3v4l.org

run code in 300+ PHP versions simultaneously
<?php $bookInfo = array( 0 => array("bookId" => "1", "bookName" => "Book 1", "authorId" => 1, "authorName" => "Author 1") , 1=> array("bookId" => "1", "bookName" => "Book 1", "authorId" => 2, "authorName" => "Author 2") , 2=> array("bookId" => "2", "bookName" => "Book 2", "authorId" => 3, "authorName" => "Author 3") , 3=> array("bookId" => "3", "bookName" => "Book 3", "authorId" => 4, "authorName" => "Author 4") ); print_r($bookInfo); $newBookInfo = []; $newBookKey = []; $newKey = 0; foreach($bookInfo as $bookKey => $bookValue){ if(!in_array($bookValue["bookId"],$newBookKey)){ ++$newKey; $newBookInfo[$newKey]["bookId"] = $bookValue["bookId"]; $newBookInfo[$newKey]["bookName"] = $bookValue["bookName"]; } $newBookInfo[$newKey]["authorName"][$bookKey] = $bookValue["authorName"]; $newBookKey[] = $bookValue["bookId"]; } print_r($newBookInfo);

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)
8.3.60.0070.01018.68
8.3.50.0090.00619.75
8.3.40.0150.00018.85
8.3.30.0110.00718.64
8.3.20.0080.00823.83
8.3.10.0120.00324.41
8.3.00.0080.00723.48
8.2.180.0110.01118.29
8.2.170.0040.01122.96
8.2.160.0060.00921.18
8.2.150.0100.00525.17
8.2.140.0090.00725.33
8.2.130.0090.00525.83
8.2.120.0090.00623.99
8.2.110.0070.00924.10
8.2.100.0080.00823.12
8.2.90.0100.00423.06
8.2.80.0060.00623.54
8.2.70.0110.00358.20
8.2.60.0090.00537.10
8.2.50.0100.00637.19
8.2.40.0080.00637.77
8.2.30.0060.00837.46
8.2.20.0080.00537.12
8.2.10.0070.00337.21
8.2.00.0080.00237.20
8.1.280.0130.00925.92
8.1.270.0070.00425.07
8.1.260.0060.00525.89
8.1.250.0040.00826.47
8.1.240.0100.00624.23
8.1.230.0080.00524.08
8.1.220.0060.00823.04
8.1.210.0060.00423.41
8.1.200.0100.00536.97
8.1.190.0100.00536.97
8.1.180.0110.00537.19
8.1.170.0080.00637.28
8.1.160.0070.00538.20
8.1.150.0090.00337.39
8.1.140.0100.00137.09
8.1.130.0070.00437.01
8.1.120.0110.00437.03
8.1.110.0070.00537.03
8.1.100.0080.00633.08
8.1.90.0090.00533.10
8.1.80.0090.00426.15
8.1.70.0110.00233.11
8.1.60.0090.00433.18
8.1.50.0050.00833.12
8.1.40.0080.00633.12
8.1.30.0100.00530.58
8.1.20.0090.00630.56
8.1.10.0090.00527.29
8.1.00.0110.00330.49
8.0.300.0050.00423.80
8.0.290.0080.00536.85
8.0.280.0120.00237.28
8.0.270.0070.00336.85
8.0.260.0080.00436.84
8.0.250.0070.00336.88
8.0.240.0100.00336.90
8.0.230.0120.00232.86
8.0.220.0080.00432.87
8.0.210.0070.00528.28
8.0.200.0050.00632.87
8.0.190.0110.00332.89
8.0.180.0070.00532.86
8.0.170.0100.00632.85
8.0.160.0100.00330.18
8.0.150.0160.00130.17
8.0.140.0090.00530.18
8.0.130.0100.00529.59
8.0.120.0110.00530.20
8.0.110.0090.00430.19
8.0.100.0090.00530.19
8.0.90.0120.00430.26
8.0.80.0130.00428.30
8.0.70.0080.00826.87
8.0.60.0100.00726.86
8.0.50.0120.00626.84
8.0.30.0080.00824.18
8.0.20.0110.00823.69
8.0.10.0110.00725.87
8.0.00.0080.00723.07
7.4.330.0070.00536.43
7.4.320.0120.00536.81
7.4.300.0090.00428.09
7.4.290.0120.00332.73
7.4.280.0110.00330.04
7.4.270.0120.00530.02
7.4.260.0110.00630.05
7.4.250.0180.00430.01
7.4.240.0120.00628.14
7.4.230.0140.00630.05
7.4.220.0160.00430.06
7.4.210.0160.00828.15
7.4.200.0150.00626.68
7.4.190.0150.00926.68
7.4.180.0140.00426.64
7.4.160.0120.00624.63
7.4.150.0140.00724.68
7.4.140.0120.00824.08
7.4.130.0140.00523.22
7.4.120.0150.00623.21
7.4.110.0130.00722.66
7.4.100.0120.00622.69
7.4.90.0110.00822.69
7.4.80.0140.00521.73
7.4.70.0120.00921.42
7.4.60.0090.01121.43
7.4.50.0090.01021.38
7.4.40.0100.00921.37
7.4.30.0110.00821.10
7.4.20.0120.00720.86
7.4.10.0100.00820.62
7.4.00.0100.00920.39
7.3.330.0120.00329.38
7.3.320.0120.00329.36
7.3.310.0140.00429.96
7.3.300.0120.00429.96
7.3.290.0090.00625.41
7.3.280.0130.00523.69
7.3.270.0120.00624.62
7.3.260.0130.00623.76
7.3.250.0100.00922.63
7.3.240.0110.00823.14
7.3.230.0120.00722.64
7.3.220.0130.00823.13
7.3.210.0120.00622.61
7.3.200.0130.00721.83
7.3.190.0100.00921.33
7.3.180.0130.00721.31
7.3.170.0130.00721.33
7.3.160.0130.00721.32
7.3.150.0130.00721.05
7.3.140.0130.00720.82
7.3.130.0120.00720.57
7.3.120.0100.00820.55
7.3.110.0110.00820.57
7.3.100.0110.00820.55
7.3.90.0130.00720.66
7.3.80.0100.00920.52
7.3.70.0110.00820.06
7.3.60.0100.00919.85
7.3.50.0110.00819.62
7.3.40.0110.00719.61
7.3.30.0110.00819.42
7.3.20.0140.00819.72
7.3.10.0150.00819.60
7.3.00.0190.00719.61
7.2.340.0160.00623.17
7.2.330.0130.00922.72
7.2.320.0150.00722.11
7.2.310.0130.00921.42
7.2.300.0130.00821.46
7.2.290.0140.00821.48
7.2.280.0140.00821.14
7.2.270.0140.00920.88
7.2.260.0130.00920.73
7.2.250.0140.00820.74
7.2.240.0150.00720.71
7.2.230.0140.00720.71
7.2.220.0140.00820.68
7.2.210.0130.01020.71
7.2.200.0150.00720.24
7.2.190.0120.00919.97
7.2.180.0140.00819.76
7.2.170.0130.00819.77
7.2.160.0120.00919.57
7.2.150.0180.00819.93
7.2.140.0180.00819.93
7.2.130.0180.00919.80
7.2.120.0200.00919.81
7.2.110.0190.00819.71
7.2.100.0210.00819.60
7.2.90.0220.00719.60
7.2.80.0200.00819.58
7.2.70.0310.00819.58
7.2.60.0200.00819.48
7.2.50.0170.00919.57
7.2.40.0260.00919.57
7.2.30.0210.00819.59
7.2.20.0200.00819.52
7.2.10.0190.00919.54
7.2.00.0190.00919.53
7.1.330.0160.00920.18
7.1.320.0160.00920.22
7.1.310.0150.00720.21
7.1.300.0150.00819.44
7.1.290.0160.00719.43
7.1.280.0170.00819.23
7.1.270.0170.00919.01
7.1.260.0180.00718.96
7.1.250.0200.00818.81
7.1.240.0230.00618.97
7.1.230.0220.00818.98
7.1.220.0240.00718.77
7.1.210.0240.00618.78
7.1.200.0230.00818.65
7.1.190.0230.00718.77
7.1.180.0240.00818.71
7.1.170.0220.00718.76
7.1.160.0240.00618.67
7.1.150.0220.00918.67
7.1.140.0250.00718.66
7.1.130.0240.00718.65
7.1.120.0240.00718.67
7.1.110.0230.00918.62
7.1.100.0230.00918.62
7.1.90.0250.00818.56
7.1.80.0230.00818.57
7.1.70.0240.00618.52
7.1.60.0210.00820.45
7.1.50.0220.00920.49
7.1.40.0240.00820.46
7.1.30.0240.00820.42
7.1.20.0220.00920.40
7.1.10.0220.00818.57
7.1.00.0240.00718.54
7.0.330.0310.00818.73
7.0.320.0240.00818.69
7.0.310.0270.00818.49
7.0.300.0240.00918.45
7.0.290.0280.00818.35
7.0.280.0250.00818.42
7.0.270.0260.00718.40
7.0.260.0260.00718.39
7.0.250.0260.01018.45
7.0.240.0270.00818.44
7.0.230.0280.00818.35
7.0.220.0280.00818.37
7.0.210.0250.00818.28
7.0.200.0280.00718.25
7.0.190.0250.00818.29
7.0.180.0220.00918.20
7.0.170.0400.00818.25
7.0.160.0260.00918.28
7.0.150.0270.00818.27
7.0.140.0220.00918.28
7.0.130.0280.00818.32
7.0.120.0260.00918.30
7.0.110.0260.00818.26
7.0.100.0220.00918.27
7.0.90.0260.00818.29
7.0.80.0240.00818.33
7.0.70.0260.00718.32
7.0.60.0260.00718.34
7.0.50.0220.00818.30
7.0.40.0220.00818.36
7.0.30.0240.00818.34
7.0.20.0250.00818.25
7.0.10.0240.00818.40
7.0.00.0220.00918.30
5.6.400.0170.01419.06
5.6.390.0180.01119.07
5.6.380.0170.01319.08
5.6.370.0180.01419.08
5.6.360.0180.01019.10
5.6.350.0160.01219.09
5.6.340.0160.01419.04
5.6.330.0170.01119.08
5.6.320.0180.01219.02
5.6.310.0170.01319.07
5.6.300.0170.01518.92
5.6.290.0160.01719.00
5.6.280.0150.01618.99
5.6.270.0160.01619.00
5.6.260.0170.01419.02
5.6.250.0160.01718.99
5.6.240.0160.01519.06
5.6.230.0170.01519.04
5.6.220.0160.01619.06
5.6.210.0150.01719.04
5.6.200.0150.01619.07
5.6.190.0180.01619.06
5.6.180.0180.01519.02
5.6.170.0150.01719.06
5.6.160.0150.01719.03
5.6.150.0170.01619.05
5.6.140.0160.01619.04
5.6.130.0150.01619.04
5.6.120.0140.01619.00
5.6.110.0150.01619.04
5.6.100.0140.01719.05
5.6.90.0140.01618.99
5.6.80.0160.01518.90
5.6.70.0150.01618.90
5.6.60.0170.01518.97
5.6.50.0170.01318.90
5.6.40.0180.01318.91
5.6.30.0160.01518.94
5.6.20.0140.01618.94
5.6.10.0180.01418.92
5.6.00.0190.01418.93
5.5.380.0160.01518.68
5.5.370.0160.01518.66
5.5.360.0170.01418.64
5.5.350.0170.01418.66
5.5.340.0180.01418.68
5.5.330.0180.01518.66
5.5.320.0160.01618.63
5.5.310.0170.01518.71
5.5.300.0160.01618.64
5.5.290.0190.01618.64
5.5.280.0190.01518.68
5.5.270.0180.01418.66
5.5.260.0170.01318.68
5.5.250.0170.01618.64
5.5.240.0170.01618.62
5.5.230.0170.01418.59
5.5.220.0180.01518.58
5.5.210.0180.01218.59
5.5.200.0180.01418.61
5.5.190.0170.01518.59
5.5.180.0160.01618.54
5.5.170.0170.01218.81
5.5.160.0180.01518.57
5.5.150.0160.01618.54
5.5.140.0160.01518.57
5.5.130.0170.01418.53
5.5.120.0160.01618.54
5.5.110.0170.01418.56
5.5.100.0180.01718.62
5.5.90.0170.01618.65
5.5.80.0160.01518.61
5.5.70.0160.01518.60
5.5.60.0160.01618.58
5.5.50.0160.01618.60
5.5.40.0170.01618.58
5.5.30.0160.01718.58
5.5.20.0140.01918.59
5.5.10.0160.01518.61
5.5.00.0170.01618.56

preferences:
66.2 ms | 400 KiB | 5 Q