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(PECL ds >= 1.0.0)
Ds\Sequence::insert — Inserts values at a given index
Inserts values into the sequence at a given index.
index
The index at which to insert. 0 <= index <= count
注意:
You can insert at the index equal to the number of values.
values
The value or values to insert.
値を返しません。
OutOfRangeException if the index is not valid.
例1 Ds\Sequence::insert() example
<?php
$sequence = new \Ds\Vector();
$sequence->insert(0, "e"); // [e]
$sequence->insert(1, "f"); // [e, f]
$sequence->insert(2, "g"); // [e, f, g]
$sequence->insert(0, "a", "b"); // [a, b, e, f, g]
$sequence->insert(2, ...["c", "d"]); // [a, b, c, d, e, f, g]
var_dump($sequence);
?>
上の例の出力は、 たとえば以下のようになります。
object(Ds\Vector)#1 (7) { [0]=> string(1) "a" [1]=> string(1) "b" [2]=> string(1) "c" [3]=> string(1) "d" [4]=> string(1) "e" [5]=> string(1) "f" [6]=> string(1) "g" }