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is_null($x) vs $x === null in PHP [duplicate]

PHP has two (that I know of, and three if you count isset() ) methods to determine if a value is null: is_null() and === null . I have heard, but not confirmed, that === null is faster, but in a code review someone strongly suggested that I use is_null() instead as it is specifically design...
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Best XML Parser for PHP [duplicate]

... C, and is very fast. But second, the parsed document takes the form of a PHP object. So you can "query" like $root->myElement. share | improve this answer | follow ...
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How to get the last char of a string in PHP?

...ers" as input string and I want the result to be "s". how can I do that in PHP? 11 Answers ...
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PHP foreach change original array values

... In PHP, passing by reference (&) is ... controversial. I recommend not using it unless you know why you need it and test the results. I would recommend doing the following: foreach ($fields as $key => $field) { if (...
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Has Facebook sharer.php changed to no longer accept detailed parameters?

... Facebook no longer supports custom parameters in sharer.php The sharer will no longer accept custom parameters and facebook will pull the information that is being displayed in the preview the same way that it would appear on facebook as a post from the url OG meta tags....
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Download multiple files as a zip-file using php

How can I download multiple files as a zip-file using php? 4 Answers 4 ...
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Try/Catch block in PHP not catching Exception

I am trying to run this Example #1 from this page: http://php.net/manual/en/language.exceptions.php 12 Answers ...
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PHP file_get_contents() and setting request headers

With PHP, is it possible to send HTTP headers with file_get_contents() ? 7 Answers 7...
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How to use phpexcel to read data and insert into database?

I have a php application where I want to read data from excel, Insert into database and then generate pdf reports for specific users. I searched a lot but nothing specific given about both things. ...
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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...