Using the search form to search for code consisting of the keyword 'array' would produce output similar to this:
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The argument is treated as a float and presented as a floating-point number (non-locale aware). Available as of PHP 5.0.3. General format. Let P equal the precision if nonzero, 6 if the precision is omitted, or 1 if the precision is zero. Then, if a conversion with style E would have an exponent of X: If P X ≥ −4, the conversion is.
Finally, the displaycode.php script is used to display the script contents. It looks like this:
Clicking on the first result produces output similar to the following:
I hope this tutorial sheds some insight into how you can not only use MySQL's fulltext search capabilities to perform powerful searches against your database, but also introduces some of PHP's interesting text-related functions (nl2br(), htmlentities(), and ucfirst(), to name a few). Of course, one could easily extend what was demonstrated here to implement far more powerful search capabilities, boolean searches for instance. Be sure to check out the MySQL manual for a complete accounting of what's possible!
About the Author![]()
W. Jason Gilmore is Apress' Open Source Editorial Director, and co-founder of IT Enlightenment. He's the author of several books, including the bestselling 'Beginning PHP and MySQL 5: Novice to Professional, Second Edition' (Apress, 2006. 913pp.). Jason loves receiving e-mail; so don't hesitate to write him at wjATwjgilmore.com.
Page 2 of 2 This article was originally published on April 11, 2007
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Notefails and produces anerror iftheSQL mode is enabled. In this case, the function cannotescape quote characters except by doubling them, and to dothis properly, it must know more information about thequoting context than is available. Instead, use,which takes an extra argument for specifying the quotingcontext.The mysql argument must be a valid, openconnection because character escaping depends on the characterset in use by the server.The string in the from argument is encodedto produce an escaped SQL string, taking into account thecurrent character set of the connection. The result is placedin the to argument, followed by aterminating null byte.Characters encoded are,', ',NUL (ASCII 0), n,r, and Control+Z. Strictly speaking, MySQLrequires only that backslash and the quote character used toquote the string in the query be escaped.quotes the other characters to make them easier to read in logfiles.
For comparison, see the quoting rules for literalstrings and the SQLfunction in, and.The string pointed to by from must belength bytes long. You must allocate theto buffer to be at leastlength.2+1 bytes long. (In the worst case,each character may need to be encoded as using two bytes, andthere must be room for the terminating null byte.) Whenreturns, the contents of to is anull-terminated string.
The return value is the length of theencoded string, not including the terminating null byte.If you must change the character set of the connection, usethefunction rather than executing a (or ) statement.works like but alsoaffects the character set used by,which does not.
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