¡@

Home 

php Programming Glossary: why

How to upload a file using Java HttpClient library working with PHP - strange problem

http://stackoverflow.com/questions/1067655/how-to-upload-a-file-using-java-httpclient-library-working-with-php-strange-pr

false and _FILES variable is empty. I have no idea why this might happend. I have tracked HTTP response and request..

Use global variables in a class

http://stackoverflow.com/questions/11923272/use-global-variables-in-a-class

the fact that from my answer sprung a discussion about why I would go the dependency injection route instead of declaring.. of declaring the object global I would like to clarify why I would go for the route of dependency injection instead of.. Hence it is a hidden dependency. Another reason why the above is bad is because you have tightly coupled the db..

How can an SQL query return data from multiple tables

http://stackoverflow.com/questions/12475850/how-can-an-sql-query-return-data-from-multiple-tables

White 1 BMW Blue 1 BMW White 1 9 rows in set 0.00 sec So why is that not the results that were expected It is because although..

Why shouldn't I use mysql_* functions in PHP?

http://stackoverflow.com/questions/12859942/why-shouldnt-i-use-mysql-functions-in-php

purpose is to have detailed high quality answers detailing why the use of mysql_ functions is no longer recommended. php mysql.. to some more rewriting advises and technical reasons on why you may want to get rid of mysql_ and escaping. Fix or remove..

Mysqli update throwing Call to a member function bind_param() error

http://stackoverflow.com/questions/15447133/mysqli-update-throwing-call-to-a-member-function-bind-param-error

close This throws a bind param error and i have no idea why. Any help would be great. php post mysqli share improve this.. scripts and since then you will be notified of the reason why the object weren't created. If you're curious of this or syntax..

Are global variables in PHP considered bad practice? If so, why?

http://stackoverflow.com/questions/1557787/are-global-variables-in-php-considered-bad-practice-if-so-why

global variables in PHP considered bad practice If so why function foo global var rest of code In my small PHP projects..

Are PHP short tags acceptable to use?

http://stackoverflow.com/questions/200640/are-php-short-tags-acceptable-to-use

echo The programmers convenience is an important factor so why are they not recommended php coding style php shorttags share..

Using a regular expression to validate an email address

http://stackoverflow.com/questions/201323/using-a-regular-expression-to-validate-an-email-address

you got the address of the person entering it which is why most mailing lists now use that mechanism to confirm sign ups...

What is the difference between single-quoted and double-quoted strings in PHP?

http://stackoverflow.com/questions/3446216/what-is-the-difference-between-single-quoted-and-double-quoted-strings-in-php

not an expert in PHP programming but I'm a little confused why I see some code in PHP with string placed in single quotes and..

PHP Math Precision

http://stackoverflow.com/questions/3726721/php-math-precision

in 0.009999999999998 What is up with that I wondered why my program kept reporting odd results. Why doesn't PHP return..

Secure hash and salt for PHP passwords

http://stackoverflow.com/questions/401656/secure-hash-and-salt-for-php-passwords

cracking storage and complexity. I ™ve come to appreciate why password storage is ever so much more important than password.. can be easily parallelized to perform even faster. This is why costly schemes like bcrypt and scrypt are so important. You..

Who needs singletons? [closed]

http://stackoverflow.com/questions/4595964/who-needs-singletons

get query '...' some_function But I just can't understand why you need that big class when you can do it merely with class..

Using comet with PHP?

http://stackoverflow.com/questions/603201/using-comet-with-php

you will still need one PHP thread per request this is why FastCGI won't help. You need something like Continuations which..

Headers already sent by PHP

http://stackoverflow.com/questions/8028957/headers-already-sent-by-php

areas before php code. Why does it happen To understand why headers must be sent before output it's necessary to look at.. in a generic manner. Adobe Community PHP development why redirects don't work headers already sent Nucleus FAQ What does..

How to get useful error messages in PHP?

http://stackoverflow.com/questions/845021/how-to-get-useful-error-messages-in-php

Another option is to use an editor that checks for errors why you type such as PhpEd . PhpEd also comes with a debugger which..

when is eval evil in php?

http://stackoverflow.com/questions/951373/when-is-eval-evil-in-php

it make sense to use the second and elegant option if no why type is the result of an SQL statement e.g. SHOW COLUMNS FROM..

How can an SQL query return data from multiple tables

http://stackoverflow.com/questions/12475850/how-can-an-sql-query-return-data-from-multiple-tables

to understand when the queries start getting more complex. Why use it Is there a performance gain The short answer is no but..

Reference - What does this error mean in PHP?

http://stackoverflow.com/questions/12769982/reference-what-does-this-error-mean-in-php

to participate in adding to and maintaining this list. Why is this Questions like Headers already sent or Calling a member..

Why shouldn't I use mysql_* functions in PHP?

http://stackoverflow.com/questions/12859942/why-shouldnt-i-use-mysql-functions-in-php

shouldn't I use mysql_ functions in PHP What are the technical.. like mysql_query mysql_connect or mysql_real_escape_string Why should I move away from them as long as it works on my site..

Reference: Why does the PHP (or other server side) code in my Javascript not work?

http://stackoverflow.com/questions/13840429/reference-why-does-the-php-or-other-server-side-code-in-my-javascript-not-wor

Why does the PHP or other server side code in my Javascript not.. 'foo.txt' ' foo ' var baz php echo 42 alert baz script Why does this not write bar into my text file but alerts 42 php..

The mysql extension is deprecated and will be removed in the future: use mysqli or PDO instead

http://stackoverflow.com/questions/13944956/the-mysql-extension-is-deprecated-and-will-be-removed-in-the-future-use-mysqli

Indeed I obtained it from a well sourced tutorial on PHP. Why is this happening How can I fix it I understand that it's possible.. deprecated php errors share improve this question Why is this happening The entire ext mysql PHP extension which provides..

Reference - frequently asked questions about PDO [closed]

http://stackoverflow.com/questions/15990857/reference-frequently-asked-questions-about-pdo

of frequently asked questions regarding PHP Data Objects Why is this As PDO has some features unknown to a regular PHP user..

Reference: What is variable scope, which variables are accessible from where and what are “undefined variable” errors?

http://stackoverflow.com/questions/16959576/reference-what-is-variable-scope-which-variables-are-accessible-from-where-and

PHP Are variables from one .php file accessible in another Why do I sometimes get undefined variable errors php variable scope..

Can PHP PDO Statements accept the table name as parameter?

http://stackoverflow.com/questions/182287/can-php-pdo-statements-accept-the-table-name-as-parameter

PHP PDO Statements accept the table name as parameter Why can't I pass the table name to a prepared PDO statement stmt..

Reference - What does this symbol mean in PHP?

http://stackoverflow.com/questions/3737139/reference-what-does-this-symbol-mean-in-php

is invited to participate in maintaining this list. Why is this It used to be hard to find questions about operators..

Secure hash and salt for PHP passwords

http://stackoverflow.com/questions/401656/secure-hash-and-salt-for-php-passwords

the What makes a good password section for some debate. Why hash passwords anyway The objective behind hashing passwords..

PHP: “Notice: Undefined variable” and “Notice: Undefined index”

http://stackoverflow.com/questions/4261133/php-notice-undefined-variable-and-notice-undefined-index

Hello . user_name. from . user_location What do they mean Why do they appear all of a sudden I used to use this script for..

PHP global in functions

http://stackoverflow.com/questions/5166087/php-global-in-functions

no way to see that foo got changed from these three lines. Why would calling the same function with the same arguments all.. Brittle Global State Singletons static considered harmful Why Singletons have no use in PHP SOLID object oriented design ..

Reference: What is a perfect code sample using the MySQL extension? [closed]

http://stackoverflow.com/questions/6198104/reference-what-is-a-perfect-code-sample-using-the-mysql-extension

LIMIT clauses and dynamic table names No error reporting Why does this query not work Broken error reporting that is errors..

Headers already sent by PHP

http://stackoverflow.com/questions/8028957/headers-already-sent-by-php

output like var_dump Raw html areas before php code. Why does it happen To understand why headers must be sent before.. manual and for more pros and cons what is output buffering Why use output buffering in PHP Is using output buffering considered.. and a user friendly message and link as last resort. Why setcookie and session_start are also affected Both setcookie..

PHP 5.4 after-install: preg_match(): Compilation failed: unknown option bit(s) set at offset 0

http://stackoverflow.com/questions/10338234/php-5-4-after-install-preg-match-compilation-failed-unknown-option-bits-s

compiles with 8.12. Now a follow up questions is of course WHY this happens. I would still expect 8.30 to be compiled with..

Stop using `global` in PHP

http://stackoverflow.com/questions/12445972/stop-using-global-in-php

parts of my code without using global Could anyone explain WHY I shouldn't use global in my example Some say it's a bad tone..

How to bind event on dynamic generated input element (check box)

http://stackoverflow.com/questions/17122485/how-to-bind-event-on-dynamic-generated-input-element-check-box

THIS CHECKBOX TABLE 2 GETTING LOADED DYNAMICALLY THTAT IS WHY JS IS NOT ENTERTAINING THIS ....so how to fire event function..

SQL Server Query Slow from PHP, but FAST from SQL Mgt Studio - WHY?

http://stackoverflow.com/questions/2886592/sql-server-query-slow-from-php-but-fast-from-sql-mgt-studio-why

Server Query Slow from PHP but FAST from SQL Mgt Studio WHY I have a fast running query sub 1 sec when I execute the query..

Unexpected T_PAAMAYIM_NEKUDOTAYIM in PHP 5.2.x

http://stackoverflow.com/questions/4995540/unexpected-t-paamayim-nekudotayim-in-php-5-2-x

parent and static . Unfortunately no detail is given as to WHY to was otherwise in prior versions nor do I see a workaround..

What is the proper way to document files, classes and constructors?

http://stackoverflow.com/questions/5741955/what-is-the-proper-way-to-document-files-classes-and-constructors

not reading them anymore. A good comment should explain WHY something was done while the code its self should explain HOW..

PHP Sessions + Useragent with salt

http://stackoverflow.com/questions/616545/php-sessions-useragent-with-salt

for an attacker to hijack or whatever the session. But WHY add a salt every time you would check it like this md5 'SECRET.. SALT'. _SERVER 'HTTP_USER_AGENT' _SESSION 'fingerprint' So WHY would a salt make it more secure since the attacker still only..

PNG Transparency Resize with SimpleImage.php Class

http://stackoverflow.com/questions/6382448/png-transparency-resize-with-simpleimage-php-class

function resize width height ADDED CODE IS HERE NOT SURE WHY IT DOESN'T WORK FOR PNG Setup new image new_image imagecreatetruecolor..