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<td width="20%">[[Creating a Simple PHP Script|Previous]]<td align="center">[[PHP Essentials|Table of Contents]]<td width="20%" align="right">[[An Introduction to PHP Variables|Next]]</td>
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<td width="20%">Creating a Simple PHP Script<td align="center"><td width="20%" align="right">An Introduction to PHP Variables</td>
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<google>BUY_PHP</google>
When programming in any language the process of adding comments involves writing notes alongside the code to describe what the code does and how it works. The comments are ignored by the PHP pre-processor when executing a script and are purely for human consumption.