Mar 4, 2007 · If you assign, pass, or return an undefined variable by reference, it will get created. Example #1 Using references with undefined variables. <?
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It seems like PHP has problems with references, like that it can't work properly with circular references or free properly structure with more references. See ...
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References in PHP are a means to access the same variable content by different names. They are not like C pointers; for instance, you cannot perform pointer ...
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Language Reference · Basic syntax · PHP tags · Escaping from HTML · Types · Introduction · Type System · Variables · Basics · Predefined Variables · Constants.
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PHP (recursive acronym for PHP: Hypertext Preprocessor ) is a widely-used open source general-purpose scripting language that is especially suited for web ...
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An array can be created using the array() language construct. It takes any number of comma-separated key => value pairs as arguments. array( key => ...
Here we would like to show the very basics of PHP in a short, simple tutorial. This text only deals with dynamic web page creation with PHP, though PHP is ...
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PHP Manual ; Installation and Configuration · General Installation Considerations · Installation on Unix systems ; Language Reference · Basic syntax · Types ...
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What can PHP do? A simple tutorial · What do I need? Your first PHP-enabled page · Something Useful · Dealing with Forms · What's next?
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Let us do something more useful now. We are going to check what sort of browser the visitor is using. For that, we check the user agent string the browser ...