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Get PHP class property by string

How do I get a property in a PHP based on a string? I'll call it magic . So what is magic ? 12 Answers ...
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Tips for debugging .htaccess rewrite rules

... and does what you intend with a fully range of test URIs. See regexpCheck.php below for a simple script that you can add to a private/test directory in your site to help you do this. I've kept this brief rather than pretty. Just past this into a file regexpCheck.php in a test directory to use it ...
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How to get the file extension in PHP? [duplicate]

... 'Only variables should be passed by reference', the PHP Manual – dader Dec 20 '12 at 2:01 ...
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What is the difference between is_a and instanceof?

... Update As of PHP 5.3.9, the functionality of is_a() has changed. The original answer below states that is_a() must accept an Object as the first argument, but PHP versions >= 5.3.9 now accept an optional third boolean argument $allow_s...
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PHP filesize MB/KB conversion [duplicate]

How can I convert the output of PHP's filesize() function to a nice format with MegaBytes, KiloBytes etc? 12 Answers ...
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(HTML) Download a PDF file instead of opening them in browser when clicked

... you will need to use a PHP script (or an other server side language for this) <?php // We'll be outputting a PDF header('Content-type: application/pdf'); // It will be called downloaded.pdf header('Content-Disposition: attachment; filename="do...
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PHP multidimensional array search by value

... or just use == instead ===. Based on angoru answer. In later versions of PHP (>= 5.5.0) you can use one-liner. $key = array_search('100', array_column($userdb, 'uid')); Here is documentation: http://php.net/manual/en/function.array-column.php. ...
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How can I prevent SQL injection in PHP?

... statements. This makes sure the statement and the values aren't parsed by PHP before sending it to the MySQL server (giving a possible attacker no chance to inject malicious SQL). Although you can set the charset in the options of the constructor, it's important to note that 'older' versions of PH...
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What is the difference between MySQL, MySQLi and PDO? [closed]

... There are (more than) three popular ways to use MySQL from PHP. This outlines some features/differences PHP: Choosing an API: (DEPRECATED) The mysql functions are procedural and use manual escaping. MySQLi is a replacement for the mysql functions, with object-oriented and procedur...
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get UTC time in PHP

How can I get UTC/GMT +/- time stamp using PHP's date() function? For example, if I try 12 Answers ...