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	<title>Helder A. Morais</title>
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	<description>Software Livre: Analista/Desenvolvedor</description>
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		<title>Helder A. Morais</title>
		<link>http://helderam.wordpress.com</link>
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		<item>
		<title>52 sites para crianças</title>
		<link>http://helderam.wordpress.com/2011/08/17/52-sites-para-criancas/</link>
		<comments>http://helderam.wordpress.com/2011/08/17/52-sites-para-criancas/#comments</comments>
		<pubDate>Wed, 17 Aug 2011 23:47:17 +0000</pubDate>
		<dc:creator>Helder Morais</dc:creator>
				<category><![CDATA[Família]]></category>

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		<description><![CDATA[52 Sites para Crianças<img alt="" border="0" src="http://stats.wordpress.com/b.gif?host=helderam.wordpress.com&amp;blog=1973760&amp;post=804&amp;subd=helderam&amp;ref=&amp;feed=1" width="1" height="1" />]]></description>
			<content:encoded><![CDATA[<p><a href="http://educarparacrescer.abril.com.br/comportamento/sites-educativos-504552.shtml"> 52 Sites para Crianças </a></p>
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		<title>Configurando Servidor Proxy SQUID</title>
		<link>http://helderam.wordpress.com/2011/05/14/configurando-servidor-proxy-squid/</link>
		<comments>http://helderam.wordpress.com/2011/05/14/configurando-servidor-proxy-squid/#comments</comments>
		<pubDate>Sat, 14 May 2011 10:49:31 +0000</pubDate>
		<dc:creator>Helder Morais</dc:creator>
				<category><![CDATA[Squid]]></category>

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		<description><![CDATA[Com o squid é possivel fazer um controle preciso do que os usuários podem acessar e tambem monitorar e levantar histórico do que foi acessado. O site oficial http://www.squid-cache.org/. Apos instalação, é preciso configurar o controle de acesso e criar os usuários: a) Editar o script de configuração do Squid, ajustando a parte de autenticação: [...]<img alt="" border="0" src="http://stats.wordpress.com/b.gif?host=helderam.wordpress.com&amp;blog=1973760&amp;post=798&amp;subd=helderam&amp;ref=&amp;feed=1" width="1" height="1" />]]></description>
			<content:encoded><![CDATA[<p>Com o squid é possivel fazer um controle preciso do que os usuários podem acessar e tambem monitorar e levantar histórico do que foi acessado.</p>
<p>O site oficial http://www.squid-cache.org/.</p>
<p>Apos instalação, é preciso configurar o controle de acesso e criar os usuários:</p>
<p>a) Editar o script de configuração do Squid, ajustando a parte de autenticação:<br />
# vi /etc/squid/squid.conf</p>
<p>auth_param basic program /usr/lib/squid/ncsa_auth /etc/squid/usuarios<br />
auth_param basic children 5<br />
auth_param basic realm Squid proxy-caching web server<br />
auth_param basic credentialsttl 2 hours</p>
<p>b) definir qual a ACL (Access Control List), que vai ser responsável pelo controle de autenticação:</p>
<p> acl all src 0.0.0.0/0.0.0.0<br />
acl manager proto cache_object<br />
acl localhost src 127.0.0.1/255.255.255.255<br />
acl to_localhost dst 127.0.0.0/8<br />
acl SSL_ports port 443      # https<br />
acl SSL_ports port 563      # snews<br />
acl SSL_ports port 873      # rsync<br />
acl Safe_ports port 80      # http<br />
acl Safe_ports port 21      # ftp<br />
acl Safe_ports port 443     # https<br />
acl Safe_ports port 70      # gopher<br />
acl Safe_ports port 210     # wais<br />
acl Safe_ports port 1025-65535  # unregistered ports<br />
acl Safe_ports port 280     # http-mgmt<br />
acl Safe_ports port 488     # gss-http<br />
acl Safe_ports port 591     # filemaker<br />
acl Safe_ports port 777     # multiling http<br />
acl Safe_ports port 631     # cups<br />
acl Safe_ports port 873     # rsync<br />
acl Safe_ports port 901     # SWAT<br />
acl purge method PURGE<br />
acl CONNECT method CONNECT</p>
<p>acl bloqueado url_regex -i &#8220;/etc/squid/bloqueado&#8221;<br />
acl download url_regex -i &#8220;/etc/squid/download&#8221;<br />
acl usuarios proxy_auth REQUIRED</p>
<p>c) habilitar o uso da ACL criada, fazendo assim com que todos que passem pelo Squid:</p>
<p>http_access deny bloqueado<br />
http_access deny download<br />
http_access allow usuarios</p>
<p>http_access allow manager localhost<br />
http_access deny manager<br />
http_access allow purge localhost<br />
http_access deny purge<br />
http_access deny !Safe_ports<br />
http_access deny CONNECT !SSL_ports</p>
<p>http_access allow localhost<br />
http_access deny all</p>
<p> icp_access allow all</p>
<p>d) Criar os usuario e senhas:</p>
<p>htpasswd -c /etc/squid/usuarios linus<br />
passwd linus<br />
New password:<br />
Re-type new password:<br />
Adding password for user linus</p>
<p>Nota-se que este comando cria o arquivo /etc/squid/passwd mediante ao parametro &#8220;-c&#8221;.</p>
<p>Para criar outros usuários retire a opção &#8220;-c&#8221;.</p>
<p>e) Reiniciar o serviço:<br />
$ sudo service squid restart</p>
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		<title>Protegido: TextPad</title>
		<link>http://helderam.wordpress.com/2011/03/21/textpad/</link>
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		<pubDate>Mon, 21 Mar 2011 23:40:11 +0000</pubDate>
		<dc:creator>Helder Morais</dc:creator>
				<category><![CDATA[Uncategorized]]></category>

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		<description><![CDATA[Não há Resumo por ser um post protegido.<img alt="" border="0" src="http://stats.wordpress.com/b.gif?host=helderam.wordpress.com&amp;blog=1973760&amp;post=792&amp;subd=helderam&amp;ref=&amp;feed=1" width="1" height="1" />]]></description>
			<content:encoded><![CDATA[<p>Este artigo está protegido por senha. Você deve visitar o site e usar sua senha para continuar a ler</p>
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		<title>Configurando sites para cada porta no apache2</title>
		<link>http://helderam.wordpress.com/2011/03/05/configurando-sites-para-cada-porta-no-apache2/</link>
		<comments>http://helderam.wordpress.com/2011/03/05/configurando-sites-para-cada-porta-no-apache2/#comments</comments>
		<pubDate>Sat, 05 Mar 2011 13:02:22 +0000</pubDate>
		<dc:creator>Helder Morais</dc:creator>
				<category><![CDATA[Apache]]></category>
		<category><![CDATA[PHP]]></category>

		<guid isPermaLink="false">http://helderam.wordpress.com/?p=788</guid>
		<description><![CDATA[Para que seja possivel um DOcumentRoot para cada sistema, utilizar servidores virtuais configurados no ports.conf: Temos dois sistemas em portas diferentes: Listen 80 Listen 4563 Listen 3000  NameVirtualHost *:80 NameVirtualHost *:4563 NameVirtualHost *:3000 &#60;VirtualHost *:4563&#62;     ServerName www.example80.com     DocumentRoot /home/xyz/php/ra &#60;/VirtualHost&#62; &#60; VirtualHost *:3000&#62;     ServerName www.example80.com     DocumentRoot /home/xyz/php/ra2 &#60;/VirtualHost&#62;<img alt="" border="0" src="http://stats.wordpress.com/b.gif?host=helderam.wordpress.com&amp;blog=1973760&amp;post=788&amp;subd=helderam&amp;ref=&amp;feed=1" width="1" height="1" />]]></description>
			<content:encoded><![CDATA[<p>Para que seja possivel um DOcumentRoot para cada sistema, utilizar servidores virtuais configurados no ports.conf:</p>
<p>Temos dois sistemas em portas diferentes:</p>
<blockquote><p>
Listen 80<br />
Listen 4563<br />
Listen 3000 </p>
<p>NameVirtualHost *:80<br />
NameVirtualHost *:4563<br />
NameVirtualHost *:3000</p>
<p>&lt;VirtualHost *:4563&gt;<br />
    ServerName www.example80.com<br />
    DocumentRoot /home/xyz/php/ra<br />
&lt;/VirtualHost&gt; &lt;</p>
<p>VirtualHost *:3000&gt;<br />
    ServerName www.example80.com    <br />
    DocumentRoot /home/xyz/php/ra2<br />
&lt;/VirtualHost&gt;</p>
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		<title>Configurando rede dyndns roteador ADSL velox</title>
		<link>http://helderam.wordpress.com/2011/02/27/configurando-rede-dyndns-roteador-adsl-velox/</link>
		<comments>http://helderam.wordpress.com/2011/02/27/configurando-rede-dyndns-roteador-adsl-velox/#comments</comments>
		<pubDate>Sun, 27 Feb 2011 23:59:19 +0000</pubDate>
		<dc:creator>Helder Morais</dc:creator>
				<category><![CDATA[Rede]]></category>

		<guid isPermaLink="false">http://helderam.wordpress.com/?p=778</guid>
		<description><![CDATA[O modem ADSL eh tambem roteador. Para comptarilhar internet porem eh preciso outro roteador com portas TP ou WIFI. Habilitar o NAT. Habilitar tambem o gateway para transferir as chamadas. Depois habilitar o Virtual Server para redirecionar as portas.<img alt="" border="0" src="http://stats.wordpress.com/b.gif?host=helderam.wordpress.com&amp;blog=1973760&amp;post=778&amp;subd=helderam&amp;ref=&amp;feed=1" width="1" height="1" />]]></description>
			<content:encoded><![CDATA[<p>O modem ADSL eh tambem roteador. Para comptarilhar internet porem eh preciso outro roteador com portas TP ou WIFI.</p>
<p>Habilitar o NAT. Habilitar tambem o gateway para transferir as chamadas. Depois habilitar o Virtual Server para redirecionar as portas.</p>

<a href='http://helderam.wordpress.com/2011/02/27/configurando-rede-dyndns-roteador-adsl-velox/nat/' title='NAT'><img data-attachment-id='779' data-orig-size='756,298' data-liked='0'width="150" height="59" src="http://helderam.files.wordpress.com/2011/02/nat.png?w=150&#038;h=59" class="attachment-thumbnail" alt="NAT" title="NAT" /></a>
<a href='http://helderam.wordpress.com/2011/02/27/configurando-rede-dyndns-roteador-adsl-velox/gateway-2/' title='Gateway'><img data-attachment-id='786' data-orig-size='532,521' data-liked='0'width="150" height="146" src="http://helderam.files.wordpress.com/2011/02/gateway1.png?w=150&#038;h=146" class="attachment-thumbnail" alt="Gateway" title="Gateway" /></a>
<a href='http://helderam.wordpress.com/2011/02/27/configurando-rede-dyndns-roteador-adsl-velox/virtual-server/' title='Virtual server'><img data-attachment-id='782' data-orig-size='541,439' data-liked='0'width="150" height="121" src="http://helderam.files.wordpress.com/2011/02/virtual-server.png?w=150&#038;h=121" class="attachment-thumbnail" alt="Virtual server" title="Virtual server" /></a>

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			<media:title type="html">helderam</media:title>
		</media:content>

		<media:content url="http://helderam.files.wordpress.com/2011/02/nat.png?w=150" medium="image">
			<media:title type="html">NAT</media:title>
		</media:content>

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			<media:title type="html">Gateway</media:title>
		</media:content>

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			<media:title type="html">Virtual server</media:title>
		</media:content>
	</item>
		<item>
		<title>Compramos uma câmera nova Finepix S2800HD da FujiFilm</title>
		<link>http://helderam.wordpress.com/2011/02/19/compramos-uma-camera-nova-finepix-s2800hd-da-fujifilm/</link>
		<comments>http://helderam.wordpress.com/2011/02/19/compramos-uma-camera-nova-finepix-s2800hd-da-fujifilm/#comments</comments>
		<pubDate>Sat, 19 Feb 2011 16:58:14 +0000</pubDate>
		<dc:creator>Helder Morais</dc:creator>
				<category><![CDATA[Lazer]]></category>

		<guid isPermaLink="false">http://helderam.wordpress.com/?p=774</guid>
		<description><![CDATA[Depois de pesquisar bastante, optamos por esta câmera semi-profissional. Pagamos 814 reais. 0RB10028<img alt="" border="0" src="http://stats.wordpress.com/b.gif?host=helderam.wordpress.com&amp;blog=1973760&amp;post=774&amp;subd=helderam&amp;ref=&amp;feed=1" width="1" height="1" />]]></description>
			<content:encoded><![CDATA[<p>Depois de pesquisar bastante, optamos por esta câmera semi-profissional.</p>
<p>Pagamos 814 reais. 0RB10028</p>
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		<item>
		<title>Atualizando iOS via download</title>
		<link>http://helderam.wordpress.com/2011/01/10/atualizando-ios-via-download/</link>
		<comments>http://helderam.wordpress.com/2011/01/10/atualizando-ios-via-download/#comments</comments>
		<pubDate>Mon, 10 Jan 2011 09:07:08 +0000</pubDate>
		<dc:creator>Helder Morais</dc:creator>
				<category><![CDATA[iPhone]]></category>

		<guid isPermaLink="false">http://helderam.wordpress.com/?p=772</guid>
		<description><![CDATA[Apos fazer o download, abrir o iTunes e escolher o iPhone. Clicar em Atualizar enquanto segura a tecla shift. http://www.blogsdna.com/10999/how-to-manually-update-ios-4-0-on-iphoneipod-touch-now.htm<img alt="" border="0" src="http://stats.wordpress.com/b.gif?host=helderam.wordpress.com&amp;blog=1973760&amp;post=772&amp;subd=helderam&amp;ref=&amp;feed=1" width="1" height="1" />]]></description>
			<content:encoded><![CDATA[<p>Apos fazer o download, abrir o iTunes e escolher o iPhone. Clicar em Atualizar enquanto segura a tecla shift.</p>
<p>http://www.blogsdna.com/10999/how-to-manually-update-ios-4-0-on-iphoneipod-touch-now.htm</p>
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		<title>Os números de 2010</title>
		<link>http://helderam.wordpress.com/2011/01/02/os-numeros-de-2010/</link>
		<comments>http://helderam.wordpress.com/2011/01/02/os-numeros-de-2010/#comments</comments>
		<pubDate>Sun, 02 Jan 2011 12:33:10 +0000</pubDate>
		<dc:creator>Helder Morais</dc:creator>
				<category><![CDATA[Uncategorized]]></category>

		<guid isPermaLink="false">http://helderam.wordpress.com/?p=769</guid>
		<description><![CDATA[Os duendes das estatísticas do WordPress.com analisaram o desempenho deste blog em 2010 e apresentam-lhe aqui um resumo de alto nível da saúde do seu blog: O Blog-Health-o-Meter&#8482; indica: Este blog é fantástico!. Números apetitosos Um duende das estatísticas pintou esta imagem abstracta, com base nos seus dados. Um navio de carga médio pode transportar [...]<img alt="" border="0" src="http://stats.wordpress.com/b.gif?host=helderam.wordpress.com&amp;blog=1973760&amp;post=769&amp;subd=helderam&amp;ref=&amp;feed=1" width="1" height="1" />]]></description>
			<content:encoded><![CDATA[
<p>Os duendes das estatísticas do WordPress.com analisaram o desempenho deste blog em 2010 e apresentam-lhe aqui um resumo de alto nível da saúde do seu blog:</p>
<p align="center"><img style="border:1px solid #ddd;background:#f5f5f5;padding:20px;" src="http://s0.wp.com/i/annual-recap/meter-healthy2.gif" width="250" height="183" alt="Healthy blog!"></p>
<p align="center">O <em>Blog-Health-o-Meter&trade;</em> indica: Este blog é fantástico!.</p>
<h2>Números apetitosos</h2>
<div style="width:288px;float:right;border:1px solid #ddd;background:#fff;margin:0 0 1em 1em;padding:6px;">
<p>				<img src="http://s0.wp.com/i/annual-recap/abstract-stats-6.png" alt="Featured image" /><br />
				<br /><em>Um duende das estatísticas pintou esta imagem abstracta, com base nos seus dados.</em></p></div>
<p>Um navio de carga médio pode transportar cerca de 4.500 contentores. Este blog foi visitado <strong>15,000</strong> vezes em 2010.  Se cada visita fosse um contentor, o seu blog enchia cerca de 3 navios.</p>
<p>
<p>Em 2010, escreveu <strong>30</strong> novo artigo, aumentando o arquivo total do seu blog para 146 artigos. Fez <em>upload</em> de <strong>1</strong> imagem, ocupando um total de 275kb. </p>
<p>O seu dia mais activo do ano foi  19 de maio com <strong>112</strong> visitas. O artigo mais popular desse dia foi  <a style="color:#08c;" href="http://helderam.wordpress.com/2010/04/12/ativar-trace-de-uma-sessao-no-oracle/">Ativar Trace de uma Sessão no Oracle</a>.</p>
<p></p>
<h2>De onde vieram?</h2>
<p>Os sites que mais tráfego lhe enviaram em 2010 foram <strong>google.com.br</strong>, <strong>search.conduit.com</strong>, <strong>pt-br.wordpress.com</strong>, <strong>ubuntuforum-br.org</strong> e <strong>google.pt</strong></p>
<p>Alguns visitantes vieram dos motores de busca, sobretudo por <strong>campos do jordão</strong>, <strong>freses</strong>, <strong>squid para windows</strong>, <strong>matroska para avi</strong> e <strong>caipicerva</strong></p>
<div style="clear:both;"></div>
<h2>Atracções em 2010</h2>
<p>Estes são os artigos e páginas mais visitados em 2010.</p>
<div style="clear:left;float:left;font-size:24pt;line-height:1em;margin:-5px 10px 20px 0;">1</div>
<p>					<a style="margin-right:10px;" href="http://helderam.wordpress.com/2010/04/12/ativar-trace-de-uma-sessao-no-oracle/">Ativar Trace de uma Sessão no Oracle</a> <span style="color:#999;font-size:8pt;">abril, 2010</span>											</p>
<div style="clear:left;float:left;font-size:24pt;line-height:1em;margin:-5px 10px 20px 0;">2</div>
<p>					<a style="margin-right:10px;" href="http://helderam.wordpress.com/2009/03/18/squid-no-windows-xp/">Squid no windows xp ou OpenDNS para controlar acesso a sites impróprios</a> <span style="color:#999;font-size:8pt;">março, 2009</span>											</p>
<div style="clear:left;float:left;font-size:24pt;line-height:1em;margin:-5px 10px 20px 0;">3</div>
<p>					<a style="margin-right:10px;" href="http://helderam.wordpress.com/2009/05/28/resumo-dba-oracle-11/">Resumo DBA Oracle 11g</a> <span style="color:#999;font-size:8pt;">maio, 2009</span>											</p>
<div style="clear:left;float:left;font-size:24pt;line-height:1em;margin:-5px 10px 20px 0;">4</div>
<p>					<a style="margin-right:10px;" href="http://helderam.wordpress.com/2009/04/23/asterisk-gravando-ligacoes-no-mysql/">Asterisk gravando ligações no MySQL</a> <span style="color:#999;font-size:8pt;">abril, 2009</span><br />1 comentário											</p>
<div style="clear:left;float:left;font-size:24pt;line-height:1em;margin:-5px 10px 20px 0;">5</div>
<p>					<a style="margin-right:10px;" href="http://helderam.wordpress.com/2008/12/28/openldap-no-ubuntu/">OpenLDAP no Ubuntu 8.10 Server e Client</a> <span style="color:#999;font-size:8pt;">dezembro, 2008</span>											</p>
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			<media:title type="html">helderam</media:title>
		</media:content>

		<media:content url="http://s0.wp.com/i/annual-recap/meter-healthy2.gif" medium="image">
			<media:title type="html">Healthy blog!</media:title>
		</media:content>

		<media:content url="http://s0.wp.com/i/annual-recap/abstract-stats-6.png" medium="image">
			<media:title type="html">Featured image</media:title>
		</media:content>
	</item>
		<item>
		<title>Monitorando rede em PHP com Net Ping</title>
		<link>http://helderam.wordpress.com/2010/12/16/monitorando-rede-em-php-com-net-ping/</link>
		<comments>http://helderam.wordpress.com/2010/12/16/monitorando-rede-em-php-com-net-ping/#comments</comments>
		<pubDate>Thu, 16 Dec 2010 08:26:52 +0000</pubDate>
		<dc:creator>Helder Morais</dc:creator>
				<category><![CDATA[PHP]]></category>
		<category><![CDATA[Ping]]></category>

		<guid isPermaLink="false">http://helderam.wordpress.com/?p=763</guid>
		<description><![CDATA[Rede de comunicaçao entre os servidores e computadores e algo que sempre apresenta problemas, seja de lentidao ou seja de interrupçao. Monitorar a rede eh indispensavel. Uma forma de fazer isto e coletar estatisticas periodicas dos servidores e armazenar para futuras consultas. &#160; Em PHP temos uma classe que faz uso do PING para saber [...]<img alt="" border="0" src="http://stats.wordpress.com/b.gif?host=helderam.wordpress.com&amp;blog=1973760&amp;post=763&amp;subd=helderam&amp;ref=&amp;feed=1" width="1" height="1" />]]></description>
			<content:encoded><![CDATA[<p>Rede de comunicaçao entre os servidores e computadores e algo que sempre apresenta problemas, seja de lentidao ou seja de interrupçao.</p>
<p>Monitorar a rede eh indispensavel. Uma forma de fazer isto e coletar estatisticas periodicas dos servidores e armazenar para futuras consultas.</p>
<p>&nbsp;</p>
<p>Em PHP temos uma classe que faz uso do PING para saber se o servidor esta respondendo ou nao.</p>
<pre>
&lt;?php

// include class
require ("Net/Ping.php");

echo "&lt;pre&gt;";

// create object
$ping = Net_Ping::factory();

// ping host and display response
if (!PEAR::isError($ping)) {
    $ips = array('192.168.0.1', '192.168.0.2', '192.168.0.3', '192.168.0.10', '192.168.1.1', '192.168.0.1', 'www.google.com');
    foreach ($ips as $ip) {
        echo date('H:i:s');
        echo " ".$ip."&lt;br&gt;";
        $response = $ping-&gt;ping($ip);
        #var_dump($response);
        var_dump($response-&gt;_transmitted);
        var_dump($response-&gt;_round_trip);
        echo date('H:i:s');
        echo "&lt;hr&gt;";
    }
}
exit;
?&gt;
</pre>
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		<title>Codigo PHP para inverter uma frase</title>
		<link>http://helderam.wordpress.com/2010/12/09/codigo-php-para-inverter-uma-frase/</link>
		<comments>http://helderam.wordpress.com/2010/12/09/codigo-php-para-inverter-uma-frase/#comments</comments>
		<pubDate>Thu, 09 Dec 2010 22:36:11 +0000</pubDate>
		<dc:creator>Helder Morais</dc:creator>
				<category><![CDATA[PHP]]></category>

		<guid isPermaLink="false">http://helderam.wordpress.com/?p=760</guid>
		<description><![CDATA[Codigo em PHP para inverter uma frase. &#60;?php $endereco = ''; if (isset($_POST['link'])) {     $link = $_POST['link'];     $tamanho = strlen($link);     var_dump($_POST['link']);     var_dump($tamanho);     for ($i = 0; $i &#60; $tamanho; $i++) {         $c = substr($link, $i, 1);         $endereco = $c . $endereco;     } } [...]<img alt="" border="0" src="http://stats.wordpress.com/b.gif?host=helderam.wordpress.com&amp;blog=1973760&amp;post=760&amp;subd=helderam&amp;ref=&amp;feed=1" width="1" height="1" />]]></description>
			<content:encoded><![CDATA[<p>Codigo em PHP para inverter uma frase.</p>
<pre>
&lt;?php
$endereco = '';
if (isset($_POST['link'])) {
    $link = $_POST['link'];    
    $tamanho = strlen($link);    
    var_dump($_POST['link']);    
    var_dump($tamanho);    
    for ($i = 0; $i &lt; $tamanho; $i++) {        
       $c = substr($link, $i, 1);        
       $endereco = $c . $endereco;    
    }
}
?&gt;
&lt;html&gt;    
&lt;body&gt;        
&lt;form action="inverte.php" method="POST"&gt;
            Entre com o link            
&lt;input type="text" name="link"&gt;  
          &lt;input type="submit" value="Enviar"&gt;
        &lt;/form&gt;    
    Endereco:        
&lt;?php echo $endereco ?&gt;    
&lt;/body&gt;
&lt;/html&gt;
<form action="inverte.php" method="POST">
            Entre com o link</form>

        Endereco:
        <!--?php echo $endereco ?-->
</pre>
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