File: send-var.xml

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<?xml version="1.0" encoding="utf-8"?>
<!-- $Revision: 324373 $ -->
<section xml:id="internals2.opcodes.send-var">
 <title>SEND_VAR</title>
 <section xml:id="internals2.opcodes.send-var.code">
  <title>PHP code</title>
  <programlisting role="php">
   <![CDATA[
<?php
/*
 * Pass the variable value as an actual parameter to a function.  DO_FCALL follows.
 * opcode number: 66
 */
$a = array(1,2,3);
if(is_array($a)){ return 0; }
?>
]]>
  </programlisting>
 </section>
 <section xml:id="internals2.opcodes.send-var.listing">
  <title>PHP opcodes</title>
  <simpara>Function name: (null)</simpara>
  <simpara>Compiled variables: !0=$a </simpara>
  <informaltable>
   <tgroup cols="7">
    <thead>
     <row>
      <entry>line</entry><entry>#</entry><entry>op</entry>
      <entry>fetch</entry><entry>ext</entry><entry>return</entry>
      <entry>operands</entry>
     </row>
    </thead>
    <tbody>
     <row>
      <entry>6</entry><entry>0</entry>
      <entry>INIT_ARRAY</entry><entry></entry>
      <entry></entry><entry>~0</entry>
      <entry>1</entry>
     </row>
     <row>
      <entry></entry><entry>1</entry>
      <entry>ADD_ARRAY_ELEMENT</entry><entry></entry>
      <entry></entry><entry>~0</entry>
      <entry>2</entry>
     </row>
     <row>
      <entry></entry><entry>2</entry>
      <entry>ADD_ARRAY_ELEMENT</entry><entry></entry>
      <entry></entry><entry>~0</entry>
      <entry>3</entry>
     </row>
     <row>
      <entry></entry><entry>3</entry>
      <entry>ASSIGN</entry><entry></entry>
      <entry></entry><entry></entry>
      <entry>!0,~0</entry>
     </row>
     <row>
      <entry>7</entry><entry>4</entry>
      <entry>SEND_VAR</entry><entry></entry>
      <entry></entry><entry></entry>
      <entry>!0</entry>
     </row>
     <row>
      <entry></entry><entry>5</entry>
      <entry>DO_FCALL</entry><entry></entry>
      <entry>1</entry><entry></entry>
      <entry>'is_array'</entry>
     </row>
     <row>
      <entry></entry><entry>6</entry>
      <entry>JMPZ</entry><entry></entry>
      <entry></entry><entry></entry>
      <entry>$2,->9</entry>
     </row>
     <row>
      <entry></entry><entry>7</entry>
      <entry>RETURN</entry><entry></entry>
      <entry></entry><entry></entry>
      <entry>0</entry>
     </row>
     <row>
      <entry></entry><entry>8</entry>
      <entry>JMP</entry><entry></entry>
      <entry></entry><entry></entry>
      <entry>->9</entry>
     </row>
     <row>
      <entry>8</entry><entry>9</entry>
      <entry>RETURN</entry><entry></entry>
      <entry></entry><entry></entry>
      <entry>1</entry>
     </row>
    </tbody>
   </tgroup>
  </informaltable>
 </section>
</section>