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php Programming Glossary: checkingHow to evaluate formula passed as string in PHP? http://stackoverflow.com/questions/1015242/how-to-evaluate-formula-passed-as-string-in-php from untrusted sources. It provides robust error checking and only evaluates a limited set of functions. It could be used.. precedence expecting_op false we use this in syntax checking the expression and determining when a is a negation if preg_match.. val index strlen val elseif op ' ' miscellaneous error checking return this trigger unexpected ' ' elseif in_array op ops and..
In PHP 5.3.0, what is the function “use” identifier? http://stackoverflow.com/questions/1065188/in-php-5-3-0-what-is-the-function-use-identifier what is the function &ldquo use&rdquo identifier I'm checking out some php 5.3.0 features and ran across some code on the..
Replace URLs in text with HTML links http://stackoverflow.com/questions/1188129/replace-urls-in-text-with-html-links is treated as an URL because of the missing space further checking on valid top level domains might be in order. Edit The following..
Use global variables in a class http://stackoverflow.com/questions/11923272/use-global-variables-in-a-class will know exactly what fields will be retrieved without checking the database and or the result. Update Because the fact that..
How to validate an email address in PHP [duplicate] http://stackoverflow.com/questions/12026842/how-to-validate-an-email-address-in-php 9 . a zA Z return bool preg_match v EMAIL Is this okay for checking if the email address is valid or not php regex email email..
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
PHP error: Cannot modify header information ??headers already sent [duplicate] http://stackoverflow.com/questions/1793482/php-error-cannot-modify-header-information-headers-already-sent page. This header.php is included on every page. I have it checking the session value to make sure user is allowed to be at a certain..
Setting up a deployment / build / CI cycle for PHP projects http://stackoverflow.com/questions/2180460/setting-up-a-deployment-build-ci-cycle-for-php-projects internal information. Stuff like code metrics code style checking and so on are not my primary focus right now but on the long..
http://stackoverflow.com/questions/2297403/http-host-vs-server-name and port using the ServerName directive. Update after checking the answer of Pekka on your question which contains a link to..
Robust and Mature HTML Parser for PHP [duplicate] http://stackoverflow.com/questions/292926/robust-and-mature-html-parser-for-php by the W3's titled How To for html 5 parsing that is worth checking out. WebServices If you don't feel like programming PHP you..
MySQL Prepared statements with a variable size variable list http://stackoverflow.com/questions/327274/mysql-prepared-statements-with-a-variable-size-variable-list 2 Don't use a prepared statement build and run the query checking stringently for possible injection attacks. php sql mysql prepared..
Simple “Long Polling” example code? http://stackoverflow.com/questions/333664/simple-long-polling-example-code and it can quickly freeze up. This would better be done checking if the file contains a valid JSON response and or keeping a..
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 by the W3's titled How To for html 5 parsing that is worth checking out. WebServices If you don't feel like programming PHP you..
How to parse HTML with PHP? [duplicate] http://stackoverflow.com/questions/3650125/how-to-parse-html-with-php by the W3's titled How To for html 5 parsing that is worth checking out. WebServices If you don't feel like programming PHP you..
PHP 2-way encryption: I need to store passwords that can be retrieved http://stackoverflow.com/questions/5089841/php-2-way-encryption-i-need-to-store-passwords-that-can-be-retrieved and see. The passwords are for a hardware device so checking against hashes are out of the question. What I need to know..
How to turn off magic quotes on shared hosting? http://stackoverflow.com/questions/517008/how-to-turn-off-magic-quotes-on-shared-hosting ini_set 'magic_quotes_gpc' 0 doesn't work EDIT After checking the list of ini settings I see that magic_quotes_gpc is a PHP_INI_PERDIR..
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 valid game instance then decrypts the encrypted high score checking to make sure the high score matches the SHA1 of the high score..
Warning: mysql_fetch_array(): supplied argument is not a valid MySQL result http://stackoverflow.com/questions/795746/warning-mysql-fetch-array-supplied-argument-is-not-a-valid-mysql-result which is causing result to be an invalid resource. Try checking for mysql_error after the line on which you run your query...
Caching image requests through PHP - If-Modified-Since not being sent http://stackoverflow.com/questions/1038638/caching-image-requests-through-php-if-modified-since-not-being-sent Since' strtotime headers 'If Modified Since' file_time Checking if the modified time is greater than or equal rather than just..
How safe are PHP session variables? http://stackoverflow.com/questions/1181105/how-safe-are-php-session-variables is in that session. Some ways to avoid this are IP Checking which works pretty well but is very low fi and thus not reliable..
http://stackoverflow.com/questions/12233406/preventing-session-hijacking with it ie navigate to a different webpage . We can't. Checking the user agent Can be spoofed but good as a Defense in Depth..
Checking if an array contains all elements of another array http://stackoverflow.com/questions/12867315/checking-if-an-array-contains-all-elements-of-another-array if an array contains all elements of another array I'm designing..
Checking if array is multidimensional or not? http://stackoverflow.com/questions/145337/checking-if-array-is-multidimensional-or-not if array is multidimensional or not What is the most efficient..
mysqli_fetch_array() expects parameter 1 to be mysqli_result, boolean given in [duplicate] http://stackoverflow.com/questions/15439919/mysqli-fetch-array-expects-parameter-1-to-be-mysqli-result-boolean-given-in 'id' locale user_profile 'locale' if locale nl_NL Checking User Data @ WT Database check1_task SELECT FROM `users` WHERE..
Is SQL injection a risk today? [duplicate] http://stackoverflow.com/questions/1683843/is-sql-injection-a-risk-today confusion to the programming world than they did good. Checking whether magic quotes are active and escaping any SQL input scrupulously..
http://stackoverflow.com/questions/1780687/preventing-csrf-in-php authentication in GET and POST parameters not only cookies Checking the HTTP Referer header saw this post on wikipedia and was wondering..
What's the best way to create a single-file upload form using PHP? http://stackoverflow.com/questions/198346/whats-the-best-way-to-create-a-single-file-upload-form-using-php directory is optionally controlled via upload_tmp_dir . Checking file mimetypes You should check the filetype of what the user..
how to use Jquery AJAX in Joomla Components? http://stackoverflow.com/questions/3157488/how-to-use-jquery-ajax-in-joomla-components #status .html ' img src loader.gif align absmiddle nbsp Checking availability...' jQuery.ajax type POST url index.php option..
Checking if a string contains an integer http://stackoverflow.com/questions/3377537/checking-if-a-string-contains-an-integer if a string contains an integer Do you know of a function that..
When (if ever) is eval NOT evil? http://stackoverflow.com/questions/3499672/when-if-ever-is-eval-not-evil for administers and or hackers Compatibility with PHP 5.3 Checking syntax possibly not safe php eval share improve this question..
Allowed memory size of X bytes exhausted http://stackoverflow.com/questions/4096582/allowed-memory-size-of-x-bytes-exhausted .ini files for command line and webserver based operation. Checking phpinfo from the command line will report different values than..
Checking if date is weekend PHP http://stackoverflow.com/questions/4802335/checking-if-date-is-weekend-php if date is weekend PHP This function seems to only return false...
Checking if all the array items are empty PHP http://stackoverflow.com/questions/5040811/checking-if-all-the-array-items-are-empty-php if all the array items are empty PHP I'm adding an array of..
CodeIgniter and Javascript/Jquery Library http://stackoverflow.com/questions/5051059/codeigniter-and-javascript-jquery-library . it seems that it can't find the lib what i messed up Checking on system folder it looks all files are in place system libraries..
Why date() works twice as fast if we set time zone from code? http://stackoverflow.com/questions/5556789/why-date-works-twice-as-fast-if-we-set-time-zone-from-code guess_timezone const timelib_tzdb tzdb TSRMLS_DC char env Checking configure timezone if DATEG timezone strlen DATEG timezone 0..
Checking browser's language by PHP? http://stackoverflow.com/questions/620276/checking-browsers-language-by-php browser's language by PHP How can I check the language of user's..
http://stackoverflow.com/questions/6663859/check-if-cookies-are-enabled this question JavaScript Javascript Cookies Enabled Test Checking if Cookies are Enabled PHP Detecting if the cookies are enabled..
http://stackoverflow.com/questions/8028957/headers-already-sent-by-php other server but not on the current. See previous section. Checking with headers_sent You can always use headers_sent to probe if..
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