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How to loop through an associative array and get the key? [duplicate]

...do: foreach ($arr as $key => $value) { echo $key; } As described in PHP docs. share | improve this answer | follow | ...
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What's the difference between :: (double colon) and -> (arrow) in PHP?

There are two distinct ways to access methods in PHP, but what's the difference? 6 Answers ...
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Implications of foldr vs. foldl (or foldl')

...:Util::reduce, C++'s accumulate, C#'s Aggregate, Smalltalk's inject:into:, PHP's array_reduce, Mathematica's Fold, etc. Common Lisp's reduce defaults to left fold but there's an option for right fold. share | ...
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How to get file_get_contents() to work with HTTPS?

...he following script to see if there is an https wrapper available for your php scripts. $w = stream_get_wrappers(); echo 'openssl: ', extension_loaded ('openssl') ? 'yes':'no', "\n"; echo 'http wrapper: ', in_array('http', $w) ? 'yes':'no', "\n"; echo 'https wrapper: ', in_array('https', $w) ? 'y...
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SET NAMES utf8 in MySQL?

I often see something similar to this below in PHP scripts using MySQL 8 Answers 8 ...
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What is the difference between `git merge` and `git merge --no-ff`?

...to discard changes in working directory) # # modified: ecc/Desktop.php # modified: ecc/Mobile.php # deleted: ecc/ecc-config.php # modified: ecc/readme.txt # modified: ecc/test.php # deleted: passthru-adapter.igs # deleted: shop/mickey/index....
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Find the last element of an array while using a foreach loop in PHP

...t being said, you don't -have- to iterate over an "array" using foreach in php. share | improve this answer | follow | ...
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pass post data with window.location.href

... $("#btn_id").click(function(){ $.redirect(http://localhost/test/test1.php, { user_name: "khan", city : "Meerut", country : "country" }); }); }); see https://github.com/mgalante/jquery.redirect ...
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PHP prepend associative array with literal keys?

... See also array_merge() and its difference from using the + operator: br.php.net/manual/en/function.array-merge.php#92602 – Havenard Sep 3 '09 at 1:33 2 ...
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convert_tz returns null

... to see Hidden files and Folders as explained here https://irch.info/index.php?pg=kb.page&id=133 4) Stop the MySQL service by searching for "services" in Windows Start button. 5) Then unzip the timezone_2017c_posix.zip and then copy the files in it (copy the files directly, don't copy the whol...