<!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>CASE</title> </head> <body><div class="manualnavbar" style="text-align: center;"> <div class="prev" style="text-align: left; float: left;"><a href="internals2.opcodes.bw-xor.html">BW_XOR</a></div> <div class="next" style="text-align: right; float: right;"><a href="internals2.opcodes.cast.html">CAST</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.case" class="section"> <h2 class="title">CASE</h2> <div class="section" id="internals2.opcodes.case.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 /> * Set result to true if value1 equals value2. The value2 must be a constant value?<br /> * opcode number: 48<br /> */<br /></span><span style="color: #0000BB">$i</span><span style="color: #007700">=</span><span style="color: #0000BB">0</span><span style="color: #007700">;<br />switch (</span><span style="color: #0000BB">$i</span><span style="color: #007700">) {<br /> case </span><span style="color: #0000BB">0</span><span style="color: #007700">:<br /> echo </span><span style="color: #DD0000">"i=0"</span><span style="color: #007700">;<br /> break;<br /> case </span><span style="color: #0000BB">1</span><span style="color: #007700">:<br /> echo </span><span style="color: #DD0000">"i=1"</span><span style="color: #007700">;<br /> break;<br /> case </span><span style="color: #0000BB">2</span><span style="color: #007700">:<br /> echo </span><span style="color: #DD0000">"i=2"</span><span style="color: #007700">;<br /> break;<br />}<br /></span><span style="color: #0000BB">?></span> </span> </code></div> </div> </div> <div class="section" id="internals2.opcodes.case.listing"> <h2 class="title">PHP opcodes</h2> <p class="simpara">Function name: (null)</p> <p class="simpara">Compiled variables: !0=$i </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>ASSIGN</td><td class="empty"> </td> <td class="empty"> </td><td class="empty"> </td> <td>!0,0</td> </tr> <tr> <td>8</td><td>1</td> <td>CASE</td><td class="empty"> </td> <td class="empty"> </td><td>~1</td> <td>!0,0</td> </tr> <tr> <td class="empty"> </td><td>2</td> <td>JMPZ</td><td class="empty"> </td> <td class="empty"> </td><td class="empty"> </td> <td>~1,->6</td> </tr> <tr> <td>9</td><td>3</td> <td>ECHO</td><td class="empty"> </td> <td class="empty"> </td><td class="empty"> </td> <td>'i%3D0'</td> </tr> <tr> <td>10</td><td>4</td> <td>BRK</td><td class="empty"> </td> <td class="empty"> </td><td class="empty"> </td> <td>1</td> </tr> <tr> <td>11</td><td>5</td> <td>JMP</td><td class="empty"> </td> <td class="empty"> </td><td class="empty"> </td> <td>->8</td> </tr> <tr> <td class="empty"> </td><td>6</td> <td>CASE</td><td class="empty"> </td> <td class="empty"> </td><td>~1</td> <td>!0,1</td> </tr> <tr> <td class="empty"> </td><td>7</td> <td>JMPZ</td><td class="empty"> </td> <td class="empty"> </td><td class="empty"> </td> <td>~1,->11</td> </tr> <tr> <td>12</td><td>8</td> <td>ECHO</td><td class="empty"> </td> <td class="empty"> </td><td class="empty"> </td> <td>'i%3D1'</td> </tr> <tr> <td>13</td><td>9</td> <td>BRK</td><td class="empty"> </td> <td class="empty"> </td><td class="empty"> </td> <td>1</td> </tr> <tr> <td>14</td><td>10</td> <td>JMP</td><td class="empty"> </td> <td class="empty"> </td><td class="empty"> </td> <td>->13</td> </tr> <tr> <td class="empty"> </td><td>11</td> <td>CASE</td><td class="empty"> </td> <td class="empty"> </td><td>~1</td> <td>!0,2</td> </tr> <tr> <td class="empty"> </td><td>12</td> <td>JMPZ</td><td class="empty"> </td> <td class="empty"> </td><td class="empty"> </td> <td>~1,->16</td> </tr> <tr> <td>15</td><td>13</td> <td>ECHO</td><td class="empty"> </td> <td class="empty"> </td><td class="empty"> </td> <td>'i%3D2'</td> </tr> <tr> <td>16</td><td>14</td> <td>BRK</td><td class="empty"> </td> <td class="empty"> </td><td class="empty"> </td> <td>1</td> </tr> <tr> <td>17</td><td>15</td> <td>JMP</td><td class="empty"> </td> <td class="empty"> </td><td class="empty"> </td> <td>->16</td> </tr> <tr> <td>18</td><td>16</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.bw-xor.html">BW_XOR</a></div> <div class="next" style="text-align: right; float: right;"><a href="internals2.opcodes.cast.html">CAST</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>