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<td width="20%">[[PHP Operators|Previous]]<td align="center">[[PHP Essentials|Table of Contents]]<td width="20%" align="right">[[PHP Functions|Next]]</td>
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<td width="20%">PHP Operators<td align="center"><td width="20%" align="right">PHP Functions</td>
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<google>BUY_PHP</google>
One of the main reasons for using scripting languages such as PHP is to build logic and intelligence into the creation and deployment of web based data. In order to be able to build logic into PHP based scripts, it is necessary for the script to be able to make decisions and repeat tasks based on specified criteria.
