reference/filesystem/functions/fgets.xml
ea62fb83196997032641b50fe44420305466195e
ea62fb83196997032641b50fe44420305466195e
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<refsect1 role="description">
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&reftitle.description;
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<methodsynopsis>
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<type>string</type><methodname>fgets</methodname>
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<methodparam><type>resource</type><parameter>handle</parameter></methodparam>
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<methodparam choice="opt"><type>int</type><parameter>length</parameter></methodparam>
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<type class="union"><type>string</type><type>false</type></type><methodname>fgets</methodname>
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<methodparam><type>resource</type><parameter>stream</parameter></methodparam>
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<methodparam choice="opt"><type class="union"><type>int</type><type>null</type></type><parameter>length</parameter><initializer>&null;</initializer></methodparam>
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</methodsynopsis>
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<para>
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Gets a line from file pointer.
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<para>
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<variablelist>
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<varlistentry>
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<term><parameter>handle</parameter></term>
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<term><parameter>stream</parameter></term>
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<listitem>
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&fs.validfp.all;
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</listitem>
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&reftitle.returnvalues;
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<para>
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Returns a string of up to <parameter>length</parameter> - 1 bytes read from
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the file pointed to by <parameter>handle</parameter>. If there is no more data
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the file pointed to by <parameter>stream</parameter>. If there is no more data
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to read in the file pointer, then &false; is returned.
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</para>
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<para>
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<programlisting role="php">
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<![CDATA[
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<?php
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$handle = @fopen("/tmp/inputfile.txt", "r");
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if ($handle) {
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while (($buffer = fgets($handle, 4096)) !== false) {
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$fp = @fopen("/tmp/inputfile.txt", "r");
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if ($fp) {
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while (($buffer = fgets($fp, 4096)) !== false) {
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echo $buffer;
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}
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if (!feof($handle)) {
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if (!feof($fp)) {
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echo "Error: unexpected fgets() fail\n";
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}
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fclose($handle);
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fclose($fp);
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}
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?>
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]]>
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