如何将数组值拆分为新数组？ [重复]

Question

This question already has an answer here:

• How to “flatten” a multi-dimensional array to simple one in PHP? 21 answers

how to split received values of an array into a new array?

so from this:

[["+","+","+"],["-","+","+"],["*","+","+"],["\/","+","+"],

to this:

["+"],["+"],["+"],["-"],["+"],["+"],["*"],["+"],["+"],

can someone help me?

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Answer 1

Flatten your array by looping through it

$aFlattened = array();
foreach($aOriginalArray AS $aOperators){
   $aFlattened = array_merge($aFlattened, $aOperators);
}