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; } $input = array( 1 => array("one", "potato"), 2 => array("two", "fries"), 3 => array("one", "ketchup"), ); print(var_dump(transformQuestionnaire($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)
5.4.290.0090.04312.50
5.4.280.0090.03512.39
5.4.270.0060.03912.39
5.4.260.0100.05012.39
5.4.250.0090.05112.39
5.4.240.0120.03712.40
5.4.230.0080.05112.39
5.4.220.0090.03912.39
5.4.210.0070.03512.39
5.4.200.0080.04112.39
5.4.190.0100.03612.38
5.4.180.0040.04212.39
5.4.170.0080.04212.39
5.4.160.0080.03612.39
5.4.150.0080.03712.38
5.4.140.0120.03612.07
5.4.130.0050.04112.05
5.4.120.0060.03712.02
5.4.110.0070.03612.02
5.4.100.0100.03412.02
5.4.90.0100.03712.02
5.4.80.0100.03512.01
5.4.70.0060.03512.01
5.4.60.0090.03512.01
5.4.50.0060.03812.01
5.4.40.0060.03512.00
5.4.30.0060.03611.99
5.4.20.0040.03811.99
5.4.10.0040.03711.99
5.4.00.0060.04211.49
5.3.280.0120.03912.71
5.3.270.0060.04912.73
5.3.260.0110.03512.72
5.3.250.0100.03512.72
5.3.240.0090.03412.72
5.3.230.0060.04012.71
5.3.220.0060.04012.68
5.3.210.0100.03512.68
5.3.200.0070.03712.68
5.3.190.0050.04112.68
5.3.180.0020.04312.67
5.3.170.0060.03712.67
5.3.160.0080.03812.67
5.3.150.0060.03912.68
5.3.140.0090.03612.66
5.3.130.0050.04112.66
5.3.120.0070.03812.66
5.3.110.0090.04412.66
5.3.100.0090.04012.12
5.3.90.0090.03412.11
5.3.80.0050.04812.09
5.3.70.0070.03712.10
5.3.60.0070.03612.08
5.3.50.0070.04412.03
5.3.40.0040.04112.03
5.3.30.0060.04411.98
5.3.20.0080.03611.77
5.3.10.0100.05011.73
5.3.00.0110.03111.72
5.2.170.0040.0329.22
5.2.160.0020.0329.22
5.2.150.0070.0289.22
5.2.140.0030.0349.22
5.2.130.0070.0419.18
5.2.120.0070.0309.18
5.2.110.0090.0269.19
5.2.100.0040.0299.18
5.2.90.0050.0299.18
5.2.80.0070.0299.18
5.2.70.0060.0309.17
5.2.60.0050.0329.13
5.2.50.0070.0329.09
5.2.40.0100.0389.08
5.2.30.0070.0429.04
5.2.20.0040.0309.04
5.2.10.0040.0298.95
5.2.00.0090.0268.80
5.1.60.0060.0238.09
5.1.50.0050.0258.09
5.1.40.0060.0248.07
5.1.30.0060.0268.42
5.1.20.0060.0268.44
5.1.10.0090.0208.16
5.1.00.0050.0248.17
5.0.50.0040.0206.64
5.0.40.0040.0196.51
5.0.30.0040.0326.32
5.0.20.0020.0226.29
5.0.10.0040.0206.27
5.0.00.0040.0346.26
4.4.90.0040.0224.78
4.4.80.0040.0164.76
4.4.70.0040.0154.75
4.4.60.0030.0164.76
4.4.50.0010.0164.77
4.4.40.0040.0244.71
4.4.30.0020.0174.75
4.4.20.0040.0154.84
4.4.10.0050.0144.85
4.4.00.0040.0244.76
4.3.110.0050.0154.67
4.3.100.0040.0144.66
4.3.90.0030.0154.64
4.3.80.0010.0264.59
4.3.70.0050.0134.63
4.3.60.0050.0144.63
4.3.50.0010.0204.63
4.3.40.0060.0264.54
4.3.30.0030.0153.30
4.3.20.0010.0173.28
4.3.10.0030.0153.25
4.3.00.0030.03310.31

preferences:
141.72 ms | 1394 KiB | 7 Q