goba Sat Apr 13 05:59:01 2002 EDT
Modified files:
/phpdoc/en/language operators.xml
Log:
(double) is (float), moving precedence table to the more logical first place.
Index: phpdoc/en/language/operators.xml
diff -u phpdoc/en/language/operators.xml:1.32 phpdoc/en/language/operators.xml:1.33
--- phpdoc/en/language/operators.xml:1.32 Wed Feb 27 08:40:30 2002
+++ phpdoc/en/language/operators.xml Sat Apr 13 05:59:00 2002
@@ -1,10 +1,123 @@
<?xml version="1.0" encoding="iso-8859-1"?>
-<!-- $Revision: 1.32 $ -->
+<!-- $Revision: 1.33 $ -->
<chapter id="language.operators">
<title>Operators</title>
<simpara>
</simpara>
+ <sect1 id="language.operators.precedence">
+ <title>Operator Precedence</title>
+ <para>
+ The precedence of an operator specifies how "tightly" it binds two
+ expressions together. For example, in the expression <literal>1 +
+ 5 * 3</literal>, the answer is <literal>16</literal> and not
+ <literal>18</literal> because the multiplication ("*") operator
+ has a higher precedence than the addition ("+") operator.
+ Parentheses may be used to force precedence, if necessary. For
+ instance: <literal>(1 + 5) * 3</literal> evaluates to
+ <literal>18</literal>.
+ </para>
+ <para>
+ The following table lists the precedence of operators with the
+ lowest-precedence operators listed first.
+ <table>
+ <title>Operator Precedence</title>
+ <tgroup cols="2">
+ <thead>
+ <row>
+ <entry>Associativity</entry>
+ <entry>Operators</entry>
+ </row>
+ </thead>
+ <tbody>
+ <row>
+ <entry>left</entry>
+ <entry>,</entry>
+ </row>
+ <row>
+ <entry>left</entry>
+ <entry>or</entry>
+ </row>
+ <row>
+ <entry>left</entry>
+ <entry>xor</entry>
+ </row>
+ <row>
+ <entry>left</entry>
+ <entry>and</entry>
+ </row>
+ <row>
+ <entry>right</entry>
+ <entry>print</entry>
+ </row>
+ <row>
+ <entry>left</entry>
+ <entry>
+ = += -= *= /= .= %= &= |= ^= ~= <<= >>=
+ </entry>
+ </row>
+ <row>
+ <entry>left</entry>
+ <entry>? :</entry>
+ </row>
+ <row>
+ <entry>left</entry>
+ <entry>||</entry>
+ </row>
+ <row>
+ <entry>left</entry>
+ <entry>&&</entry>
+ </row>
+ <row>
+ <entry>left</entry>
+ <entry>|</entry>
+ </row>
+ <row>
+ <entry>left</entry>
+ <entry>^</entry>
+ </row>
+ <row>
+ <entry>left</entry>
+ <entry>&</entry>
+ </row>
+ <row>
+ <entry>non-associative</entry>
+ <entry>== != === !==</entry>
+ </row>
+ <row>
+ <entry>non-associative</entry>
+ <entry>< <= > >=</entry>
+ </row>
+ <row>
+ <entry>left</entry>
+ <entry><< >></entry>
+ </row>
+ <row>
+ <entry>left</entry>
+ <entry>+ - .</entry>
+ </row>
+ <row>
+ <entry>left</entry>
+ <entry>* / %</entry>
+ </row>
+ <row>
+ <entry>right</entry>
+ <entry>! ~ ++ -- (int) (float) (string) (array) (object) @</entry>
+ </row>
+ <row>
+ <entry>right</entry>
+ <entry>[</entry>
+ </row>
+ <row>
+ <entry>non-associative</entry>
+ <entry>new</entry>
+ </row>
+ </tbody>
+ </tgroup>
+ </table>
+ </para>
+ </sect1>
+
<sect1 id="language.operators.arithmetic">
<title>Arithmetic Operators</title>
<simpara>
@@ -495,119 +608,6 @@
<link linkend="language.operators.precedence">Operator
Precedence</link>.)
</simpara>
- </sect1>
-
- <sect1 id="language.operators.precedence">
- <title>Operator Precedence</title>
- <para>
- The precedence of an operator specifies how "tightly" it binds two
- expressions together. For example, in the expression <literal>1 +
- 5 * 3</literal>, the answer is <literal>16</literal> and not
- <literal>18</literal> because the multiplication ("*") operator
- has a higher precedence than the addition ("+") operator.
- Parentheses may be used to force precedence, if necessary. For
- instance: <literal>(1 + 5) * 3</literal> evaluates to
- <literal>18</literal>.
- </para>
- <para>
- The following table lists the precedence of operators with the
- lowest-precedence operators listed first.
- <table>
- <title>Operator Precedence</title>
- <tgroup cols="2">
- <thead>
- <row>
- <entry>Associativity</entry>
- <entry>Operators</entry>
- </row>
- </thead>
- <tbody>
- <row>
- <entry>left</entry>
- <entry>,</entry>
- </row>
- <row>
- <entry>left</entry>
- <entry>or</entry>
- </row>
- <row>
- <entry>left</entry>
- <entry>xor</entry>
- </row>
- <row>
- <entry>left</entry>
- <entry>and</entry>
- </row>
- <row>
- <entry>right</entry>
- <entry>print</entry>
- </row>
- <row>
- <entry>left</entry>
- <entry>
- = += -= *= /= .= %= &= |= ^= ~= <<= >>=
- </entry>
- </row>
- <row>
- <entry>left</entry>
- <entry>? :</entry>
- </row>
- <row>
- <entry>left</entry>
- <entry>||</entry>
- </row>
- <row>
- <entry>left</entry>
- <entry>&&</entry>
- </row>
- <row>
- <entry>left</entry>
- <entry>|</entry>
- </row>
- <row>
- <entry>left</entry>
- <entry>^</entry>
- </row>
- <row>
- <entry>left</entry>
- <entry>&</entry>
- </row>
- <row>
- <entry>non-associative</entry>
- <entry>== != === !==</entry>
- </row>
- <row>
- <entry>non-associative</entry>
- <entry>< <= > >=</entry>
- </row>
- <row>
- <entry>left</entry>
- <entry><< >></entry>
- </row>
- <row>
- <entry>left</entry>
- <entry>+ - .</entry>
- </row>
- <row>
- <entry>left</entry>
- <entry>* / %</entry>
- </row>
- <row>
- <entry>right</entry>
- <entry>! ~ ++ -- (int) (double) (string) (array) (object) @</entry>
- </row>
- <row>
- <entry>right</entry>
- <entry>[</entry>
- </row>
- <row>
- <entry>non-associative</entry>
- <entry>new</entry>
- </row>
- </tbody>
- </tgroup>
- </table>
- </para>
</sect1>
<sect1 id="language.operators.string">
