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PHP function to build query string from array

I'm looking for the name of the PHP function to build a query string from an array of key value pairs. Please note, I am looking for the built in PHP function to do this, not a homebrew one (that's all a google search seems to return). There is one, I just can't remember its name or find it on php...
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How can I set the PHP version in PHPStorm?

Is it possible to set the PHP version value, say 4.0+ and have PHPStorm highlight functions that wouldn't work with the oldest version? For example, for PHP4 this should highlight static function etc. I have a PHP installation on my PC but I don't want to install an older PHP version for every sma...
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PHP Constants Containing Arrays?

... NOTE: while this is the accepted answer, it's worth noting that in PHP 5.6+ you can have const arrays - see Andrea Faulds' answer below. You can also serialize your array and then put it into the constant: # define constant, serialize array define ("FRUITS", serialize (array ("apple", "che...
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How do I pass variables and data from PHP to JavaScript?

I have a variable in PHP, and I need its value in my JavaScript code. How can I get my variable from PHP to JavaScript? 19 ...
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Returning JSON from PHP to JavaScript?

I have a PHP script that's being called through jQuery AJAX. I want the PHP script to return the data in JSON format to the javascript. Here's the pseudo code in the PHP script: ...
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Reference: Comparing PHP's print and echo

What is the difference between PHP's print and echo ? 1 Answer 1 ...
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Pretty-Printing JSON with PHP

I'm building a PHP script that feeds JSON data to another script. My script builds data into a large associative array, and then outputs the data using json_encode . Here is an example script: ...
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How to get WordPress post featured image URL

... Check the code below and let me know if it works for you. <?php if (has_post_thumbnail( $post->ID ) ): ?> <?php $image = wp_get_attachment_image_src( get_post_thumbnail_id( $post->ID ), 'single-post-thumbnail' ); ?> <div id="custom-bg" style="background-image: ur...
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getting date format m-d-Y H:i:s.u from milliseconds

... php.net says: Microseconds (added in PHP 5.2.2). Note that date() will always generate 000000 since it takes an integer parameter, whereas DateTime::format() does support microseconds if DateTime was created with microsec...
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How to validate an email address using a regular expression?

...e more sophisticated patterns in Perl and PCRE (regex library used e.g. in PHP) can correctly parse RFC 5322 without a hitch. Python and C# can do that too, but they use a different syntax from those first two. However, if you are forced to use one of the many less powerful pattern-matching language...