3v4l.org

run code in 300+ PHP versions simultaneously
<?php function transformQuestionnaire($arr) { $new_arr = array(); foreach ($arr as $array){ if (!in_array($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; } $input = array( 1 => array("one", "potato"), 2 => array("two", "fries"), 3 => array("one", "ketchup"), ); print(var_dump(transformQuestionnaire($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)
8.3.60.0040.01116.38
8.3.50.0100.00922.07
8.3.40.0120.00318.59
8.3.30.0090.00619.21
8.3.20.0000.00720.33
8.3.10.0040.00423.52
8.3.00.0080.00019.38
8.2.180.0130.00318.31
8.2.170.0130.00322.96
8.2.160.0000.01420.53
8.2.150.0060.00324.18
8.2.140.0050.00324.66
8.2.130.0040.00426.16
8.2.120.0040.00422.00
8.2.110.0090.00021.18
8.2.100.0060.00617.84
8.2.90.0060.00317.88
8.2.80.0090.00018.05
8.2.70.0040.00418.05
8.2.60.0070.00017.93
8.2.50.0030.00518.10
8.2.40.0040.00422.17
8.2.30.0000.00718.13
8.2.20.0040.00417.86
8.2.10.0040.00419.97
8.2.00.0070.00317.62
8.1.280.0100.00725.92
8.1.270.0040.00423.83
8.1.260.0040.00426.35
8.1.250.0080.00028.09
8.1.240.0100.00022.22
8.1.230.0070.00419.14
8.1.220.0040.00417.77
8.1.210.0060.00318.77
8.1.200.0030.00717.47
8.1.190.0000.00817.23
8.1.180.0030.00518.10
8.1.170.0080.00018.71
8.1.160.0040.00421.98
8.1.150.0040.00418.55
8.1.140.0000.00717.45
8.1.130.0050.00217.79
8.1.120.0040.00517.51
8.1.110.0030.00517.36
8.1.100.0000.00817.50
8.1.90.0000.00717.49
8.1.80.0040.00417.31
8.1.70.0020.00517.42
8.1.60.0000.00917.54
8.1.50.0080.00017.57
8.1.40.0080.00017.52
8.1.30.0040.00417.47
8.1.20.0060.00317.63
8.1.10.0080.00017.45
8.1.00.0040.00417.37
8.0.300.0060.00619.60
8.0.290.0040.00816.63
8.0.280.0000.00718.36
8.0.270.0060.00017.17
8.0.260.0050.00317.29
8.0.250.0070.00016.86
8.0.240.0030.00316.95
8.0.230.0080.00016.86
8.0.220.0030.00316.96
8.0.210.0000.00716.86
8.0.200.0000.00816.95
8.0.190.0070.00016.93
8.0.180.0070.00016.80
8.0.170.0040.00416.91
8.0.160.0000.00816.84
8.0.150.0030.00316.73
8.0.140.0070.00016.89
8.0.130.0050.00013.32
8.0.120.0040.00416.87
8.0.110.0050.00316.89
8.0.100.0040.00417.00
8.0.90.0070.00016.91
8.0.80.0120.00916.80
8.0.70.0040.00416.89
8.0.60.0070.00016.76
8.0.50.0080.00016.87
8.0.30.0110.01217.25
8.0.20.0070.01317.40
8.0.10.0040.00417.10
8.0.00.0110.00816.75
7.4.330.0050.00015.11
7.4.320.0030.00316.46
7.4.300.0000.00716.59
7.4.290.0070.00016.44
7.4.280.0080.00016.52
7.4.270.0030.00316.56
7.4.260.0030.00316.50
7.4.250.0060.00316.47
7.4.240.0020.00516.48
7.4.230.0030.00316.61
7.4.220.0030.02016.51
7.4.210.0080.00816.56
7.4.200.0000.00816.70
7.4.190.0030.00316.75
7.4.160.0120.00316.44
7.4.150.0160.00317.40
7.4.140.0020.01617.86
7.4.130.0110.00616.39
7.4.120.0100.00916.54
7.4.110.0150.00316.41
7.4.100.0130.00416.62
7.4.90.0100.00716.62
7.4.80.0070.01419.39
7.4.70.0170.00316.55
7.4.60.0030.01416.47
7.4.50.0030.00316.22
7.4.40.0030.01222.77
7.4.30.0110.01116.62
7.4.10.0040.01614.88
7.4.00.0010.01514.92
7.3.330.0000.00513.15
7.3.320.0030.00313.20
7.3.310.0040.00416.50
7.3.300.0000.00716.24
7.3.290.0110.00316.38
7.3.280.0110.00616.39
7.3.270.0110.00517.40
7.3.260.0030.01516.45
7.3.250.0080.00916.54
7.3.240.0150.00616.50
7.3.230.0100.00716.39
7.3.210.0040.01416.36
7.3.200.0150.00619.39
7.3.190.0070.01616.39
7.3.180.0060.00916.45
7.3.170.0210.00016.46
7.3.160.0060.01016.36
7.3.130.0100.00614.60
7.3.120.0060.00914.95
7.3.110.0030.01515.00
7.3.100.0040.00914.76
7.3.90.0090.00714.88
7.3.80.0060.01014.98
7.3.70.0030.00814.98
7.3.60.0060.00914.77
7.3.50.0080.00314.86
7.3.40.0080.00614.77
7.3.30.0060.00714.87
7.3.20.0060.00716.74
7.3.10.0100.00516.53
7.3.00.0080.00416.71
7.2.330.0110.00716.86
7.2.320.0170.00416.78
7.2.310.0090.01316.59
7.2.300.0070.01016.76
7.2.290.0060.01216.66
7.2.260.0080.00815.17
7.2.250.0050.01215.15
7.2.240.0050.01215.04
7.2.230.0100.00815.27
7.2.220.0100.00515.11
7.2.210.0040.00815.12
7.2.200.0050.01214.93
7.2.190.0020.01014.96
7.2.180.0080.00815.08
7.2.170.0060.00915.04
7.2.160.0060.00914.88
7.2.150.0070.00716.93
7.2.140.0140.00316.89
7.2.130.0040.00717.01
7.2.120.0030.01216.85
7.2.110.0080.00516.83
7.2.100.0070.00816.75
7.2.90.0040.01116.81
7.2.80.0070.00716.70
7.2.70.0060.00616.78
7.2.60.0080.00716.86
7.2.50.0100.00717.03
7.2.40.0110.00716.88
7.2.30.0070.00317.00
7.2.20.0050.00716.92
7.2.10.0060.00816.91
7.2.00.0070.00617.85
7.1.330.0020.01215.78
7.1.320.0070.00815.82
7.1.310.0030.01015.95
7.1.300.0030.01015.74
7.1.290.0030.01115.71
7.1.280.0050.00915.73
7.1.270.0050.00915.80
7.1.260.0050.00715.74
7.1.250.0090.00515.63
7.1.240.0110.00315.74
7.1.230.0050.01115.62
7.1.220.0040.00815.84
7.1.210.0050.01015.77
7.1.200.0010.01115.76
7.1.190.0030.00915.64
7.1.180.0100.00315.80
7.1.170.0060.00615.77
7.1.160.0060.00815.98
7.1.150.0080.00415.64
7.1.140.0050.00815.80
7.1.130.0090.00515.83
7.1.120.0070.00715.71
7.1.110.0080.00515.89
7.1.100.0060.00916.47
7.1.90.0020.01315.92
7.1.80.0070.00815.83
7.1.70.0040.00616.18
7.1.60.0050.01017.07
7.1.50.0060.01116.29
7.1.40.0060.00515.77
7.1.30.0070.00715.69
7.1.20.0040.00715.77
7.1.10.0080.00615.73
7.1.00.0040.03117.93
7.0.330.0040.00515.33
7.0.320.0060.00615.43
7.0.310.0030.01015.33
7.0.300.0080.00415.52
7.0.290.0060.00915.42
7.0.280.0040.00515.61
7.0.270.0080.00515.52
7.0.260.0030.01015.31
7.0.250.0060.00915.43
7.0.240.0060.00915.45
7.0.230.0080.00715.55
7.0.220.0030.01015.30
7.0.210.0050.00915.39
7.0.200.0080.00915.25
7.0.190.0050.00815.42
7.0.180.0090.00315.26
7.0.170.0010.01015.42
7.0.160.0060.00315.31
7.0.150.0050.00815.37
7.0.140.0040.02917.42
7.0.130.0100.00215.40
7.0.120.0030.00715.18
7.0.110.0060.02716.87
7.0.100.0090.03316.79
7.0.90.0070.03116.72
7.0.80.0090.02816.90
7.0.70.0140.02616.89
7.0.60.0060.03016.89
7.0.50.0090.03416.90
7.0.40.0080.03115.52
7.0.30.0080.03315.46
7.0.20.0070.03515.47
7.0.10.0100.02915.54
7.0.00.0120.02715.49
5.6.400.0040.01114.48
5.6.390.0060.00614.25
5.6.380.0090.00414.64
5.6.370.0050.01014.42
5.6.360.0050.01014.77
5.6.350.0050.00814.58
5.6.340.0040.01114.60
5.6.330.0060.00914.55
5.6.320.0020.01214.24
5.6.310.0100.00214.40
5.6.300.0100.00514.49
5.6.290.0070.00714.35
5.6.280.0100.02516.59
5.6.270.0060.00614.40
5.6.260.0040.03616.62
5.6.250.0090.03116.49
5.6.240.0070.03316.48
5.6.230.0070.03216.50
5.6.220.0040.03016.40
5.6.210.0040.03316.41
5.6.200.0150.02316.39
5.6.190.0080.03416.58
5.6.180.0050.03516.44
5.6.170.0080.03016.46
5.6.160.0040.03416.39
5.6.150.0020.03816.52
5.6.140.0070.03116.46
5.6.130.0090.02916.47
5.6.120.0070.02716.70
5.6.110.0070.02716.44
5.6.100.0070.02616.40
5.6.90.0050.02116.29
5.6.80.0090.02916.16
5.6.70.0050.02716.17
5.6.60.0030.03016.13
5.6.50.0050.02616.06
5.6.40.0060.03016.17
5.6.30.0000.02416.19
5.6.20.0070.01816.29
5.6.10.0010.02116.33
5.6.00.0050.03016.40
5.5.380.0080.03014.54
5.5.370.0060.03014.53
5.5.360.0040.03314.41
5.5.350.0050.02814.44
5.5.340.0070.02814.54
5.5.330.0070.02614.53
5.5.320.0030.03714.48
5.5.310.0070.03114.65
5.5.300.0070.02714.51
5.5.290.0060.03014.62
5.5.280.0050.03314.66
5.5.270.0040.03114.73
5.5.260.0040.02914.56
5.5.250.0070.03014.33
5.5.240.0060.03114.28
5.5.230.0080.02614.39
5.5.220.0030.03014.25
5.5.210.0050.02714.36
5.5.200.0040.02914.17
5.5.190.0050.01714.35
5.5.180.0060.02714.38
5.5.170.0020.00812.79
5.5.160.0060.01414.39
5.5.150.0030.03014.28
5.5.140.0030.02514.39
5.5.130.0050.02914.31
5.5.120.0080.02414.37
5.5.110.0040.02314.42
5.5.100.0020.02514.25
5.5.90.0030.02914.20
5.5.80.0080.02914.26
5.5.70.0080.02914.16
5.5.60.0060.03114.27
5.5.50.0050.03014.22
5.5.40.0010.03214.34
5.5.30.0080.02214.21
5.5.20.0050.03214.25
5.5.10.0070.02914.37
5.5.00.0070.02714.28
5.4.450.0060.02413.82
5.4.440.0020.03313.98
5.4.430.0040.03313.94
5.4.420.0020.03113.82
5.4.410.0070.02214.04
5.4.400.0010.01913.81
5.4.390.0040.02213.89
5.4.380.0060.02413.71
5.4.370.0050.02713.75
5.4.360.0010.02213.81
5.4.350.0040.02413.89
5.4.340.0050.01613.75
5.4.330.0020.00811.25
5.4.320.0070.01413.94
5.4.310.0030.01413.97
5.4.300.0040.02313.86
5.4.290.0090.02813.87
5.4.280.0070.02713.76
5.4.270.0040.03213.86
5.4.260.0070.02913.75
5.4.250.0020.03113.65
5.4.240.0100.02313.93
5.4.230.0060.03013.73
5.4.220.0050.03013.77
5.4.210.0020.03213.71
5.4.200.0060.03013.84
5.4.190.0060.02913.76
5.4.180.0040.03013.78
5.4.170.0080.01813.91
5.4.160.0070.02813.80
5.4.150.0030.02913.68
5.4.140.0060.03012.95
5.4.130.0080.02712.99
5.4.120.0080.02512.86
5.4.110.0060.03012.89
5.4.100.0020.03012.89
5.4.90.0080.02512.96
5.4.80.0060.02812.97
5.4.70.0060.02412.95
5.4.60.0060.02812.77
5.4.50.0010.01812.94
5.4.40.0000.01812.99
5.4.30.0060.02612.97
5.4.20.0040.02512.98
5.4.10.0050.02812.95
5.4.00.0020.03212.79
5.3.290.0060.02612.18
5.3.280.0070.02712.13
5.3.270.0120.02012.17
5.3.260.0020.03312.20
5.3.250.0030.03012.20
5.3.240.0080.02712.12
5.3.230.0060.01812.18
5.3.220.0020.02312.11
5.3.210.0040.03012.14
5.3.200.0000.03212.14
5.3.190.0050.02912.12
5.3.180.0040.02312.25
5.3.170.0020.03112.15
5.3.160.0050.02612.20
5.3.150.0040.02812.20
5.3.140.0040.02712.19
5.3.130.0070.01512.17
5.3.120.0050.02912.15
5.3.110.0080.01512.20
5.3.100.0050.01711.97
5.3.90.0030.03112.00
5.3.80.0040.01611.88
5.3.70.0060.02911.93
5.3.60.0080.02611.92
5.3.50.0050.02911.91
5.3.40.0070.02411.95
5.3.30.0090.02711.91
5.3.20.0070.02611.85
5.3.10.0070.02111.79
5.3.00.0060.02211.83
5.2.170.0120.02712.09
5.2.160.0050.03212.09
5.2.150.0050.03512.09
5.2.140.0030.02812.09
5.2.130.0020.03712.09
5.2.120.0020.02612.09
5.2.110.0020.02812.09
5.2.100.0030.03112.09
5.2.90.0030.02612.09
5.2.80.0030.01812.09
5.2.70.0050.01512.09
5.2.60.0050.01512.09
5.2.50.0030.03512.09
5.2.40.0050.02812.09
5.2.30.0030.01312.09
5.2.20.0060.02812.09
5.2.10.0030.02612.09
5.2.00.0030.01312.09
5.1.60.0050.02712.09
5.1.50.0000.03112.09
5.1.40.0030.02812.09
5.1.30.0050.02812.09
5.1.20.0070.02012.09
5.1.10.0080.02212.09
5.1.00.0060.02812.09
5.0.50.0020.01712.09
5.0.40.0020.02512.09
5.0.30.0020.03612.09
5.0.20.0040.01612.09
5.0.10.0030.02512.09
5.0.00.0020.03312.09
4.4.90.0000.01312.09
4.4.80.0040.01712.09
4.4.70.0010.01512.09
4.4.60.0030.00612.09
4.4.50.0030.01012.09
4.4.40.0030.02512.09
4.4.30.0050.01812.09
4.4.20.0030.01812.09
4.4.10.0000.01812.09
4.4.00.0020.03112.09
4.3.110.0050.01612.09
4.3.100.0030.01612.09
4.3.90.0000.01512.09
4.3.80.0000.02812.09
4.3.70.0020.01712.09
4.3.60.0020.01212.09
4.3.50.0050.01812.09
4.3.40.0020.02812.09
4.3.30.0000.02212.09
4.3.20.0000.02212.09
4.3.10.0020.01812.09
4.3.00.0000.02212.09

preferences:
49.98 ms | 400 KiB | 5 Q