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How to clear APC cache entries?

I need to clear all APC cache entries when I deploy a new version of the site. APC.php has a button for clearing all opcode caches, but I don't see buttons for clearing all User Entries, or all System Entries, or all Per-Directory Entries. ...
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How can I measure the speed of code written in PHP? [closed]

How can I say which class of many (which all do the same job) execute faster? is there a software to measure that? 10 Answe...
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How to destroy an object?

... objects as soon as the page is served. So this should only be needed on really long loops and/or heavy intensive pages. share | improve this answer | follow |...
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JSON Naming Convention (snake_case, camelCase or PascalCase) [closed]

Is there a standard on JSON naming? I see most examples using all lower case separated by underscore, aka snake_case , but can it be used PascalCase or camelCase as well? ...
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Can someone explain how to implement the jQuery File Upload plugin?

...de to upload the files: $('#upload').fileupload({ // This function is called when a file is added to the queue add: function (e, data) { //This area will contain file list and progress information. var tpl = $('<li class="working">'+ '<input type="text" value="...
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What is the difference between is_a and instanceof?

...ut PHP versions >= 5.3.9 now accept an optional third boolean argument $allow_string (defaults to false) to allow comparisons of string class names instead: class MyBaseClass {} class MyExtendingClass extends MyBaseClass {} // Original behavior, evaluates to false. is_a(MyExtendingClass::class,...
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PHP exec() vs system() vs passthru()

... They have slightly different purposes. exec() is for calling a system command, and perhaps dealing with the output yourself. system() is for executing a system command and immediately displaying the output - presumably text. passthru() is for executing a system command which...
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How can I get the current page name in WordPress?

...theme.php, inside the function get_page_template(), which is of course is called before your page theme files are parsed, so it is available at any point inside your templates for pages. Although it doesn't appear to be documented, the $pagename var is only set if you use permalinks. I guess this i...
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What is the difference between an interface and abstract class?

...'t do anything. It's just a pattern. For example (pseudo code): // I say all motor vehicles should look like this: interface MotorVehicle { void run(); int getFuel(); } // My team mate complies and writes vehicle looking that way class Car implements MotorVehicle { int fuel; vo...
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What is an abstract class in PHP?

...re interface. Also interfaces are a special case of abstract classes where ALL methods are abstract. See this section of the PHP manual for further reference. share | improve this answer |...