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function.array-pad.html
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<HTML
><HEAD
><TITLE
>array_pad</TITLE
><META
NAME="GENERATOR"
CONTENT="Modular DocBook HTML Stylesheet Version 1.57"><LINK
REL="HOME"
TITLE="PHP Manual"
HREF="manual.html"><LINK
REL="UP"
TITLE="Array Functions"
HREF="ref.array.html"><LINK
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><BODY
CLASS="refentry"
BGCOLOR="#FFFFFF"
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LINK="#0000FF"
VLINK="#840084"
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><DIV
CLASS="NAVHEADER"
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BORDER="0"
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><HR
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><H1
><A
NAME="function.array-pad"
>array_pad</A
></H1
><DIV
CLASS="refnamediv"
><A
NAME="AEN4707"
></A
><P
> (PHP4 >= 4.0b4)</P
>array_pad --
Pad array to the specified length with a value
</DIV
><DIV
CLASS="refsect1"
><A
NAME="AEN4710"
></A
><H2
>Description</H2
><DIV
CLASS="funcsynopsis"
><A
NAME="AEN4712"
></A
><P
></P
><P
><CODE
><CODE
CLASS="FUNCDEF"
>array <B
CLASS="function"
>array_pad</B
></CODE
> (array input, int pad_size, mixed pad_value)</CODE
></P
><P
></P
></DIV
><P
> <B
CLASS="function"
>Array_pad()</B
> returns a copy of the
<TT
CLASS="parameter"
><I
>input</I
></TT
> padded to size specified by
<TT
CLASS="parameter"
><I
>pad_size</I
></TT
> with value
<TT
CLASS="parameter"
><I
>pad_value</I
></TT
>. If
<TT
CLASS="parameter"
><I
>pad_size</I
></TT
> is positive then the array is
padded on the right, if it's negative then on the left. If the
absolute value of <TT
CLASS="parameter"
><I
>pad_size</I
></TT
> is less than or
equal to the length of the <TT
CLASS="parameter"
><I
>input</I
></TT
> then no
padding takes place.
</P
><P
> <TABLE
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CLASS="EXAMPLE"
><TR
><TD
><DIV
CLASS="example"
><A
NAME="AEN4731"
></A
><P
><B
>Example 1. <B
CLASS="function"
>Array_pad()</B
> example</B
></P
><TABLE
BORDER="0"
BGCOLOR="#E0E0E0"
WIDTH="100%"
><TR
><TD
><PRE
CLASS="programlisting"
> $input = array (12, 10, 9);
$result = array_pad ($input, 5, 0);
// result is array (12, 10, 9, 0, 0)
$result = array_pad ($input, -7, -1);
// result is array (-1, -1, -1, -1, 12, 10, 9)
$result = array_pad ($input, 2, "noop");
// not padded
</PRE
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