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PHP - Get key name of array value

...f you're sorting, use asort (asort($arr)). This maintains the key values. php.net/manual/en/function.asort.php – Rich701 Mar 9 '17 at 16:26 add a comment  |...
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How do I load a PHP file into a variable?

I need to load a PHP file into a variable. Like include(); 8 Answers 8 ...
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PHP function overloading

Coming from C++ background ;) How can I overload PHP functions? 10 Answers 10 ...
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What is a Python equivalent of PHP's var_dump()? [duplicate]

When debugging in PHP, I frequently find it useful to simply stick a var_dump() in my code to show me what a variable is, what its value is, and the same for anything that it contains. ...
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Autoincrement VersionCode with gradle extra properties

...sible. This script will create a version number which looks like v1.3.4 (123) and build an apk file like AppName-v1.3.4.apk. Major version ⌄ ⌄ Build version v1.3.4 (123) Minor version ⌃|⌃ Patch version Major version: Has to be changed manually for bigger changes. ...
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Drawing a line/path on Google Maps

...nswered Oct 20 '10 at 5:08 richa123richa123 21122 silver badges22 bronze badges ...
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Sprintf equivalent in Java

... that are perfect as instance methods, take String.Length() int length = "123".Length(); In this situation, it's obvious we are not trying to modify "123", we are just inspecting it, and returning its length. This is a perfect candidate for an instance method. My simple rules for Instance Method...
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PHP - Extracting a property from an array of objects

... If you have PHP 5.5 or later, the best way is to use the built in function array_column(): $idCats = array_column($cats, 'id'); But the son has to be an array or converted to an array ...
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Reference: What is variable scope, which variables are accessible from where and what are “undefined

What is "variable scope" in PHP? Are variables from one .php file accessible in another? Why do I sometimes get "undefined variable" errors? ...
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How can I select and upload multiple files with HTML and PHP, using HTTP POST?

... This is possible in HTML5. Example (PHP 5.4): <!doctype html> <html> <head> <title>Test</title> </head> <body> <form method="post" enctype="multipart/form-data"> <input ...