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php Programming Glossary: becauseWarning: mysql_fetch_* expects parameter 1 to be resource, boolean given error [duplicate] http://stackoverflow.com/questions/11674312/warning-mysql-fetch-expects-parameter-1-to-be-resource-boolean-given-error it to mysql_fetch_array . You'll find that it's false because the query failed. See the mysql_query documentation for possible..
Reference - What does this error mean in PHP? http://stackoverflow.com/questions/12769982/reference-what-does-this-error-mean-in-php case. These answers do not add any value to the site because they only apply to the OP's particular code. Other users having.. the same error can not easily read the solution out of it because they are too localized. That is sad because once you understood.. out of it because they are too localized. That is sad because once you understood the root cause fixing the error is trivial...
Are PHP short tags acceptable to use? http://stackoverflow.com/questions/200640/are-php-short-tags-acceptable-to-use share improve this question They're not recommended because it's a PITA if you ever have to move your code to a server where..
Using a regular expression to validate an email address http://stackoverflow.com/questions/201323/using-a-regular-expression-to-validate-an-email-address perfectly valid e mail address is invalid a false positive because your regular expression can't handle it is just rude and impolite..
Robust and Mature HTML Parser for PHP [duplicate] http://stackoverflow.com/questions/292926/robust-and-mature-html-parser-for-php need to parse broken HTML don't even consider SimpleXml because it will choke. A basic usage example can be found at A simple.. DOM libxml is that you get good performance out of the box because you are based on a native extension. However not all 3rd party..
mysql_fetch_array() expects parameter 1 to be resource, boolean given in select http://stackoverflow.com/questions/2973202/mysql-fetch-array-expects-parameter-1-to-be-resource-boolean-given-in-select it to mysql_fetch_array . You'll find that it's false because the query failed. See the mysql_query documentation for possible..
How do you parse and process HTML/XML in PHP? http://stackoverflow.com/questions/3577641/how-do-you-parse-and-process-html-xml-in-php need to parse broken HTML don't even consider SimpleXml because it will choke. A basic usage example can be found at A simple.. DOM libxml is that you get good performance out of the box because you are based on a native extension. However not all 3rd party..
Reference - What does this symbol mean in PHP? http://stackoverflow.com/questions/3737139/reference-what-does-this-symbol-mean-in-php should I do here If you have been pointed here by someone because you have asked such a question please find the particular syntax..
PHP: “Notice: Undefined variable” and “Notice: Undefined index” http://stackoverflow.com/questions/4261133/php-notice-undefined-variable-and-notice-undefined-index the issue over and over again. I feel this is necessary because most real world answers on this issue are very specific. Related..
How do I expire a PHP session after 30 minutes? http://stackoverflow.com/questions/520237/how-do-i-expire-a-php-session-after-30-minutes while the session itself is still considered as valid because the session data was not updated recently. And second session.cookie_lifetime..
How should a model be structured in MVC? http://stackoverflow.com/questions/5863870/how-should-a-model-be-structured-in-mvc answer was written when I begun to learn otherwise because most of frameworks perpetuate this misconception. Neither is.. not think of this example as directly related to one above because a part of the authentication process it should happen right.. that I see is that this would be a really strange library because it would return you information from the book but not let you..
How to get useful error messages in PHP? http://stackoverflow.com/questions/845021/how-to-get-useful-error-messages-in-php display in the php.ini. By default these are turned off because you don't want a customer seeing the error messages. Check this..
http://stackoverflow.com/questions/10057671/how-foreach-actually-works array array has is_ref 1 now foreach array as val ... Why Because any change of the array should also propagate to the reference..
Highlight row when the checkbox is true http://stackoverflow.com/questions/10529955/highlight-row-when-the-checkbox-is-true highlighted rows. The corresponding demo you can find here Because in your demo you need just highlight and not select the rows..
How to successfully rewrite old mysql-php code with deprecated mysql_* functions? http://stackoverflow.com/questions/10919277/how-to-successfully-rewrite-old-mysql-php-code-with-deprecated-mysql-functions correctly without damading all connection to database. Because in rest of my code not mentioned here I can easily choose database..
Use global variables in a class http://stackoverflow.com/questions/11923272/use-global-variables-in-a-class without checking the database and or the result. Update Because the fact that from my answer sprung a discussion about why I.. it tightly coupled the DB_MySQL class to the method class. Because of this it is also impossible now properly unit test the Paginator.. impossible now properly unit test the Paginator class. Because instead of testing only the unit the Paginator class you are..
Ping site and return result in PHP http://stackoverflow.com/questions/1239068/ping-site-and-return-result-in-php grabbed from this post on how to check if a URL exists. Because Twitter should provide an error message above 300 when it is..
Simplest PHP example for retrieving user_timeline with Twitter API version 1.1 http://stackoverflow.com/questions/12916539/simplest-php-example-for-retrieving-user-timeline-with-twitter-api-version-1-1 for retrieving user_timeline with Twitter API version 1.1 Because of the Twitter API 1.0 retirement as of June 11th 2013 the script..
How can I store my users' passwords safely? http://stackoverflow.com/questions/1581610/how-can-i-store-my-users-passwords-safely storage scheme secure is by using a standard library . Because security tends to be a lot more complicated and with more invisible..
Reference: all basic ways to sort arrays and data in PHP http://stackoverflow.com/questions/17364127/reference-all-basic-ways-to-sort-arrays-and-data-in-php the way smaller elements bubble to the top of the list. Because it only uses comparisons to operate on elements it is a comparison..
Opening/closing tags & performance? http://stackoverflow.com/questions/2437144/opening-closing-tags-performance It is advised for the newbies not to take it into account. Because they are always impressed with trifle things and fail to see.. . You'd never notice or even measure this speed increase. Because you optimized a part that take only 0 01 of whole script runtime...
Sort an array based on another array? http://stackoverflow.com/questions/348410/sort-an-array-based-on-another-array sortArrayByArray customer array 'name' 'dob' 'address' Because at the end I use a foreach and they're not in the right order..
http://stackoverflow.com/questions/3726721/php-math-precision floating accuracy share improve this question Because floating point arithmetic real number arithmetic. An illustration..
Insert/update helper function using PDO http://stackoverflow.com/questions/3773406/insert-update-helper-function-using-pdo it can be easy enough to be used as an answer here on SO. Because in the every topic we can see prepared statements usage recommendation..
How do you use bcrypt for hashing passwords in PHP? http://stackoverflow.com/questions/4795385/how-do-you-use-bcrypt-for-hashing-passwords-in-php no state can be precomputed without the knowledge of both. Because of this key difference bcrypt is a one way hashing algorithm...
Pulling Track Info From an Audio Stream Using PHP http://stackoverflow.com/questions/4911062/pulling-track-info-from-an-audio-stream-using-php to work with. Next trim the value of this variable. Why Because the string is padded with 0x0 at the end to make it fit evenly..
http://stackoverflow.com/questions/4979836/domdocument-in-php nodes the DOMElement with a DOMAttr holding a DOMText. Because all these inherit their properties and methods from DOMNode..
Are mysql_real_escape_string() and mysql_escape_string() sufficient for app security? http://stackoverflow.com/questions/5414731/are-mysql-real-escape-string-and-mysql-escape-string-sufficient-for-app-secu from things that the SQL server people know about. Because of this extra level of protection you are far safer than by..
What's better at freeing memory with PHP: unset() or $var = null http://stackoverflow.com/questions/584960/whats-better-at-freeing-memory-with-php-unset-or-var-null and the value for the variable expression will be null. Because what else should PHP do Every expression needs to result in..
How should a model be structured in MVC? http://stackoverflow.com/questions/5863870/how-should-a-model-be-structured-in-mvc presentation of user list an comments below an article. Because they both have the same presentation logic. You just switch..
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