PHP removes the specific array contents and rebuilds the array index. _php Tutorial

Copy CodeThe code is as follows:
$a = Array (' A ', ' B ', ' C ', ' d ');
Unset ($a [2]);
Print_r ($a);

But the biggest drawback of this approach is that the array index is not rebuilt.

After checking the information. PHP provides this functionality. It's just that it's indirect.

This function is Array_splice.

For ease of use. I encapsulated it as a function. Easy for everyone to use.
Copy CodeThe code is as follows:
Function Array_remove (& $arr, $offset) {
Array_splice ($arr, $offset, 1);
}
$a = Array (' A ', ' B ', ' C ', ' d ');
Array_remove ($a, 2);
Print_r ($a);

After testing you can know the location of the. 2 the element was actually deleted. and the index was re-established.

http://www.bkjia.com/PHPjc/323003.html www.bkjia.com true http://www.bkjia.com/PHPjc/323003.html techarticle Copy the code as follows: $a = array (' A ', ' B ', ' C ', ' d '); unset ($a [2]); Print_r ($a); however, the biggest disadvantage of this approach is that the array index is not rebuilt. After checking the information, the original PHP provides ...

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