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<h1>PHP/Toolbox#2</h1>
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In file No file:<H2> <A HREF="#DOC.DOCU">input_check</A></H2><H2>($name,  $attr,  $value="",  $key="")</H2><BLOCKQUOTE>Checks if specified variable is set.</BLOCKQUOTE>
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<H2>Documentation</H2>
<BLOCKQUOTE>Checks if specified variable is set.
<ul>
<li>	If empty, returns "".
<li>	Otherwise, if variable is a scalar, returns attr
when *any* value is assigned or matched to specified one.
<li>	Otherwise, (variable *is* an array) and key isn't specified,
returns attr when the value is in array.
<li>	Otherwise, (the key *is* specified),
checks if *any* value is assigned or matched to specified one.
</ul>
@access	private</BLOCKQUOTE>

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