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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On the post that says php4 automagically makes references, this appears to *not* apply to objects: http://www.php.net/manual/en/language.references.whatdo.php
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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 => ...
Problems? Runtime Configuration · Language Reference · Basic syntax · Types · Variables · Constants · Expressions · Operators · Control Structures · Functions ...
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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 ...
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 ...