.0304.71
4.4.30.0020.0224.76
4.4.20.0050.0154.84
4.4.10.0060.0154.84
4.4.00.0050.0324.76
4.3.110.0020.0184.67
4.3.100.0040.0164.66
4.3.90.0040.0214.63
4.3.80.0030.0284.58
4.3.70.0000.0214.63
4.3.60.0030.0164.63
4.3.50.0040.0164.62
4.3.40.0050.0264.54
4.3.30.0020.0223.30
4.3.20.0020.0233.28
4.3.10.0050.0173.24
4.3.00.0100.0238.04

preferences:
41.65 ms | 400 KiB | 5 Q