Rearranging Routines

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reshape

public static reshape($a, $newshape) : CArray

Gives a new shape to an array without changing its data.

Parameters

CArray|Array $a Input array.

CArray|Array $newshape The new shape should be compatible with the original shape. If an integer, then the result will be a 1-D array of that length.

Returns

CArray This will be a new view of $a if possible; otherwise, it will be a copy.

Examples

Example 1

$A = CArray::arange(8);
echo CArray::reshape($A, [2, 4]);

[[ 0  1  2  3 ]
 [ 4  5  6  7 ]]

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flip

public static flip($a) : CArray

Reverse the order of elements in an array

Parameters

CArray|Array $a Input array.

Returns

CArray A view of $a with the entries of axis reversed.

Examples

Example 1

$A = CArray::arange(8);
echo CArray::flip($A);

[ 7  6  5  4  3  2  1  0 ]