reference/posix/functions/posix-isatty.xml
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9c166423255b3d5e02f74232f2d05fd3b59d5d62
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&reftitle.description;
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<methodsynopsis>
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<type>bool</type><methodname>posix_isatty</methodname>
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<methodparam><type>mixed</type><parameter>fd</parameter></methodparam>
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<methodparam><type class="union"><type>resource</type><type>int</type></type><parameter>file_descriptor</parameter></methodparam>
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</methodsynopsis>
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<para>
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Determines if the file descriptor <parameter>fd</parameter> refers to a valid
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Determines if the file descriptor <parameter>file_descriptor</parameter> refers to a valid
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terminal type device.
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</para>
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</refsect1>
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<refsect1 role="returnvalues">
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&reftitle.returnvalues;
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<para>
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Returns &true; if <parameter>fd</parameter> is an open descriptor connected
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Returns &true; if <parameter>file_descriptor</parameter> is an open descriptor connected
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to a terminal and &false; otherwise.
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</para>
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</refsect1>
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<refsect1 role="changelog">
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&reftitle.changelog;
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<informaltable>
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<tgroup cols="2">
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<thead>
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<row>
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<entry>&Version;</entry>
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<entry>&Description;</entry>
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</row>
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</thead>
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<tbody>
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<row>
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<entry>8.3.0</entry>
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<entry>
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Type error <constant>E_WARNING</constant>s are now raised for integer
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coercions following the usual PHP type coercion semantics.
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</entry>
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</row>
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</tbody>
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</tgroup>
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</informaltable>
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</refsect1>
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<refsect1 role="seealso">
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&reftitle.seealso;
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<para>
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<simplelist>
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<member><function>posix_ttyname</function></member>
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<member><function>stream_isatty</function></member>
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</simplelist>
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</para>
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</refsect1>
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</refentry>
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<!-- Keep this comment at the end of the file
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Local variables:
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mode: sgml
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