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php Programming Glossary: ifReference - What does this error mean in PHP? http://stackoverflow.com/questions/12769982/reference-what-does-this-error-mean-in-php one per answer a short description what it means even if it is only highlighting terms to their manual page a possible.. known as White Page or Screen Of Death Warning Cannot modify header information headers already sent Warning mysql_fetch_array.. share improve this question Warning Cannot modify header information headers already sent Happens when your script..
Why shouldn't I use mysql_* functions in PHP? http://stackoverflow.com/questions/12859942/why-shouldnt-i-use-mysql-functions-in-php were already mentioned. For newcomers there's a more significant incentive to stop using the dated mysql_ functions. Contemporary.. to use. It's mostly the bound parameters which can simplify code. And with excellent tutorials as seen above the transition.. glaring bug here is the lack of documentation. More significantly the order of filtering was in exactly the wrong order...
Using a regular expression to validate an email address http://stackoverflow.com/questions/201323/using-a-regular-expression-to-validate-an-email-address before the days of grammatical patterns. The grammar specified in RFC 5322 is too complicated for primitive regular expressions.. and C# should also be able to manage it but they use a different syntax from those first three. However if you are forced.. use a different syntax from those first three. However if you are forced to use one of the many less powerful pattern..
http://stackoverflow.com/questions/279170/utf-8-all-the-way-through apache share improve this question Data Storage Specify the utf8 character set on all tables and text columns in your.. UTF 8. Note that MySQL will implicitly use utf8 encoding if a utf8_ collation is specified without any explicit character.. implicitly use utf8 encoding if a utf8_ collation is specified without any explicit character set . The MySQL utf8 encoding..
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 SELECT FROM Users WHERE UserName LIKE ' username' if result FALSE die mysql_error TODO better error handling while..
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 and style of documents. DOM is capable of parsing and modifying real world broken HTML and it can do XPath queries . It.. interface you'll find implementations in many languages so if you need to change your programming language chances are you.. extension has been covered extensively on StackOverflow so if you choose to use it you can be sure most of the issues you..
PHP: “Notice: Undefined variable” and “Notice: Undefined index” http://stackoverflow.com/questions/4261133/php-notice-undefined-variable-and-notice-undefined-index because most real world answers on this issue are very specific. Related Meta discussion What can be done about repetitive.. array. isset language construct can be used to detect if a variable has been already initialized. Some explanations Although.. Recommended Declare your variables. Or use isset to check if they are declared before referencing them. Set a custom error..
http://stackoverflow.com/questions/8028957/headers-already-sent-by-php getting several errors looking like this Warning Cannot modify header information headers already sent by output started at.. No output before sending headers Functions that send modify HTTP headers must be invoked before any output is made . Otherwise.. is made . Otherwise the call fails Warning Cannot modify header information headers already sent output started at file..
Reference - What does this error mean in PHP? http://stackoverflow.com/questions/12769982/reference-what-does-this-error-mean-in-php solution in a general way to apply. What should I do here If your question has been marked as a duplicate of this please.. case it shouldn't be clear from the general answer alone. If you want to contribute please add your favorite error message.. PHP starts parsing won't be able to submit any header. If your file has more than one block in it you should not have..
Why shouldn't I use mysql_* functions in PHP? http://stackoverflow.com/questions/12859942/why-shouldnt-i-use-mysql-functions-in-php is delegated to PDO and its parameterized statements. If there was any mention of stripslashes in your sanitize function.. and will be lots of excellent libraries for such tasks. If you want to simplify your database interaction further mappers..
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 is an option when you know the HTML is valid XHTML. If you need to parse broken HTML don't even consider SimpleXml.. in the PHP Manual . 3rd Party Libraries libxml based If you prefer to use a 3rd party lib I'd suggest using a lib that.. for html 5 parsing that is worth checking out. WebServices If you don't feel like programming PHP you can also use web services...
Reference - What does this symbol mean in PHP? http://stackoverflow.com/questions/3737139/reference-what-does-this-symbol-mean-in-php search terms by quotes e.g. php vs What should I do here If you have been pointed here by someone because you have asked.. linked questions will likely answer your question then. If so you are encouraged to upvote the answer. This list is not.. as a substitute to the help others provided. The List If your particular token is not listed below you might find it..
http://stackoverflow.com/questions/8028957/headers-already-sent-by-php Whitespace before php when somefile.php line 1 mentioned If the message says the error is in line 1 then it is typically.. on a whole include or project directory. Whitespace after If the error source is mentioned as behind the closing then this.. to an implicit warning message. Preceding error messages If another PHP statement or expression causes a warning message..
How to evaluate formula passed as string in PHP? http://stackoverflow.com/questions/1015242/how-to-evaluate-formula-passed-as-string-in-php string. In my scenario it is values fetched from image EXIF data. After little research I found two way of doing it. first.. ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. class EvalMath var.. this line is for debugging purpose only switch tok FIRST IF THEN AND OTHER FLOW CONTROLS case 'THEN' break case 'IF' if..
Ping site and return result in PHP http://stackoverflow.com/questions/1239068/ping-site-and-return-result-in-php site and return result in PHP I'd like to create a small IF procedure that will check if Twitter is available unlike now..
Magento upgrade takes too long and never completes http://stackoverflow.com/questions/13163847/magento-upgrade-takes-too-long-and-never-completes panel. The DB Changes.txt are as follows CREATE TABLE IF NOT EXISTS log_customer log_id int 10 unsigned NOT NULL AUTO_INCREMENT.. Table structure for table log_quote CREATE TABLE IF NOT EXISTS log_quote quote_id int 10 unsigned NOT NULL DEFAULT.. data' Table structure for table log_summary CREATE TABLE IF NOT EXISTS log_summary summary_id bigint 20 unsigned NOT NULL..
http://stackoverflow.com/questions/4671378/levenshtein-mysql-php CHAR_LENGTH s1 s2_len CHAR_LENGTH s2 cv1 0x00 j 1 i 1 c 0 IF s1 s2 THEN RETURN 0 ELSEIF s1_len 0 THEN RETURN s2_len ELSEIF.. s2 cv1 0x00 j 1 i 1 c 0 IF s1 s2 THEN RETURN 0 ELSEIF s1_len 0 THEN RETURN s2_len ELSEIF s2_len 0 THEN RETURN s1_len.. s1 s2 THEN RETURN 0 ELSEIF s1_len 0 THEN RETURN s2_len ELSEIF s2_len 0 THEN RETURN s1_len ELSE WHILE j s2_len DO SET cv1 CONCAT..
How to check IF user has ALREADY liked the facebook page? http://stackoverflow.com/questions/7397724/how-to-check-if-user-has-already-liked-the-facebook-page to check IF user has ALREADY liked the facebook page I have a like button..
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