<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="content-type" content="text/html; charset=UTF-8">
<title>ADD_VAR</title>
</head>
<body><div class="manualnavbar" style="text-align: center;">
<div class="prev" style="text-align: left; float: left;"><a href="internals2.opcodes.add-string.html">ADD_STRING</a></div>
<div class="next" style="text-align: right; float: right;"><a href="internals2.opcodes.assign.html">ASSIGN</a></div>
<div class="up"><a href="internals2.opcodes.list.html">Opcode Descriptions and Examples</a></div>
<div class="home"><a href="index.html">PHP Manual</a></div>
</div><hr /><div id="internals2.opcodes.add-var" class="section">
<h2 class="title">ADD_VAR</h2>
<div class="section" id="internals2.opcodes.add-var.code">
<h2 class="title">PHP code</h2>
<div class="example-contents">
<div class="phpcode"><code><span style="color: #000000">
<span style="color: #0000BB"><?php<br /></span><span style="color: #FF8000">/*<br /> * add contents of variable in value2 to string value1 and store in result<br /> * opcode number: 56<br /> */<br /></span><span style="color: #007700">echo </span><span style="color: #DD0000">"hello</span><span style="color: #0000BB">$a</span><span style="color: #DD0000"> world"</span><span style="color: #007700">;<br /></span><span style="color: #0000BB">?></span>
</span>
</code></div>
</div>
</div>
<div class="section" id="internals2.opcodes.add-var.listing">
<h2 class="title">PHP opcodes</h2>
<p class="simpara">Function name: (null)</p>
<p class="simpara">Compiled variables: !0=$a </p>
<table class="doctable informaltable">
<thead>
<tr>
<th>line</th><th>#</th><th>op</th>
<th>fetch</th><th>ext</th><th>return</th>
<th>operands</th>
</tr>
</thead>
<tbody class="tbody">
<tr>
<td>6</td><td>0</td>
<td>ADD_STRING</td><td class="empty"> </td>
<td class="empty"> </td><td>~0</td>
<td>'hello'</td>
</tr>
<tr>
<td class="empty"> </td><td>1</td>
<td>ADD_VAR</td><td class="empty"> </td>
<td class="empty"> </td><td>~0</td>
<td>~0,!0</td>
</tr>
<tr>
<td class="empty"> </td><td>2</td>
<td>ADD_STRING</td><td class="empty"> </td>
<td class="empty"> </td><td>~0</td>
<td>~0,'+world'</td>
</tr>
<tr>
<td class="empty"> </td><td>3</td>
<td>ECHO</td><td class="empty"> </td>
<td class="empty"> </td><td class="empty"> </td>
<td>~0</td>
</tr>
<tr>
<td>7</td><td>4</td>
<td>RETURN</td><td class="empty"> </td>
<td class="empty"> </td><td class="empty"> </td>
<td>1</td>
</tr>
</tbody>
</table>
</div>
</div><hr /><div class="manualnavbar" style="text-align: center;">
<div class="prev" style="text-align: left; float: left;"><a href="internals2.opcodes.add-string.html">ADD_STRING</a></div>
<div class="next" style="text-align: right; float: right;"><a href="internals2.opcodes.assign.html">ASSIGN</a></div>
<div class="up"><a href="internals2.opcodes.list.html">Opcode Descriptions and Examples</a></div>
<div class="home"><a href="index.html">PHP Manual</a></div>
</div></body></html>
