php only variables can be passed by reference
However, engaging in bad programming habits is cheating and will likely lead you to cheat more and bigger in the future. $file_extension = pathinfo($file_name, PATHINFO_EXTENSION); save the array from explode() to a variable, and then call end() on this variable: btw: I use this code to get the file extension: where strrchr extracts the string after the last . No, but it will in php 6. Why shouldn't I use mysql_* functions in PHP? function definitions. Place the code as Are there any canonical examples of the Prime Directive being broken that aren't shown on screen? Also, consider to make your answer better than existing one. Please check again the thread youre following up on. That created array has a current element pointer. To pass data to end using explode () is incompatible in this instance, due to the TYPE CASTING of explode () as Array. An example of such a function will look as follows: function( &$x ). Php - Only variables should be passed by reference - iTecNote There is an answer for your question right in the Codex: The first parameter of get_comment function is: The ID of the comment you'd like to fetch. In other words, you need to assign the array to a variable first (ref: manual), and then run array_pop(). Making statements based on opinion; back them up with references or personal experience. Start here for a quick overview of the site, Detailed answers to any questions you might have, Discuss the workings and policies of this site. Would you ever say "eat pig" instead of "eat pork"? PHP Notice: Trying to access array offset on value of type bool in ~/wp-content/plugins/makewebbetter-hubspot-for-woocommerce/public/class-hubwoo-public.php on line 616, Viewing 2 replies - 1 through 2 (of 2 total), PHP Notice: Only variables should be passed by refer, MWB HubSpot for WooCommerce - CRM, Abandoned Cart, Email Marketing, Marketing Automation & Analytics, This topic was modified 2 years, 5 months ago by. And what does it do? rev2023.4.21.43403. Passing 1 there makes no sense. So, I either ditch the bright idea of using a custom error handler (to improve my logging module) or expand all my code. Well, there is, just not in PHPCS itself: https://phpcsutils.com/phpdoc/classes/PHPCSUtils-Utils-PassedParameters.html. What you are doing is getting the text following the final dot. Looking for job perks? (Why not pass 42, or -5?) Asking for help, clarification, or responding to other answers. 565), Improving the copy in the close modal and post notices - 2023 edition, New blog post from our CEO Prashanth: Community is the future of AI. 7) will Bind parameters are expected to be variables so you cannot use return values from functions directly. Edit: And upon closer inspection, I notice you are the author of NewEmptyNonVariableSniff.php haha. Reference - What does this error mean in PHP? Some other answers also list things like the spread operator or array_key_last(), which are also reasonable solutions. this is the best answer for me, the string manipulations just add little mess in the code, Weird. drush rf ). Thanks to the answers I've learnt something about how php does error handling. The output of explode() is not an actual array. As for the 'memory corruption issue' with variable references and certain functions, what can I say? Reference Guide: What does this symbol mean in PHP? Is there a generic term for these trajectories? Until PHP 7, this would throw an E_STRICT notice. As the doc says: in case you read that a few times and, like me, still didn't connect the dots - performed =, PHP: Only variables can be passed by reference. Fatal error: Only variables can be passed by reference - PHP The following snippet generates a notice in PHP 7.0+. If She Doesn't Text Back Is She Not Interested,
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php only variables can be passed by reference