<!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>List of Reserved Words</title> </head> <body><div class="manualnavbar" style="text-align: center;"> <div class="prev" style="text-align: left; float: left;"><a href="aliases.html">List of Function Aliases</a></div> <div class="next" style="text-align: right; float: right;"><a href="reserved.keywords.html">List of Keywords</a></div> <div class="up"><a href="appendices.html">Appendices</a></div> <div class="home"><a href="index.html">PHP Manual</a></div> </div><hr /><div id="reserved" class="appendix"> <h1>List of Reserved Words</h1> <h2>Table of Contents</h2><ul class="chunklist chunklist_appendix"><li><a href="reserved.keywords.html">List of Keywords</a></li><li><a href="reserved.classes.html">Predefined Classes</a></li><li><a href="reserved.constants.html">Predefined Constants</a></li><li><a href="reserved.other-reserved-words.html">List of other reserved words</a></li></ul> <p class="para"> The following is a listing of predefined identifiers in PHP. None of the identifiers listed here should be used as identifiers in any of your scripts unless explicitly noted otherwise. These lists include keywords and predefined variables, constant, and class names. These lists are neither exhaustive nor complete. </p> </div> <hr /><div class="manualnavbar" style="text-align: center;"> <div class="prev" style="text-align: left; float: left;"><a href="aliases.html">List of Function Aliases</a></div> <div class="next" style="text-align: right; float: right;"><a href="reserved.keywords.html">List of Keywords</a></div> <div class="up"><a href="appendices.html">Appendices</a></div> <div class="home"><a href="index.html">PHP Manual</a></div> </div></body></html>