explode() is used to break a string into an array. And using PHP's preg_replace we insert the desired text before the second paragraph. Stack Overflow Public questions & answers; Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Talent Build your employer brand ; Advertising Reach developers & technologists worldwide; Labs The future of collective knowledge sharing; About the companyUse strpos to find the first occurrence and use it again to find the point to end using. needle and. We print first and last. When working with forms, you often need to check if a variable exists in the $_GET or $_POST by using the ternary operator in conjunction with the isset(). Using implode ()/explode () function. The boundary string. Publishing with initial as first name & middle and last name spelled out in fullSummary: in this tutorial, you’ll learn how to read a file using the various built-in PHP functions. ’, which will return a ‘. s. Yet another methods is to use the PHP explode() and list() functions. `. Find the first occurrence and the last occurrence of the small string in the. With the following string to share with just the first. This function is used when we need to split a string using a specific character or string present in that string. _three_four"; $explodeResultArray = explode("_",. The syntax of the explode () function is as follows: array explode ( string $delimiter , string $string [, int $limit = PHP_INT_MAX ] ) The function takes two required parameters: the. I require to match first occurrence of the following pattern starting with s or ( then NIC followed by any characters followed # or . i can not comment so i will do a fast answer. 5:1-5 John is weeping much because only Jesus is worthy to open the book. Defects in cellular DNA repair mechanisms ~ 01/09/14 - 31/08/16. The substr() is considered a built-in function in PHP, applied for extracting a part of a string. We will also provide some examples of how it can be used in real-world. Regular expression used : preg_m. 773. PHP Implode function returns a string from an array. str_shuffle — Randomly shuffles a string. Returns the position of the last occurrence of a string inside another string, or FALSE if the string is not found. If the limit parameter is negative, all components except the last -limit are returned. Locate the first Occurrence of a Substring: strpos() Replace All Occurrences of a Substring: str_replace() Join an Array of Strings: implode() Split a string by a separator: explode() Remove Characters from Both Ends of a String: trim() Strip Characters from the Beginning of a String: ltrim() Strip Characters fro the End of a String: rtrim()You can simply use a notation like myvalue[] on the client side and the form submission will result in an array $_POST['myvalue'] getting prepared on the server side you can use like any other array without the need to explode something first. Stack Overflow Public questions & answers; Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Talent Build your employer brand If explode() does not do what you need then don't use explode(). I am trying to explode a string using PHP but when only if the second instance of the delimiter is detected before exploding it, for my case i want to explode it after the second space is detected. If using explode() be sure to limit the explosions for best efficiency. explode() It is used to break a string into an array. , 123 Lincoln St. Note: String positions start at 0, and not 1. str_split — Convert a string to an array. how to explode following string. In the subsequent calls, it continues tokenization by tracking the delimiter’s position. More accurately, your task should be described as "How to trim the trailing characters starting from the first occurrence of a listed character?". PHP – Split String by New Line. er index: 12 = something. string. Courses. The main thing with using strpos() though is that it will return false if not found. Note: This function is binary-safe. Regex extracting characters between last and second last occurance of character. PHP Explode function. fprint(). The function returns the position of the first occurrence of the substring within the string, which is 16. followed by 5 or 6 digits. Example 1: Implementation of explode() functionSummary: in this tutorial, you’ll learn about the PHP Null coalescing operator to assign a value to a variable if the variable doesn’t exist or null. Use the PHP mb_substr () function to extract. However, str_replace always replaces all matches, there's no way to limit it to just the first match ( preg_replace is similar). 0. com Close Windowstrpos in PHP is a built-in function. PHP explode() is a built-in function that is used to split a string into a string array. Find the first occurrenceand the last occurrence of the small string in the large string. This is because the algorithm iterates over each element in the input list once. explode_nth. I'd like to remove the first word from a string using PHP. patch() df_zlp_people_cnt3 = df_zlp_people_cnt2. offset. Is there a better/more efficient way?. Definition and Usage The explode () function breaks a string into an array. While substr_replace is a somewhat unwieldy function to use owing to all the parameters, the real issue is that doing string manipulation by numbers is just tricky sometimes - you have to be careful to pass the right variable/offset to functions. It returns an array of strings. Viewed 4k times. e. stripos() - Find the position of the first occurrence of a case-insensitive substring in a string; strrpos() - Find the position of the last occurrence of a substring in a string; strripos() - Find the position of the last occurrence of a case-insensitive substring in a string; strstr() - Find the first occurrence of a stringLocate the first Occurrence of a Substring: strpos() Replace All Occurrences of a Substring: str_replace() Join an Array of Strings: implode() Split a string by a separator: explode() Remove Characters from Both. Use the negative offset to extract a substring from the end of the string. string. I'm looking for the quickest/shortest way to get the first value from comma separated string, in-line . To capture the position of occurrence to return. split('sep', 1) to split the string at the first occurrence of a given delimiter. SyntaxThen you just use the mysplit function, and you'll get an array with two substrings. 6) silently ignored the charset parameter in. Call explode() and pass the new line ' ' separator string, and given string as arguments. This function is case-sensitive. string. In this PHP tutorial, you shall learn how to split a given string by new line separator using explode() function, with example programs. Probably a regex would be better than just splitting based on spaces. The second returns the whole string. The sanitize() function sanitizes data based on specified filters and returns an array that contains the. php; split;. To replace the first occurrence of a search string in a string with a replacement string in PHP, use substr_replace () function. Please note that all the answers may not help you solve the issue immediately. explode () returns an array containing words. Although you can set the charset in the options of the constructor, it's important to note that 'older' versions of PHP (before 5. It can be useful for processing and manipulating data from user inputs, files, etc. Use the PHP substr () function to extract a substring from a string. Syntax Then you just use the mysplit function, and you'll get an array with two substrings. Output: Found at position 11. Also, if your words to split on are all single characters, try strtok() . The callback function takes each element of the array as an argument and you simply return false if that element should be removed. This string is also possible: Paris to London Luton. 1. Learn more about CollectivesPHP Explode like functionality except when character falls anywhere between another set of characters. 3, then the function below should work accurately:So basically, I am simply trying to search for a string within a string. Parameters. PHP String. I'd have thought the obvious and simple way would be to work on each line separately and only then explode on =, using the $limit parameter set to 2, which means that it will only split on the first =. Final Thoughts. 1. my_str = "learn Python programming at at learnshareit. The explode() function helps splitting the string based on the string’s. PHP Version: 4+. b. The explode() function of the PHP Programming Language is an inbuilt function which helps in splitting a string into many different strings. Viewed 25 times Part of PHP Collective. Locate the first Occurrence of a Substring: strpos() Replace All Occurrences of a Substring: str_replace(). Both of them replaced the first occurrence of <p> with Hello <p>. Each solution had to satisfy this set of test cases. How can extract piece of string which is located between second occurrence of the ":" character and second occurrence of "," in piece of string? substr() can't help me, since the length of the peace of the string that I want to extract may vary. Perhatikan bentuk penulisan fungsi explode berikut ini: explode (delimiter, string) Dalam penulisannya, explode memerlukan 2 parameter yaitu: Delimiter : Karakter yang digunakan sebagai acuan pemisah misalkan “,” komma dsb. split("at ", 1) 3. The PHP strpos() function returns the index of the first occurrence of a substring within a string. Computer Science Looking for an introduction to the theory behind programming? Master Python while learning data structures, algorithms, and more!. This article demonstrates how to replace the first occurrence of a substring in a string in PHP. PHP substr when the string starts with a 0. Apple Green Yellow Four Seven Gray My initial code Two one liners - I suspect the first one is faster but second one is prettier and unlike end() and array_pop(), you can pass the result of a function directly to current() without generating any notice or warning since it doesn't move the pointer or alter the array. 0, the find parameter may now be a string of more than one character. Ask Question Asked 9 years,. Feb 15, 2012 at 15:46. 2. Find the numeric position of the first occurrence of needle in the haystack string. Featured on MetaIn PHP, the implode function is used to join elements of an array into a single string. Apple Green Yellow Four Seven Gray My initial codeTwo one liners - I suspect the first one is faster but second one is prettier and unlike end() and array_pop(), you can pass the result of a function directly to current() without generating any notice or warning since it doesn't move the pointer or alter the array. Note: String positions start at 0, and not 1. Create a second array from the words after strpos + strlen and display the first word in that array. Regex is generally expensive and i wouldn't recommend it for something as simple as this. strstr () Find the first occurrence of a string. Once we have the position of the first colon character, we can use the substr function. Parameters. Use common explode function to get all strings; Get sizeof array and fetch last item; Pop last item using array_pop function. The function accepts 5 parameters, listed below: The second is the replacement string. I need your help to finish my homework. Best Practices. I'd have thought the obvious and simple way would be to work on each line separately and only then explode on =, using the $limit parameter set to 2, which. – Converting the string to an array and using in_array(): You can split the string into an array of words using the explode() function and then use the in_array() function to check if the desired word exists within the array. import pandas_explode pandas_explode. Is there a better/more efficient way?. And then the $1 will replace everything it matched before that so IOW this. Use the negative length to omit a length number of characters in the returned substring. 1 Answer. stripos() Function: This function also helps us to find the position of the first occurrence of a string in another string. PHP Flash Messages. I have street address strings (e. 1. The string that will be trimmed. PHP split string to next period (. str_contains() - Determine if a string contains a given substring str_ends_with() - Checks if a string ends with a given substring stripos() - Find the position of the first occurrence of a case-insensitive substring in a string strrpos() - Find the position of the last occurrence of a substring in a string strripos() - Find the position of the last occurrence. The input string. The PHP strpos() function returns the index of the first occurrence of a substring within a string. large string. php -r 'print_r (explode (",", "this is a test"));' Array ( [0] => this is a test ) If delimiter contains a value that is not contained in string and a negative limit. 1. If a string might have a trailing delimiter and you don't want that, then just rtrim() the. Optionally, the stripped characters can also be specified using the characters parameter. PHP Flash Messages. 0. Exploding a string, only at the last occurrence of the explode match. PHP Version: 5+. Split a string using a delimiter and return two strings split on the the nth occurrence of the delimiter. Display a flash message specified by a name. strstr () Find the first occurrence of a string. There is another PHP function strtok(), Example is give in other answers. The following is a step by step process to split given string into words. This tutorial demonstrates various ways to utilize the explode() function. To answer you question. Sample code in php using preg_replace:If not you can use strpos first. What you're doing is essentially parsing a CSV file and looking to match the first cell in a given row to your selected date then return the proceeding cells from that row. 2. Eventually you will always replace the first one. It is a Case-insensitive. PHP: Explode by the nth occurrence Raw. Return Value: Returns the position of the last occurrence of a string inside another string, or FALSE if the string is not found. I'm looking for a way to replace all but first occurrences of a group or some character. Parameters. It has many practical applications, such as splitting CSV files or extracting data from HTML documents. 0. So we need to split up the string into an array, using str_split(), and then use array_count_values() to count it. This sign is known as a delimiter. Suppose that you have a list of column names, including first_name, last_name, and email. W3Schools offers free online tutorials, references and exercises in all the major languages of the web. 0. Find the first occurrence and the last occurrence of the small string in the. This can be done similar to the following:. While it would be very easy to test, I'll just show the output. I have the the next string: String = "Name: James, Training, Physician, Hobbies: Sports, Reading, Age: 24". 0. – Supericy. Learn more about CollectivesIf explode() does not do what you need then don't use explode(). So this uses ?: PHP_INT_MAX to say if the comma is not found, then set it to the maximum integer, so the comparison will think the comma is past the -. For case-insensitive searches, use stristr(). str_shuffle - Randomly shuffles a string. To use the literal you first need to escape the backslash itself with another backslash like . This is because the hacker inserted their malicious code on the same line as the existing first line so if I just remove line 1 every file will have errors as the opening PHP. Hot Network QuestionsOld question, but if someone's looking for a way to find occurrences from the END of the string (for example 3rd occurrence of dot from the end) the following function works (didn't want to use oncodes function not to mess with encoding)strtok () splits a string ( string ) into smaller strings (tokens), with each token being delimited by any character from token . i want to explode some file name like below but don't want to explode the first "iw5_m4a1_mp" i need to skip the "iw5_m4a1_mp" so how i can do that?! and also i. But result is nice and shiny! From php. The function strstr() in PHP 5. (Almost 5 times faster in small strings as well). array. Also count the total number of occurrences of small string in the large. 1. You can do this by using the strrpos() function (be careful, it is with 2 r); Then, if you provide this position as a negative value, as a second parameter to the substr() function, it will start the search of the substring from the end. Changelog: As of PHP 5. If you wanted to statically write the search string. how to take part of a string using explode() 0. The only way I can think of doing it at the moment is to explode the string using the comma to turn it into an array and then check each value for a match. Ask Question Asked 14 years, 5 months ago. 7k. Hot Network QuestionsYou can use the following PHP functions. groups pushing for special licenses for large trucks and SUVs? Is "Mutually Assured. This is because the algorithm creates a list of sublists, where each sublist contains some or all of the elements from the input list. Find centralized, trusted content and collaborate around the technologies you use most. Pretty-Printing JSON with PHP. Stack Overflow. sqlPHP Collective Join the discussion This question is in a collective: a subcommunity defined by tags with relevant content and experts. 1. strpos() - Find the position of the first occurrence of a substring in a string; stripos() - Find the position of the first occurrence of a case-insensitive substring in a string; strrpos() - Find the position of the last occurrence of a substring in a string; strrchr() - Find the last occurrence of a character in a string; stristr() - Case. By specifying 2 for the limit parameter in explode(), it returns array with 2 maximum elements separated by the string delimiter. Ch. but since the first occurrence is after the delimiter, it will be. Ask Question Asked 9 years, 11 months ago. Or use it and process the value it returns to achieve your goal, don't expect it to do what it was not designed to do. This input string contains country names. The last character in the input string has an index of -1. Also count the total number of occurrences of small string in the large. fprintf — Escreve uma string formatada para um stream. 05-Jul-2021. Find the Minimum length Unsorted Subarray, sorting which makes the complete array sorted. As you can see the people column had series of people, and I was trying to explode it. 0. It is case-sensitive function. Every subsequent call to strtok only needs the token to use, as it keeps track of where it is in the current string. split () Function: The split () function in PHP is used to segregate the input string into different elements. 95. the possibility of mistakes. This will give you a position in the string. Use str_replace instead of preg_replace, since you're replacing a literal string, not a regular expression pattern. str_replace() does not have the capability to limit the number of replacements. But how do I split on the first occurrence and keep everything after the first occurrence? Examples: $split = explode('-', 'orange-yellow-red'); echo $split[1]; // output: "yellow" ^ I would like this to output: yellow-red Here is what you need: using list() with explode(): list($var1, $var2) = explode(' - ', 'this - is - line - of whatever - is - relevant', 2); Note the spaces around the "-" (minus sign) Definition and Usage The explode () function breaks a string into an array. ) Hot Network Questions Can a computer be guilty of insider trading?In PHP, the `explode()` function is used to split a string into an array by a specified delimiter. Aug 7, 2014 at 15:06. If it is about SQL queries, or something similar, you are probably going to replace every question mark, so if you start with the first one, then afterwards the second will be the first. The strstr () function and stristr () function can find the first occurrence of a substring (second parameter) inside another string (first parameter), and return all characters from the first occurrence till the end of the string. The fourth parameter is known as the. Demonstration at eval. Up Next. The preg_replace function allows you to perform a regular expression based search and replace inside of strings. I have a comma separated list, and would like to remove the first occurrence of 1 from the list, but also removing any extra commas that were separating that value. Subsequent array elements contain every character after the. 1. It returns an array of the substrings produced. a sub-array, containing the position of each item. This is probably the simplest and easiest way to understand. When using 'explode' to create an array of strings from a user-specified string that contains newline characters, you may wish the resulting array to correctly reflect the user's intentions by ignoring any final empty line (many users like. Syntaxcrc32 — Calcula polinômio crc32 de uma string. 7, included in the regex/ subdirect Note: the explode function will explode all the values after each space. Note: String positions start at 0, and not 1. We always update last=i whenever we find the element. Search for: Getting Started. Returns an array indexed with the encapsulated text, which is in turn. Use the PHP mb_substr () function to extract. get_html_translation_table — Returns the translation table used by htmlspecialchars and htmlentities. This way, we were able to combine the explode () and in_array () functions to check if a text exists in a string. Here's a simple class I created to wrap our slightly modified str_replace () functions. PHP Regex Remove Everything After Last Character In String. I do not like the indirect-ness of generating a temporary array when a string. str_rot13 — Perform the rot13 transform on a string. There are many more methods to get the first or last array of an element in PHP. eg: "White Tank Top" so it becomes "Tank Top" Thanks One such function is the explode() method, which splits string data into multiple parts using a specified delimiter. A string is a zero-based index. ; Close the file using the fclose() function. PHP implode and PHP explode are two common functions used in PHP when working with arrays and strings in PHP. net: Note that only the first call to strtok uses the string argument. The strstr () function searches for the first occurrence of a text in a string. 2. Therefore, you can access a character at a specific position in a string using the square brackets []. a couple of other examples: bef. However, there may be cases when you want to split the string only at the first occurrence of the delimiter, which is usually a whitespace. The following gives me 1-2 ms for the fixed-length "substr" method, 4ms for the "shift-implode" method, and 1-2 ms for the variable-length "substr" method. Thanks, BrookeUse the String. This makes sure the statement and the values aren't parsed by PHP before sending it to the MySQL server (giving a possible attacker no chance to inject malicious SQL). , 2453 Park Ave). any numeral characters that appear before letters in each address. Split a string using a delimiter and return two strings split on the the nth occurrence of the delimiter. Auxiliary space: O(n), where n is the length of the input list. PHP remove everything before last instance of a character. Learn more about CollectivesPHP end () Function. If you want to catch an word on it you need to be more specific on how it'll work. For example, if you're simply outputting data straight from an HTML form. 2. So try to get your comma separated text data into list format. False. The second returns the whole string. If true, stristr() returns the part of the haystack before the first occurrence of the needle (excluding needle). something. strstr () function is case-sensitive and stristr () is case-insensitive. PHP substitutes variables embedded in a double-quoted string. Syntax explode ( separator,string,limit ) Parameter Values Technical Details More Examples Example Using the limit parameter to return a number of array elements: <?php explode (PHP 4, PHP 5, PHP 7, PHP 8) explode — Split a string by a string Description ¶ explode ( string $separator, string $string, int $limit = PHP_INT_MAX ): array Returns an array of strings, each of which is a substring of string formed by splitting it on boundaries formed by the string separator . Get the Leng of a String: strlen() Search for a Substring in a String: substr() Locate the first Occurrence of a Substring: strpos() Replace All Occurrences of a Substring: str_replace()The explode() function in PHP is used to split a string into multiple strings based on the specified delimiter. Call explode () function, with the delimiter and string passed as arguments. SELECT * FROM table WHERE ( FIND_IN_SET('1',. By using these functions effectively, you can easily manipulate and. Answer by Annabelle Poole mb_strrichr — Finds the last occurrence of a character in a string within another, case insensitive,mb_stristr — Finds first occurrence of a string within another, case insensitive, Basics of Japanese multi- byte encodings , Multibyte character encoding schemes and their related issues are fairly complicated, and are beyond the. limit: It is optional and specifies the number of array elements to return. Here’s the syntax of the ucfirst() function:I am using laravel php and trying to explode a string into an array. Define the delimiter. (It runs out of memory if I. It is the string to split. explode () function takes the delimiter/separator string, and the original string as arguments, and returns an array of strings obtained after splitting the given. In this case, we want to get the first occurrence of the colon character. 2nd, this pattern will greedily match everything to the end of the string and then give up characters until it finds a ] so IOW it will actually match for the last occurrence of ] in the string. net: Note that only the first call to strtok uses the string argument. Note: the explode function will explode all the values after each space. The strrchr () function finds the position of the last occurrence of a string within another string, and returns all characters from this position to the end of the string. I have three small strings, one, two, three And I have one large string, which is saved as a variable and is quite long. a. length. Q: 2) Write a PHP script for the following: Design a form to accept two strings from. To do that, you can use the implode () function to join the string elements like this:The explode() function of the PHP Programming Language is an inbuilt function which helps in splitting a string into many different strings. 40GHzIntel(R) Xeon(R) CPU E5620 @ 2. ; String: data yang akan diolah menjadi array; Element: parameter terakhir ini opsional tujuannya untuk melimitasi jumlah array, bisa menggunakan plus untuk dimulai jika menggunakan. Good on ya. split("at ", 1) 3. Alternatively, you can split the string into two parts using the given character as a delimiter. Learn more about CollectivesCollectives™ on Stack Overflow. Stack Overflow Public questions & answers; Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Talent Build your employer brand ; Advertising Reach developers & technologists worldwide; Labs The future of collective knowledge sharing; About the companystr_replace — Replace all occurrences of the search string with the replacement string. Php – How to Sort a Multi-dimensional Array by Value; Php – Reference — What does this symbol mean in PHP; PHP – Check if two arrays are equal; Php – How to trim white spaces of array values in php; Php – Cannot use object of type stdClass as array; Php – How does PHP ‘foreach’ actually workPrior to PHP 8. Display a flash message specified by a name. Syntax: Below is the provided syntax for the explode() function. The only way I can think of doing it at the moment is to explode the string using the comma to turn it into an array and then check each value for a match. There is another PHP function strtok(), Example is give in other answers. Third param: If TRUE, strstr () returns the part of the haystack before the first occurrence of the needle (excluding the needle). To learn more about this, first familiarize yourself with the complete syntax of the explode() function:But if we pass number 1 as the second argument, split () only splits at the first separator position. This function/behaviour can be used to replace the first. Its use is to find the first occurrence of a substring in a string or a string inside another string. Find centralized, trusted content and collaborate around the technologies you use most. strcmp() Binary safe. Share. 2. Define PHP filter() function. The most common delimiter is the forward slash (/), but when your pattern contains forward slashes it is convenient to. PHP rtrim. Using the third argument to the explode () function, you can ensure you only split the string once at the first match. This is because the algorithm iterates over each element in the input list once. The first array element contains every character from the first character of the string to the first occurrence of the character(s) contained in the boundary argument. Using PHP If Statement with 2 conditions and Explode Function. However, we only want two. This is obviously silly logic and doesn't work, stristr seems to only replace the first occurrence so something like "test 123" would only get rid of the "test" and would return "123" I've seen this can also be done with regex but I haven't found a dynamic exmaple of that. You can use array_filter to filter out elements of an array based on a callback function. str_split — Convert a string to an array. instead of thinking in terms of explode () you should think in terms of "find the first character and. Arr::first() The Arr::first method returns the first element of an array passing a given truth test:. This blog post will discuss the recommended techniques for utilizing the PHP explode function. The $ stands for "end of the string", and the idea is to consider the match fine, even if there is no second dot, but only if you're at the end of the string. Consider the following (complete) syntax of the. Before we check the source code to get any word from any position using PHP, we do some introduction about PHP explode function. To split a string by comma delimiter in PHP, use explode() function. Remove everything from the first occurrence of a character to the end of a string in PHP (6 answers) Closed 6 months ago . I need to split text delimited by paragraph tag. Check a string for occurrence of multiple values in PHP. The boundary string. In the following section, we’ll define a set of functions that do the following: Create a flash message with a name. Sample code: Stack Overflow Public questions & answers; Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Talent Build your employer brand Summary. Modified 2 years, 8 months ago. Explode and leave delimiter. The search is performed right to left, searching for the first occurrence of needle from the selected byte. The syntax of PHP explode function is straightforward. Below are the steps to implement the above idea: Run a for loop and for i = 0 to n-1. From: Research (R Codes). strpos() - Find the position of the first occurrence of a substring in a string; stripos() - Find the position of the first occurrence of a case-insensitive substring in a string; strrpos() - Find the position of the last occurrence of a substring in a string; strrchr() - Find the last occurrence of a character in a string; stristr() - Case. The W3Schools online code editor allows you to edit code and view the result in your browserIf you are going to use explode(), then don't ask php to perform more than 1 explosion. Our php::str_rreplace () function also allows you to carry out a reverse, limited str_replace () which can be very handy when trying to replace only the final X instance (s) of a string. For example, you could use array_values() and then get the first or last element. First-born in a case of two wives How to extract coefficients and powers from expressions with non integer powers? Are any U. Now, let's say I want to remove every but first occurrence of 555, A and B. SELECT * FROM table WHERE ( FIND_IN_SET('1',. In PHP, the explode() function splits a string into an array based on a specified delimiter. Find the occurrence of backslash in a string. Use the PHP substr () function to extract a substring from a string. substr_replace () function can replace a substring (defined by offset index in original string, and length) in the original string with a replacement string. The function accepts 5 parameters, listed below: The second is the replacement string. PHP - Replace First Occurrence - Free PHP Programming Tutorials, Help, Tips, Tricks, and More. The array destructuring syntax will capture the two parts of the string in separate variables. er index: 5 = ore@PraveenKumar I didn't downvote, but your first answer revision was a very poor one. I do not know how far back the first dot is from the index nor do I know how far the second dot is. 2.