PHP combines 2 two-dimensional arrays into a two-dimensional array of 2 solutions _php Tutorial

Title: The following 2 two-dimensional arrays

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$a =array (0 = = Array (id = 66,class_name = www.iiwnet.com), 1 = = Array (id = = 67,class_name = Linux));
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$b =array (0 = = Array (class_count=> 8), 1 = = Array (Class_count = 2));
Two array contents as above, how to merge $ A and $b into a new two-dimensional array, requiring the contents of the new array as follows:

1
Array (0 = = Array (id = = 66,class_name = www.iiwnet.com,class_count=> 8), 1 = = Array (id = = 67,class_name = > Linux, Class_count = 2));
Someone must have met this topic. 2 solutions are given in the crowd today.
The following code is provided by PHP tutorial Network original
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Method One:
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function Arrpreg () {
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$a =array (0 = = Array (id = 66,class_name = www.iiwnet.com), 1 = = Array (id = = 67,class_name = Linux));
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$b =array (0 = = Array (class_count=> 8), 1 = = Array (Class_count = 2));
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$arr = Array ();
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foreach ($a as $k = = $r) {
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foreach ($r as $k 1 = $r 1) {
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$arr [$k] [$k 1] = $r 1;
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}
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}
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foreach ($b as $k = = $r) {
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foreach ($r as $k 1 = $r 1) {
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$arr [$k] [$k 1] = $r 1;
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}
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}
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return $arr;
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}
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$ar = Arrpreg ();
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Echo '

';
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     Print_r ($ar);
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    Echo '

';
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?>
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Method Two:
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$a = Array (0 = = Array (id = = 66,class_name = www.iiwnet.com), 1 = = Array (id = = 67,class_name = Linux));
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$b = Array (0 = = Array (class_count=> 8), 1 = = Array (Class_count = 2));
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$arr = Array ();
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foreach ($a as $k = = $r) {
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$arr [] = Array_merge ($r, $b [$k]);
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}
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Echo '

';
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    Print_r ($arr);
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    Echo '

';

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