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Added docs for is_numeric().

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git-svn-id: https://svn.php.net/repository/phpdoc/en/trunk@22713 c90b9560-bf6c-de11-be94-00142212c4b1
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Andrei Zmievski 2000-04-12 21:35:48 +00:00
parent d94237396c
commit b7e9b2db68
1 changed files with 28 additions and 0 deletions
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28
functions/var.xml
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@ -318,6 +318,34 @@ if (!isset($var)) { // evaluates false
</refsect1>
</refentry>
<refentry id="function.is-numeric">
<refnamediv>
<refname>is_numeric</refname>
<refpurpose>Finds whether a variable is a number or a numeric string</refpurpose>
</refnamediv>
<refsect1>
<title>Description</title>
<funcsynopsis>
<funcdef>int <function>is_numeric</function></funcdef>
<paramdef>mixed <parameter>var</parameter></paramdef>
</funcsynopsis>
<para>
Returns true if <parameter>var</parameter> is a number or a
numeric string, false otherwise.
</para>
<para>
See also <function>is_double</function>,
<function>is_float</function>,
<function>is_int</function>,
<function>is_real</function>,
<function>is_string</function>,
<function>is_object</function>,
<function>is_array</function>, and
<function>is_integer</function>.
</para>
</refsect1>
</refentry>
<refentry id="function.is-object">
<refnamediv>
<refname>is_object</refname>