reference/strings/functions/strlen.xml
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af30c6e8acc1e90b9c4a4f44539d4215d51370ab
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<refsect1 role="returnvalues">
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&reftitle.returnvalues;
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<para>
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The length of the <parameter>string</parameter> on success,
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and <literal>0</literal> if the <parameter>string</parameter> is empty.
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The length of the <parameter>string</parameter> in bytes.
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</para>
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</refsect1>
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@@ -61,11 +60,23 @@ echo strlen($str); // 7
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</para>
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</refsect1>
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<refsect1 role="notes">
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&reftitle.notes;
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<note>
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<para>
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<function>strlen</function> returns the number of bytes rather than the number
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of characters in a string.
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</para>
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</note>
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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>count</function></member>
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<member><function>grapheme_strlen</function></member>
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<member><function>iconv_strlen</function></member>
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<member><function>mb_strlen</function></member>
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</simplelist>
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</para>
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