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@ 2018-06-01T09:10:43Z

<?php

$array = array (
    // Sub-array 1
    array (
        // Story 'Monkey 1' - Has identical sub-sub-arrays 'Monkey 2' and 'Monkey 3' and will be merged with them.
        array (
            "header" => "This is a story about a monkey.",
            'keywords' => array( "Trees", "Monkey", "Flying", "Drink", "Vacation", "Coconut", "Big", "Bonobo", "Climbing")
        ),
        // Story 'Cat 1' - Has identical sub-sub-array 'Cat 2' and will be merged with it.
        array (
            "header" => "Here's a catarific story about a cat",
            'keywords' => array( "meauw", "raaaw", "kitty", "growup", "Fun", "claws", "fish", "salmon")
        )
    ),
    // Sub-array 2
    array ( 
        // Story 'Monkey 2' - Has identical sub-sub-arrays 'Monkey 1' and 'Monkey 3' and will be merged with them.
        array (
            "header" => "This is another, but different story, about a monkey.",
            'keywords' => array( "Monkey", "Big", "Trees", "Bonobo", "Fun", "Dance", "Cow", "Coconuts")
        ),
        // Story 'Cat 2' - Has identical sub-sub-array 'Cat 1' and will be merged with it.
        array (
            "header" => "Here's a different story about a cat",
            'keywords' => array( "meauwe", "ball", "cat", "kitten", "claws", "sleep", "fish", "purr")
        )
    ),
    // Sub-array 3
    array ( 
        // Story 'Monkey 3' - Has identical sub-sub-arrays 'Monkey 1' and 'Monkey 2' and will be merged with them.
        array (
            "header" => "This is a third story about a monkey.",
            'keywords' => array( "Jungle", "tree", "monkey", "Bonobo", "Fun", "Dance", "climbing", "Coconut", "pretty")
        ),
        // Story 'Fireman 1' - Has no identical sub-sub-arrays and will not be merged.
        array (
            "header" => "This is a story about a fireman",
            'keywords' => array( "fire", "explosion", "burning", "rescue", "happy", "help", "water", "car")
        )
    )
);

$new =[];
foreach($array as $subarr){
    $new = array_merge($new, $subarr);
}

var_dump($new);

Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 77) Position 1 = 3, Position 2 = 10
Branch analysis from position: 3
2 jumps found. (Code = 78) Position 1 = 4, Position 2 = 10
Branch analysis from position: 4
1 jumps found. (Code = 42) Position 1 = 3
Branch analysis from position: 3
Branch analysis from position: 10
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 10
filename:       /in/B8b38
function name:  (null)
number of ops:  15
compiled vars:  !0 = $array, !1 = $new, !2 = $subarr
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, <array>
   45     1        ASSIGN                                                   !1, <array>
   46     2      > FE_RESET_R                                       $5      !0, ->10
          3    > > FE_FETCH_R                                               $5, !2, ->10
   47     4    >   INIT_FCALL                                               'array_merge'
          5        SEND_VAR                                                 !1
          6        SEND_VAR                                                 !2
          7        DO_ICALL                                         $6      
          8        ASSIGN                                                   !1, $6
   46     9      > JMP                                                      ->3
         10    >   FE_FREE                                                  $5
   50    11        INIT_FCALL                                               'var_dump'
         12        SEND_VAR                                                 !1
         13        DO_ICALL                                                 
         14      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0

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164 ms | 1399 KiB | 17 Q