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Veiga en 01:30 12 ene 2013
2013-01-12T01:30:42Z
<p></p>
<p><b>Página nueva</b></p><div>[[Category:Estructura da Linguaxe|03 - Comparacións]]<br />
<br />
Os operadores de comparación son usados para comparar valores e así poder tomar decisións.<br />
<TABLE BORDER=1 CELLPADDING=5 CELLSPACING=3><br />
<TR><br />
<TD><P CLASS="western"><FONT FACE="Verdana, sans-serif"><FONT SIZE=2 STYLE="font-size: 9pt"><B>Operador</B></FONT></FONT></P></TD><br />
<TD><P CLASS="western"><FONT FACE="Verdana, sans-serif"><FONT SIZE=2 STYLE="font-size: 9pt"><B>Nome</B></FONT></FONT></P></TD><br />
<TD><P CLASS="western"><FONT FACE="Verdana, sans-serif"><FONT SIZE=2 STYLE="font-size: 9pt"><B>Exemplo</B></FONT></FONT></P></TD><br />
<TD><P CLASS="western"><FONT FACE="Verdana, sans-serif"><FONT SIZE=2 STYLE="font-size: 9pt"><B>Devolve<br />
certo cando:</B></FONT></FONT></P></TD><br />
</TR><br />
<TR><br />
<TD><P CLASS="western" ALIGN=CENTER><FONT FACE="Verdana, sans-serif"><FONT SIZE=2 STYLE="font-size: 9pt">==</FONT></FONT></P></TD><br />
<TD><P CLASS="western"><FONT FACE="Verdana, sans-serif"><FONT SIZE=2 STYLE="font-size: 9pt">Igual</FONT></FONT></P></TD><br />
<TD><P CLASS="western" ALIGN=CENTER><FONT FACE="Verdana, sans-serif"><FONT SIZE=2 STYLE="font-size: 9pt">$a<br />
== $b</FONT></FONT></P></TD><br />
<TD><P CLASS="western"><FONT FACE="Verdana, sans-serif"><FONT SIZE=2 STYLE="font-size: 9pt">$a<br />
&eacute;</FONT></FONT><FONT FACE="Verdana, sans-serif"><FONT SIZE=2 STYLE="font-size: 9pt"> igual </FONT></FONT><FONT FACE="Verdana, sans-serif"><FONT SIZE=2 STYLE="font-size: 9pt">$b</FONT></FONT></P></TD><br />
</TR><br />
<TR><br />
<TD><P CLASS="western" ALIGN=CENTER><FONT FACE="Verdana, sans-serif"><FONT SIZE=2 STYLE="font-size: 9pt">!=</FONT></FONT></P></TD><br />
<TD><P CLASS="western"><FONT FACE="Verdana, sans-serif"><FONT SIZE=2 STYLE="font-size: 9pt">Distinto</FONT></FONT></P></TD><br />
<TD><P CLASS="western" ALIGN=CENTER><FONT FACE="Verdana, sans-serif"><FONT SIZE=2 STYLE="font-size: 9pt">$a<br />
!= $b</FONT></FONT></P></TD><br />
<TD><P CLASS="western"><FONT FACE="Verdana, sans-serif"><FONT SIZE=2 STYLE="font-size: 9pt">$a<br />
&eacute;</FONT></FONT><FONT FACE="Verdana, sans-serif"><FONT SIZE=2 STYLE="font-size: 9pt"> distinto </FONT></FONT><FONT FACE="Verdana, sans-serif"><FONT SIZE=2 STYLE="font-size: 9pt">$b</FONT></FONT></P></TD><br />
</TR><br />
<TR><br />
<TD><P CLASS="western" ALIGN=CENTER><FONT FACE="Verdana, sans-serif"><FONT SIZE=2 STYLE="font-size: 9pt">&lt;</FONT></FONT></P></TD><br />
<TD><P CLASS="western"><FONT FACE="Verdana, sans-serif"><FONT SIZE=2 STYLE="font-size: 9pt">Menor<br />
que</FONT></FONT></P></TD><br />
<TD><P CLASS="western" ALIGN=CENTER><FONT FACE="Verdana, sans-serif"><FONT SIZE=2 STYLE="font-size: 9pt">$a<br />
&lt; $b</FONT></FONT></P></TD><br />
<TD><P CLASS="western"><FONT FACE="Verdana, sans-serif"><FONT SIZE=2 STYLE="font-size: 9pt">$b<br />
a &eacute;</FONT></FONT><FONT FACE="Verdana, sans-serif"><FONT SIZE=2 STYLE="font-size: 9pt"> menor que </FONT></FONT><FONT FACE="Verdana, sans-serif"><FONT SIZE=2 STYLE="font-size: 9pt">$b</FONT></FONT></P></TD><br />
</TR><br />
<TR><br />
<TD><P CLASS="western" ALIGN=CENTER><FONT FACE="Verdana, sans-serif"><FONT SIZE=2 STYLE="font-size: 9pt">&gt;</FONT></FONT></P></TD><br />
<TD><P CLASS="western"><FONT FACE="Verdana, sans-serif"><FONT SIZE=2 STYLE="font-size: 9pt">Maior<br />
que</FONT></FONT></P></TD><br />
<TD><P CLASS="western" ALIGN=CENTER><FONT FACE="Verdana, sans-serif"><FONT SIZE=2 STYLE="font-size: 9pt">$a<br />
&gt; $b</FONT></FONT></P></TD><br />
<TD><P CLASS="western"><FONT FACE="Verdana, sans-serif"><FONT SIZE=2 STYLE="font-size: 9pt">$b<br />
a &eacute;</FONT></FONT><FONT FACE="Verdana, sans-serif"><FONT SIZE=2 STYLE="font-size: 9pt"> maior que </FONT></FONT><FONT FACE="Verdana, sans-serif"><FONT SIZE=2 STYLE="font-size: 9pt">$b</FONT></FONT></P></TD><br />
</TR><br />
<TR><br />
<TD><P CLASS="western" ALIGN=CENTER><FONT FACE="Verdana, sans-serif"><FONT SIZE=2 STYLE="font-size: 9pt">&lt;=</FONT></FONT></P></TD><br />
<TD><P CLASS="western"><FONT FACE="Verdana, sans-serif"><FONT SIZE=2 STYLE="font-size: 9pt">Menor<br />
ou igual</FONT></FONT></P></TD><br />
<TD><P CLASS="western" ALIGN=CENTER><FONT FACE="Verdana, sans-serif"><FONT SIZE=2 STYLE="font-size: 9pt">$a<br />
&lt;= $b</FONT></FONT></P></TD><br />
<TD><P CLASS="western"><FONT FACE="Verdana, sans-serif"><FONT SIZE=2 STYLE="font-size: 9pt">$a<br />
&eacute;</FONT></FONT><FONT FACE="Verdana, sans-serif"><FONT SIZE=2 STYLE="font-size: 9pt"> menor ou igual que </FONT></FONT><FONT FACE="Verdana, sans-serif"><FONT SIZE=2 STYLE="font-size: 9pt">$b</FONT></FONT></P></TD><br />
</TR><br />
<TR><br />
<TD><P CLASS="western" ALIGN=CENTER><FONT FACE="Verdana, sans-serif"><FONT SIZE=2 STYLE="font-size: 9pt">&gt;=</FONT></FONT></P></TD><br />
<TD><P CLASS="western"><FONT FACE="Verdana, sans-serif"><FONT SIZE=2 STYLE="font-size: 9pt">Maior<br />
ou igual</FONT></FONT></P></TD><br />
<TD><P CLASS="western" ALIGN=CENTER><FONT FACE="Verdana, sans-serif"><FONT SIZE=2 STYLE="font-size: 9pt">$a<br />
&gt;= $b</FONT></FONT></P></TD><br />
<TD><P CLASS="western"><FONT FACE="Verdana, sans-serif"><FONT SIZE=2 STYLE="font-size: 9pt">$a<br />
&eacute;</FONT></FONT><FONT FACE="Verdana, sans-serif"><FONT SIZE=2 STYLE="font-size: 9pt"> maior ou igual que </FONT></FONT><FONT FACE="Verdana, sans-serif"><FONT SIZE=2 STYLE="font-size: 9pt">$b</FONT></FONT></P></TD><br />
</TR><br />
</TABLE><br />
<br />
<source lang="php"><br />
<html> <br />
<head> <br />
<title>Exemplo de PHP</title> <br />
</head> <br />
<body> <br />
<?php <br />
$a = 8; <br />
$b = 3; <br />
$c = 3; <br />
echo "<p>a = 8</p>";<br />
echo "<p>b = 3</p>";<br />
echo "<p>c = 3</p>";<br />
echo "<p>'a' é igual a 'b' ? ---- ";<br />
echo $a == $b."</p> "; <br />
echo "<p>'a'' é distinto de 'b' ? ---- ";<br />
echo $a != $b."</p>";<br />
echo "<p>'a' é maior que 'b' ? ---- ";<br />
echo $a > $b."</p>";<br />
echo "<p>'a' é menor que 'b' ? ---- "; <br />
echo $a < $b."</p>";<br />
echo "<p>'a' é maior ou igual a 'c' ? ---- "; <br />
echo $a >= $c."</p>";<br />
echo "<p>'b' é menor ou igual a 'c' ? ---- "; <br />
echo $b <= $c."</p>"; <br />
?> <br />
</body> <br />
</html> <br />
</source><br />
<br />
<br />
--[[Usuario:Veiga|Rafael Veiga]] 11:13 10 feb 2009 (GMT)</div>
Veiga