Code Examples -> array -- Create an array

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PHP Code Examples

Title :	array -- Create an array
Categories :	PHP, PHP Functions, Arrays	documentation group PHP
Date :	Apr 23rd 1999
Grade :	1 of 5 (graded 1 times)
Viewed :	6366
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Images :	No Images for this code example.

Search :	More code by documentation group PHP
Action :	Grade This Code Example
Tools :	My Examples List

Code

Description

</H2
><DIV
CLASS="funcsynopsis"
><A
NAME="AEN4997"
></A
><P
></P
><P
><CODE
><CODE
CLASS="FUNCDEF"
>array <B
CLASS="function"
>array</B
></CODE
> ([mixed
...])</CODE
></P
><P
></P
></DIV
><P
> Returns an array of the parameters. The parameters can be given
an index with the <TT
CLASS="literal"
>=></TT
> operator.
</P
><P
> <DIV
CLASS="note"
><BLOCKQUOTE
CLASS="note"
><P
><B
>Note: </B
>
<B
CLASS="function"
>Array()</B
> is a language construct used to
represent literal arrays, and not a regular
</P
></BLOCKQUOTE
></DIV
>
</P
><P
> Syntax "index => values", separated by commas, define index
and values. index may be of type string or numeric. When index is
omitted, a integer index is automatically generated, starting
at 0. If index is an integer, next generated index will
be the biggest integer index + 1. Note that when two identical
index are defined, the last overwrite the first.
</P
><P
> The following example demonstrates how to create a
two-dimensional array, how to specify keys for associative
arrays, and how to skip-and-continue numeric indices in normal
arrays.
<TABLE
WIDTH="100%"
BORDER="0"
CELLPADDING="0"
CELLSPACING="0"
CLASS="EXAMPLE"
><TR
><TD
><DIV
CLASS="example"
><A
NAME="AEN5012"
></A
><P
><B
>Example 1. <B
CLASS="function"
>Array()</B
> example</B
></P
><TABLE
BORDER="0"
BGCOLOR="#E0E0E0"
WIDTH="100%"
><TR
><TD
><PRE
CLASS="programlisting"
>$fruits = array (
"fruits" => array ("a"=>"orange", "b"=>"banana", "c"=>"apple"),
"numbers" => array (1, 2, 3, 4, 5, 6),
"holes" => array ("first", 5 => "second", "third")
);
</PRE
></TD
></TR
></TABLE
></DIV
></TD
></TR
></TABLE
>
</P
><P
> <TABLE
WIDTH="100%"
BORDER="0"
CELLPADDING="0"
CELLSPACING="0"
CLASS="EXAMPLE"
><TR
><TD
><DIV
CLASS="example"
><A
NAME="AEN5017"
></A
><P
><B
>Example 2. Automatic index with <B
CLASS="function"
>Array()</B
></B
></P
><TABLE
BORDER="0"
BGCOLOR="#E0E0E0"
WIDTH="100%"
><TR
><TD
><PRE
CLASS="programlisting"
>$array = array( 1, 1, 1, 1, 1, 8=>1, 4=>1, 19, 3=>13);
print_r($array);
</PRE
></TD
></TR
></TABLE
></DIV
></TD
></TR
></TABLE
>
which will display :
<DIV
CLASS="informalexample"
><A
NAME="AEN5021"
></A
><P
></P
><TABLE
BORDER="0"
BGCOLOR="#E0E0E0"
WIDTH="100%"
><TR
><TD
><PRE
CLASS="programlisting"
>Array
(
[0] => 1
[1] => 1
[2] => 1
[3] => 13
[4] => 1
[8] => 1
[9] => 19
)
</PRE
></TD
></TR
></TABLE
><P
></P
></DIV
>
Note that index '3' is defined twice, and keep its final value of 13.
Index 4 is defined after index 8, and next generated index (value 19)
is 9, since biggest index was 8.
</P
><P
> This example creates a 1-based array.
<TABLE
WIDTH="100%"
BORDER="0"
CELLPADDING="0"
CELLSPACING="0"
CLASS="EXAMPLE"
><TR
><TD
><DIV
CLASS="example"
><A
NAME="AEN5024"
></A
><P
><B
>Example 3. 1-based index with <B
CLASS="function"
>Array()</B
></B
></P
><TABLE
BORDER="0"
BGCOLOR="#E0E0E0"
WIDTH="100%"
><TR
><TD
><PRE
CLASS="programlisting"
> $firstquarter = array(1 => 'January', 'February', 'March');
print_r($firstquarter);
</PRE
></TD
></TR
></TABLE
></DIV
></TD
></TR
></TABLE
>
which will display :
<DIV
CLASS="informalexample"
><A
NAME="AEN5028"
></A
><P
></P
><TABLE
BORDER="0"
BGCOLOR="#E0E0E0"
WIDTH="100%"
><TR
><TD
><PRE
CLASS="programlisting"
>Array
(
[1] => 'January'
[2] => 'February'
[3] => 'March'
)
</PRE
></TD
></TR
></TABLE
><P
></P
></DIV
>
</P
><P
>

See also : <A
HREF="get_example.php3?Function=list"
><B
CLASS="function"
>list()</B
></A
>.

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User Comments

	ODeeN wrote : 10 `why is this an 2 dimensional array it seems to be an 3 dim ????????????????�`
	Boaz Yahav wrote :11 Wel, lets see : $fruits=> array "a"=>"orange","b"=>"banana","c"=>"apple") This is a one dimentional array right? to print a value you would do : print $fruits[a] and it would print orange now if you do : $fruits = array( "fruits" => array("a"=>"orange","b"=>"banana","c"=>"apple"), "numbers" => array(1, 2, 3, 4, 5, 6), "holes" => array("first", 5 => "second", "third") ); This will be a two dimentional array. To print a value you would do : print $fruits[numbers][1]; to get 2 or print $fruits[fruits][a]; to get orange berber