thanks outis for nice answer, I didn't know this syntax, however using map and custom code is a strong tool for this - might be inefficient? How can I insert and retrieve a PHP Constant as part of a sentence into a MySQL Database? Why is that so many apps today require a MacBook with an M1 chip? str_replace doesn't work as expected - multi byte character set? array_flip returns the value=>key format of given key=>value array. Also be sure to put quote marks around your strings, http://www.php.net/manual/en/language.types.array.php, http://www.php.net/manual/en/language.control-structures.php. Not initializing array properly may have been the main issue. rev2023.7.17.43535. is there any way to do this task without loop? Connect and share knowledge within a single location that is structured and easy to search. Hot Network Questions What Downtime Activity from Xanathar's Guide to Everything Yields the Greatest Profit? If a key only exists in the first array, it will be left as is. To subscribe to this RSS feed, copy and paste this URL into your RSS reader. 589). Why did the subject of conversation between Gingerbread Man and Lord Farquaad suddenly change? Have I overreached and how should I recover? Should be possible to use the same array for keys and values: This one-line answer may be useful to someone. There isn't (currently) a native function for this exact task. Not the answer you're looking for? Is there an identity between the commutative identity and the constant identity? Asking for help, clarification, or responding to other answers. A bit other and much quicker way, but true, need a loop: You can also give array as a parameter 1 and 2 on str_replace Just a small point to the for loop. Any issues to be expected to with Port of Entry Process? What if. Example #1 array_replace_recursive() example, Example #2 array_replace_recursive() and recursive behavior, Replaces elements from passed arrays into the first array recursively. rev2023.7.17.43535. Not the answer you're looking for? This function works by the following rules: If the string to be searched is an array, it returns an array If the string to be searched is an array, find and replace is performed with every array element The Overflow #186: Do large language models know what theyre talking about? With its simple syntax and flexible parameters, it can be used in a variety of situations, making it an essential tool for PHP developers. as the question changed, this does not exactly answer the OP's question anymore. Or maybe much easier solution than this one invented by me? There are a few techniques on this page that make zero iterated function calls -- which is good performance-wise. (PHP), Replacing a substring with values from an array in PHP, Get matches from a preg_replace and use them as an array key, Replacing matching strings from array keys in a string. But if you are struggling on stuff such as looping, you may want to read some introductory programming material. search and replace value in PHP array - W3docs Values from later arrays overwrite the previous values. Asking for help, clarification, or responding to other answers. While there isn't one function equivalent to the sample code, you can use array_keys (with the optional search value parameter), array_fill and array_replace to achieve the same thing: EDIT by Tomas: the code was not working, corrected it: If performance is an issue, one may consider not to create multiple functions within array_map(). This is a fairly concise version which does not rely on traditional recursion: Note that the use of the word "replace" in the function's description is a bit misleading as none of the parameters are passed by reference, it does not actually replace anything this simply describes from which parameter the resulting values come. PHP: str_replace - Manual redbluegreen. What does "rooting for my alt" mean in Stranger Things? Associative array replace. Thanks for contributing an answer to Stack Overflow! Whether you're working on a simple project or a complex one, the array_replace function can help streamline your development process and make your code more efficient. If your search term may contain characters which have a special meaning to the regex engine, then be sure to escape them with preg_quote() to avoid breakage. Note that function will NOT replace a sub-tree from you $array1 if its value in $array2 is an empty array. The pattern is that the values of the first array is to be used as keys in the second array to find the replacement values. - outis Dec 29, 2011 at 14:29 While my understanding of PHP is imperfect, I believe that arrays are by default ordered by an index and I should be able to access an element of the array using: array[0] or array[1] etc. To subscribe to this RSS feed, copy and paste this URL into your RSS reader. When the value in the first array is scalar, it will be replaced What would a potion that increases resistance to damage actually do to the body? Adding salt pellets direct to home water tank. their respective value recursively. rev2023.7.17.43535. Search and replace inside an associative array, How terrifying is giving a conference talk? This doesn't provide any more information than was already given in the other answer (which happens also to solve the problem). PHP find array of key values and replace. This avoids Notices without making any iterated function calls. By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. Why is category theory the preferred language of advanced algebraic geometry? If there are additional arrays, their values will be used to further replace the values in $array1. thanks outis for your answers however finally I was lucky to use Raghav's solution for one reason: the server of our hosting provider is still running PHP 5.2, so I had to remove all anonymous functions from my code (I developed on PHP 5.3, so it was a little "betrayal"). Is Gathered Swarm's DC affected by a Moon Sickle? What's it called when multiple concepts are combined into a single problem? edited, thanks and sorry. Passport "Issued in" vs. "Issuing Country" & "Issuing Authority". Browse other questions tagged, Where developers & technologists share private knowledge with coworkers, Reach developers & technologists worldwide, The future of collective knowledge sharing, A pretty straight forward and simple solution. Making statements based on opinion; back them up with references or personal experience. If a key from the first array exists in the second array, its value will be replaced by the value from the second array. $ar[array_search('green', $ar)] = 'value'; Depending whether it's the value, the key or both you want to find and replace on you could do something like this: I'm not saying this is the most efficient or elegant, but nice and simple. Return Values Returns an array . Why is the Work on a Spring Independent of Applied Force? I want to replace all array values with 0 except work and home. Not the answer you're looking for? Can you add some explanation to your code? Not the answer you're looking for? I prefer "hardcoded" solution like the Raghav's. arrays and apply the same process to the inner value. How "wide" are absorption and emission lines? This unexplained recursive code makes partial matches/replacements, not necessarily whole value replacements. PHP replace string with values from array Ask Question Asked 9 years, 5 months ago Modified 3 years, 11 months ago Viewed 21k times 8 I have a string such as: Hello <%First Name%> <%Last Name%> welcome and I have a array [0] => Array ( [First Name] => John [Last Name] => Smith ) Temporary policy: Generative AI (e.g., ChatGPT) is banned, replace value in php array with given index, Replace one string in an array but leave others untouched in php. How terrifying is giving a conference talk? Proving that the ratio of the hypotenuse of an isosceles right triangle to the leg is irrational. Temporary policy: Generative AI (e.g., ChatGPT) is banned, Replace the value of a specific key in a flat array. 1. What is the motivation for infinity category theory? PHP array_replace() - Replace Values of Array with another Array You'll either need to return the new array from the function (matching the behavior of the rest of the array_* functions) or make array_replace_value take $ar by reference. (Ep. Using $myarray = array('blue', 'red', 'yellow'); you don't need to initialize the array, since you are creating it with values. will be replaced by the value from the second array. Does Iowa have more farmland suitable for growing corn and wheat than Canada? If you don't want a classic loop, you can use the same technique without modifying the original array. Are there websites on which I can generate a sequence of functions? What is the state of the art of splitting a binary file by size? While regex is not entirely called for, regex offers some very convenient ways to tweak the search term handling. Examples How is the pion related to spontaneous symmetry breaking in QCD? The array passed as the first argument is not modified. i like your answer but still setting $find and $replace remains challenge. Because str_replace() replaces left to right, it might replace a previously inserted value when doing multiple replacements. After this, now you can change the key => value, as you want: In your question, you are using two differents arrays: $myarray and $array, you are having an error because $array[$index] is different to the first $myarray[$i] = "some colorthis changes with each iteration of loop"; Use print_r($yourVariable) to show what is in the variable to debug what you are doing wrong. 10 Answers Sorted by: 15 A bit more elegant and shorter solution. To subscribe to this RSS feed, copy and paste this URL into your RSS reader. Connect and share knowledge within a single location that is structured and easy to search. PHP: array_values - Manual Excel Needs Key For Microsoft 365 Family Subscription, Adding labels on map layout legend boxes using QGIS. The array_replace_recursive () function replaces the values of the first array with the values from following arrays recursively. UPDATE: I forgot to mention that the array has several search1 values and I just want to change the value where the key is == $user. Not the answer you're looking for? What's it called when multiple concepts are combined into a single problem? Find centralized, trusted content and collaborate around the technologies you use most. This might help out people who don't have 5.3 running: // Joins two or more arrays together recursively; key/value pairs of the first, // Traverse the array; replace or add result to original array, // Replace or add current value to original array. Have I overreached and how should I recover? Regardless, I have created the array by explicitly creating an index with the following code employing a loop: In this example, the values of array1 are replaced by the values of array2. Making statements based on opinion; back them up with references or personal experience. smart way? If the key exists in the second array, and not the first, it will be created in the first array. When we replace values of array1 with that of array2 using array_replace () function, the value for key "b" should be replaced in array1 by array2. Are high yield savings accounts as secure as money market checking accounts? Multiplication implemented in c++ with constant time. By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. Making statements based on opinion; back them up with references or personal experience. What does Bitcoin Core need to be upgraded to 1.0? Are high yield savings accounts as secure as money market checking accounts? And I am trying to use str_replace like this: The result should be A good glass in the bishop's hostel in the devil's seat, but instead, I get p voos vlpss xn twt qxswop's wosttl xn twt stvxl's stpt. Find centralized, trusted content and collaborate around the technologies you use most. Find out all the different files from two different paths efficiently in Windows (with Python). (Demo), $input[$green_key] = 'apple'; // replace 'green' with 'apple'. US Port of Entry would be LAX and destination is Boston. php - Search and replace inside an associative array - Stack Overflow The array_replace () function is a builtin function in PHP and it takes a list of arrays separated by commas (,) as parameters and replaces all those values of the first array that have same keys in the other arrays. Obviously, but your not answering the OP question. or much simple (and probably more efficient), use Brian H. answer (and replace search strings by <%First Name%> and <%Last Name%>). php - How to replace array key by its value - Stack Overflow Asking for help, clarification, or responding to other answers. To learn more, see our tips on writing great answers. Find out all the different files from two different paths efficiently in Windows (with Python). PHP array_replace() Function - W3Schools Also my input data is coming from a user submission and the amount of array elements may be very large. What I need to do is take the string and replace the words in <% with the actual text from the array, Im not sure how to accomplish this but I cant even seem to replace it with regular text, Sorry I should of mentioned that the array keys may vary as well as the <%First Name%>, so it could even be <%city%> and the array can be city=>New York, You can use an array for both the search and replace variables in str_replace. Managing team members performance as Scrum Master. 589). Asking for help, clarification, or responding to other answers. Otherwise use a classic loop and modify the input array's values by reference. Connect and share knowledge within a single location that is structured and easy to search. Find centralized, trusted content and collaborate around the technologies you use most. Derivative of cross product w.r.t. Can something be logically necessary now but not in the future? How can I replace a specific key's value in an array in php? Any issues to be expected to with Port of Entry Process? Making statements based on opinion; back them up with references or personal experience. Check if string has substring and remove it? What is Catholic Church position regarding alcohol? Result of numerical computation representing a real physical quantity still contains a small imaginary components. Are there websites on which I can generate a sequence of functions? Here's an example: <?php $originalArray = [ 1, 2, 3, 4, 5 ]; $newArray = array_map (function ( $value) { return $value == 3 ? replace data in array with str_replace function, php array and str_replace working together, Str_replace inside mutlidimensional array. PHP: array_replace - Manual Definition and Usage The array_replace () function replaces the values of the first array with the values from following arrays. 589). The only thing you may not do is anything that may disturb the order in the array, like unset() or key manipulation. A proper explanation. For those wondering, stristr should be used for scenarios requiring case insensitive application. If the array contained the value "search12", it would be changed to "search42". second array, and not the first, it will be created in the first array. 9 : $value ; }, $originalArray ); print_r ( $newArray ); Try it Yourself If a key from array1 exists in array2, values from array1 will be replaced by the values from array2. Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. For example, I might want to change $array[0] from red to purple. To subscribe to this RSS feed, copy and paste this URL into your RSS reader. Why is category theory the preferred language of advanced algebraic geometry? @Tarquin Not quite - stristr is the case insensitive version of strstr, not strtr (These names!) When a customer buys a product with a credit card, does the seller receive the money in installments or completely in one transaction? Regardless, I have created the array by explicitly creating an index with the following code employing a loop: Note I end up with something like 1=>red,2+>blue,3+>green etc. @Tomas: is the syntax you're referring to. 589). The function returns the updated array. Is Gathered Swarm's DC affected by a Moon Sickle? Parameters array The array in which elements are replaced. subject The string or array being searched and replaced on, otherwise known as the haystack . How would you get a medieval economy to accept fiat currency? I was looking for some standard PHP function to replace some value of an array with other, but surprisingly I haven't found any, so I have to write my own: But I still wonder - for such an easy thing there must already be some function for it! (Demo), I might be more inclined to use array_map() with arrow function syntax so that global variables can be accessed within the custom function scope. Is this color scheme another standard for RJ45 cable? By clicking Post Your Answer, you agree to our terms of service and acknowledge that you have read and understand our privacy policy and code of conduct. The other answer stated the exact "why" that you posted above. For best maintainability, I recommend separating your list of targeted string as a lookup array. The value of "c" in array2is added to the result array, since it does not exist inarray1. The Overflow #186: Do large language models know what theyre talking about? If you don't want to use a lambda function, define a normal function or method and callback to it. Not to say that it doesn't make sense for you to create such a function, if you find yourself needing it often. Same mesh but different objects with separate UV maps? You'll either need to return the new array from the function (matching the behavior of the rest of the, Thanks @outis, I realized this myself during debugging in the meantime :). What does Bitcoin Core need to be upgraded to 1.0? Starting the Prompt Design Site: A New Home in our Stack Exchange Neighborhood. rev2023.7.17.43535. In this example, the values of array1 are first replaced by the values of array2, and then by the values of array3. Downvote for you. Browse other questions tagged, Where developers & technologists share private knowledge with coworkers, Reach developers & technologists worldwide, The future of collective knowledge sharing. Which field is more rigorous, mathematics or philosophy? Making statements based on opinion; back them up with references or personal experience. I have created an array in PHP of strings. 1. preg_replace with associative array.