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php Programming Glossary: notReference - What does this error mean in PHP? http://stackoverflow.com/questions/12769982/reference-what-does-this-error-mean-in-php this This is a number of answers about warnings errors and notices you might encounter while programming PHP and have no clue.. to change in his her particular 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...
Why shouldn't I use mysql_* functions in PHP? http://stackoverflow.com/questions/12859942/why-shouldnt-i-use-mysql-functions-in-php magic_quotes . Which however is best fixed centrally not string by string. Use one of the userland reversal approaches... remove the stripslashes in the sanitize function. Historic note on magic_quotes. That feature is rightly deprecated. It's often.. it. But originally it was just a convenience feature not intend for security. How prepared statements differ When you..
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 is only to illustrate what should be done error handling not how to do it. Production code shouldn't use or die when outputting..
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 on the way. XMLReader like DOM is based on libxml. I am not aware of how to trigger the HTML Parser Module so chances are.. for manipulating XML and HTML. It is designed to work not only with local files but also with web services and database.. at all occasions of errors instead of PHP warnings or notices. They also add various custom methods and shortcuts for..
http://stackoverflow.com/questions/8028957/headers-already-sent-by-php I am getting several errors looking like this Warning Cannot modify header information headers already sent by output started.. any output is made . Otherwise the call fails Warning Cannot modify header information headers already sent output started.. or after UTF 8 Byte Order Mark Previous error messages or notices Intentional print echo and other functions producing output..
How to evaluate formula passed as string in PHP? http://stackoverflow.com/questions/1015242/how-to-evaluate-formula-passed-as-string-in-php IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES INCLUDING BUT NOT LIMITED TO THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS.. SPECIAL EXEMPLARY OR CONSEQUENTIAL DAMAGES INCLUDING BUT NOT LIMITED TO PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES LOSS..
How to Use AJAX in a WordPress Shortcode? http://stackoverflow.com/questions/13498959/how-to-use-ajax-in-a-wordpress-shortcode enqueue # jQuery will be loaded as a dependency ## DO NOT use other version than the one bundled with WP ### Things will..
How to 'insert if not exists' in MySQL? http://stackoverflow.com/questions/1361340/how-to-insert-if-not-exists-in-mysql TABLE `transcripts` `ensembl_transcript_id` varchar 20 NOT NULL `transcript_chrom_start` int 10 unsigned NOT NULL `transcript_chrom_end`.. 20 NOT NULL `transcript_chrom_start` int 10 unsigned NOT NULL `transcript_chrom_end` int 10 unsigned NOT NULL PRIMARY.. unsigned NOT NULL `transcript_chrom_end` int 10 unsigned NOT NULL PRIMARY KEY `ensembl_transcript_id` ENGINE InnoDB DEFAULT..
Reference - frequently asked questions about PDO [closed] http://stackoverflow.com/questions/15990857/reference-frequently-asked-questions-about-pdo into try..catch block I have to make a distinct note DO NOT use try..catch operator just to echo an error message. Uncaught..
“Warning: Cannot modify header information - headers already sent by” error [duplicate] http://stackoverflow.com/questions/1912029/warning-cannot-modify-header-information-headers-already-sent-by-error UserGroup For security start by assuming the visitor is NOT authorized. isValid False When a visitor has logged into this.. equal to their username. Therefore we know that a user is NOT logged in if that Session variable is blank. if empty UserName..
json_encode is returning NULL? http://stackoverflow.com/questions/1972006/json-encode-is-returning-null schema for my database CREATE TABLE `staff` `id` int 11 NOT NULL AUTO_INCREMENT `name` longtext COLLATE utf8_unicode_ci..
http://stackoverflow.com/questions/336127/calculate-business-days case where the start day was a Sunday and the end day was NOT a Saturday the day of the week for start is later than the day..
http://stackoverflow.com/questions/3430181/acl-implementation object which will act like a protective shell. This would NOT require you to extend the original class. Here is an example..
How should I choose an authentication library for CodeIgniter? http://stackoverflow.com/questions/346980/how-should-i-choose-an-authentication-library-for-codeigniter library doesn't meet these security standards 100 DO NOT USE IT Recent high profile examples of irresponsible coders..
http://stackoverflow.com/questions/393603/php-uml-generator this question I strongly recommend BOUML . It's a NOT free UML modelling application which is extremely fast fastest..
http://stackoverflow.com/questions/4979836/domdocument-in-php read about this case or something similar basically I need NOT to strip my html nodes to analyze if it's crap or information..
http://stackoverflow.com/questions/5576619/php-redirect-with-post-data the originally requested resource. The 303 response MUST NOT be cached but the response to the second redirected request..
How to create a simple 'Hello World' module in Magento? http://stackoverflow.com/questions/576908/how-to-create-a-simple-hello-world-module-in-magento just setup is the module frontName controller. This is NOT the MVC controller. Try the following URL and you'll get a 404..
How should a model be structured in MVC? http://stackoverflow.com/questions/5863870/how-should-a-model-be-structured-in-mvc which briefly describes how they are different. What is NOT a model The model is not a class or any single object. It is..
php == vs === operator [duplicate] http://stackoverflow.com/questions/589549/php-vs-operator the same value Warning two instances of the same class do NOT match the operator. Example a new stdClass a foo bar b clone..
PHP syntax for dereferencing function result [duplicate] http://stackoverflow.com/questions/742764/php-syntax-for-dereferencing-function-result here PHP Access Array Value on the Fly 7 answers NOT A DUPLICATE EDIT Jul 17 2013 This question was incorrectly voted.. example2 function result is an object php function zoobar NOTE casting object Array has other problems in PHP see e.g. http..
http://stackoverflow.com/questions/10057671/how-foreach-actually-works iteration php internals share improve this question Note This answer assumes that you have some basic knowledge about.. to reconstruct this hashtable increasing memory usage . Not that this should bother you just a bit of trivia The hashtable..
Can't use method return value in write context http://stackoverflow.com/questions/1075534/cant-use-method-return-value-in-write-context Thanks in advance php share improve this question Note This is a very high voted answer with a high visibility but.. coding practices See @porneL's answer for the correct way. Note #2 I endorse the suggestions to use @porneL's answer . When.. It's a limitation of empty in PHP versions below 5.5. Note empty only checks variables as anything else will result in..
Converting words to numbers in PHP http://stackoverflow.com/questions/1077600/converting-words-to-numbers-in-php of pages discussing the conversion from numbers to words. Not so many for the reverse direction. The best I could find was..
Replace URLs in text with HTML links http://stackoverflow.com/questions/1188129/replace-urls-in-text-with-html-links completeUrl htmlspecialchars domain port path else Not a valid URL. print htmlspecialchars url Continue text parsing..
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 this question So you want to use the Twitter v1.1 API Note the files for these are on Github . Version 1.0 will soon be.. What You thought you could make unauthenticated requests Not with Twitter's v1.1 API. You need to visit http dev.twitter.com.. a GET request it's a little different. Here's an example Note Set the GET field BEFORE calling buildOauth url 'https api.twitter.com..
How to save a HTML5 Canvas as Image on a server http://stackoverflow.com/questions/13198131/how-to-save-a-html5-canvas-as-image-on-a-server and php Which is based off of the previous tutorial. Not very different but perhaps worth a try php data _POST 'imgData'..
http://stackoverflow.com/questions/16388959/url-rewriting-with-php break case 'more' ... default header 'HTTP 1.1 404 Not Found' Show404Error This is how big sites and CMS systems do..
PHP Parse/Syntax Errors; and How to solve them? http://stackoverflow.com/questions/18050071/php-parse-syntax-errors-and-how-to-solve-them line then your attempted change was possibly a failure. Not always though. Restore a backup of previously working code if.. just from looking at your code. Check your PHP version . Not all syntax constructs are available on every server. Don't use..
php multi-dimensional array remove duplicate http://stackoverflow.com/questions/1861682/php-multi-dimensional-array-remove-duplicate multi dimensional array remove duplicate Not sure if this question is a duplicate in need of removal but.. array as val newArr val 2 val array array_values newArr Notice 1 As visible from above the last match for an email address.. the second line with foreach array_reverse array as val Notice 2 The indexes in the resulting array are somewhat mixed up...
Simple “Long Polling” example code? http://stackoverflow.com/questions/333664/simple-long-polling-example-code php if rand 1 3 1 Fake an error header HTTP 1.0 404 Not Found die Send a string after a random number of seconds 2 10.. sleep rand 2 10 echo Hi Have a random number . rand 1 10 Note With a real site running this on a regular web server like..
Reference - What does this symbol mean in PHP? http://stackoverflow.com/questions/3737139/reference-what-does-this-symbol-mean-in-php them not to copy over content from the PHP Manual. ¹ Note Since January 2013 Stack Overflow does support special characters.. to use it in real world examples Logical Operators Double Not Operator in PHP @ Error Control Operators What is the use of.. a while i c echo i Once z is reached aa is next and so on. Note that character variables can be incremented but not decremented..
Convert HTML + CSS to PDF with PHP? http://stackoverflow.com/questions/391005/convert-html-css-to-pdf-with-php out yet and kept dying with unknown node_type errors. Not sure where to go from here and Htmldoc this seems to work fine..
Secure hash and salt for PHP passwords http://stackoverflow.com/questions/401656/secure-hash-and-salt-for-php-passwords Emphasis mine. What makes a good password anyway Entropy . Not that I fully subscribe to Randall's viewpoint. In short entropy..
PHP Does Not Display Error Messages http://stackoverflow.com/questions/5680831/php-does-not-display-error-messages Does Not Display Error Messages I installed XAMPP 1.7.4 with PHP 5.3.5..
Compiling an AST back to source code http://stackoverflow.com/questions/5832412/compiling-an-ast-back-to-source-code i Print PrintNewline print one statement endo return Note that this spits out text on the fly as you visit the tree... but people won't like the result too much whitespace. Not an issue if you are only compiling the result. Newlines languages.. generator. There are lots of parser generators around. Not many prettyprinter generators. DMS is one of the few that has..
How can one use multi threading in PHP applications http://stackoverflow.com/questions/70855/how-can-one-use-multi-threading-in-php-applications Lim though http phplens.com phpeverywhere q node view 254 Not very robust in my opinion but it should afford you a bit of..
What is the best way to stop people hacking the PHP-based highscore table of a Flash game http://stackoverflow.com/questions/73947/what-is-the-best-way-to-stop-people-hacking-the-php-based-highscore-table-of-a-f as3corelib which I think I can use for the encryption. Not sure this will get me around CheatEngine though. I need to know..
To Use a PHP Framework or Not? [closed] http://stackoverflow.com/questions/817096/to-use-a-php-framework-or-not Use a PHP Framework or Not closed I've started writing a few applications in PHP and I'm..
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