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php Programming Glossary: is_nullHow to evaluate formula passed as string in PHP? http://stackoverflow.com/questions/1015242/how-to-evaluate-formula-passed-as-string-in-php o2 stack pop ' ' pop off the stack back to the last if is_null o2 return this trigger unexpected ' ' else output o2 if preg_match.. just finish a function argument while o2 stack pop ' ' if is_null o2 return this trigger unexpected ' ' oops never had a else.. implicit multiplication if no operator is there while is_null op stack pop pop everything off the stack and push onto output..
How to make a calculator in PHP? http://stackoverflow.com/questions/12692727/how-to-make-a-calculator-in-php pop operator isOperator value operator operate stack if is_null value stack push TerminalExpression factory value return..
How do I throttle my site's API users? http://stackoverflow.com/questions/1375501/how-do-i-throttle-my-sites-api-users this get_throttle_minute # get from the DB if is_null minute_limit new_minute_throttle 0 else new_minute_throttle..
Multidimensional array iteration http://stackoverflow.com/questions/2207599/multidimensional-array-iteration arr null arr array_merge n arr s . ' node ' elseif is_null n s . ' node ' else s . ' node '. n.' node ' s . ' node ' echo..
How can I convert a series of parent-child relationships into a hierarchical tree? http://stackoverflow.com/questions/2915748/how-can-i-convert-a-series-of-parent-child-relationships-into-a-hierarchical-tre to print out an unordered list function printTree tree if is_null tree count tree 0 echo ' ul ' foreach tree as node echo ' li.. made function parseAndPrintTree root tree return array if is_null tree count tree 0 echo ' ul ' foreach tree as child parent ..
Call to a member function prepare() on a non-object PHP Help http://stackoverflow.com/questions/4463441/call-to-a-member-function-prepare-on-a-non-object-php-help to get the DBH object function getDBH static DBH null if is_null DBH DBH new mysqli ... return DBH function doSomething DBH getDBH..
How to properly handle session and access token with Facebook PHP SDK 3.0? http://stackoverflow.com/questions/6468103/how-to-properly-handle-session-and-access-token-with-facebook-php-sdk-3-0 try this user Session getVar 'fbuser' if this user false is_null this user facebookUser this api api 'me fields id name first_name.. Edit 2 I edited my user handling from if this user false is_null this user get user data to if is_object this user this user.. if is_object this user this user fbId '' this user false is_null this user get user data This seems to help a little bit. I think..
Preferred method to store PHP arrays (json_encode vs serialize) http://stackoverflow.com/questions/804045/preferred-method-to-store-php-arrays-json-encode-vs-serialize 'Unpossible ' function fillArray depth max static seed if is_null seed seed array 'a' 2 'c' 4 'e' 6 'g' 8 'i' 10 if depth max..
http://stackoverflow.com/questions/8440490/pretty-urls-in-php-frameworks If no route matched or class for route not found 404 if is_null route class_exists route header 'HTTP 1.1 404 Not Found' echo..
http://stackoverflow.com/questions/960841/how-to-use-dom-php-parser elements dom_xpath query div @id 'interestingbox' if is_null elements foreach elements as element echo n . element nodeName...
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