<HTML ><HEAD ><TITLE >ctype_punct</TITLE ><META NAME="GENERATOR" CONTENT="Modular DocBook HTML Stylesheet Version 1.7"><LINK REL="HOME" TITLE="PHP Manual" HREF="index.html"><LINK REL="UP" TITLE="Character type functions" HREF="ref.ctype.html"><LINK REL="PREVIOUS" TITLE="ctype_print" HREF="function.ctype-print.html"><LINK REL="NEXT" TITLE="ctype_space" HREF="function.ctype-space.html"><META HTTP-EQUIV="Content-type" CONTENT="text/html; charset=ISO-8859-1"></HEAD ><BODY CLASS="refentry" BGCOLOR="#FFFFFF" TEXT="#000000" LINK="#0000FF" VLINK="#840084" ALINK="#0000FF" ><DIV CLASS="NAVHEADER" ><TABLE SUMMARY="Header navigation table" WIDTH="100%" BORDER="0" CELLPADDING="0" CELLSPACING="0" ><TR ><TH COLSPAN="3" ALIGN="center" >PHP Manual</TH ></TR ><TR ><TD WIDTH="10%" ALIGN="left" VALIGN="bottom" ><A HREF="function.ctype-print.html" ACCESSKEY="P" >Prev</A ></TD ><TD WIDTH="80%" ALIGN="center" VALIGN="bottom" ></TD ><TD WIDTH="10%" ALIGN="right" VALIGN="bottom" ><A HREF="function.ctype-space.html" ACCESSKEY="N" >Next</A ></TD ></TR ></TABLE ><HR ALIGN="LEFT" WIDTH="100%"></DIV ><H1 ><A NAME="function.ctype-punct" ></A >ctype_punct</H1 ><DIV CLASS="refnamediv" ><A NAME="AEN15649" ></A ><P > (PHP 4 >= 4.0.4)</P >ctype_punct -- Check for any printable character which is not whitespace or an alphanumeric character </DIV ><DIV CLASS="refsect1" ><A NAME="AEN15652" ></A ><H2 >Description</H2 >bool <B CLASS="methodname" >ctype_punct</B > ( string text)<BR ></BR ><P > Returns <TT CLASS="constant" ><B >TRUE</B ></TT > if every character in <TT CLASS="parameter" ><I >text</I ></TT > is printable, but neither letter, digit or blank, <TT CLASS="constant" ><B >FALSE</B ></TT > otherwise. </P ><P > See also <A HREF="function.ctype-cntrl.html" ><B CLASS="function" >ctype_cntrl()</B ></A >, <A HREF="function.ctype-graph.html" ><B CLASS="function" >ctype_graph()</B ></A >, and <B CLASS="function" >ctype_punct()</B >. </P ></DIV ><DIV CLASS="NAVFOOTER" ><HR ALIGN="LEFT" WIDTH="100%"><TABLE SUMMARY="Footer navigation table" WIDTH="100%" BORDER="0" CELLPADDING="0" CELLSPACING="0" ><TR ><TD WIDTH="33%" ALIGN="left" VALIGN="top" ><A HREF="function.ctype-print.html" ACCESSKEY="P" >Prev</A ></TD ><TD WIDTH="34%" ALIGN="center" VALIGN="top" ><A HREF="index.html" ACCESSKEY="H" >Home</A ></TD ><TD WIDTH="33%" ALIGN="right" VALIGN="top" ><A HREF="function.ctype-space.html" ACCESSKEY="N" >Next</A ></TD ></TR ><TR ><TD WIDTH="33%" ALIGN="left" VALIGN="top" >ctype_print</TD ><TD WIDTH="34%" ALIGN="center" VALIGN="top" ><A HREF="ref.ctype.html" ACCESSKEY="U" >Up</A ></TD ><TD WIDTH="33%" ALIGN="right" VALIGN="top" >ctype_space</TD ></TR ></TABLE ></DIV ></BODY ></HTML >