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php function to perform operation on all occurrences of a substing in a string

I want a php function to identify every sub-string in a string between 2 tags, then apply a process such as htmlentities() to the substring and then replace each substring with the new one. Needs to be commented so I can add other php operations to the substring such as htmlspecialchars() for example:-

hello, how are you to make things bold you do this <code><b>this is bold</b></code> and this is in <code><i>italics</i></code> would become:-

hello, how are you to make things bold you do this <code>&lt;b&gt;this is bold&lt;/b&gt; and this is in <code>&lt;i&gt;italics&lt;/i&gt;</code>

The tags must be passed as parameters - example <code> and </code> because I may use others or even text - eg: **start** and **finish**

I expect part of the function to look like:-

$substr = htmlspecialchars($substr)

$substr = htmlentities($substr)

so i can easily add in more instructions. The strings being processed may be very long, up to 1mb or more. The strings may contain also ' and ""

This is a very quick simple project so I will be looking at the bidder, it really is a few minutes work!

Skills: HTML, MySQL, PHP

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About the Employer:
( 19 reviews ) koh rong, Cambodia

Project ID: #19243958

16 freelancers are bidding on average $27 for this job

maxsmith8

Hello there, I am interested and ready to start, lets discuss with details. To gain some confidence, here are some of our previously completed projects:- [login to view URL] [login to view URL] More

$30 USD in 0 days
(262 Reviews)
8.0
gursukh

yes sure I can help you now I have no timing issue I'm Individual freelancer with great experience thanks.

$30 USD in 0 days
(184 Reviews)
6.6
techplusintl

Hi there, Greetings from TechPlus! I've reviewed requirements & ready to write php function to identify every sub-string in a string between 2 tags. 5+ Years Expertise in : CMS (Wordpress, Magento, Shopify, O More

$25 USD in 1 day
(91 Reviews)
6.0
NadirBouchama

Hello there! how are you doing? Can you please provide more details about the project? if the project is fairly paid I can build you a small part of it as form of a demo, afterwards you'll decide if you should hire me More

$30 USD in 1 day
(56 Reviews)
5.9
HadiDar786

Hi I am software engineer and full stack PHP developer your project is looking very interesting and I am looking forward to your message

$30 USD in 1 day
(76 Reviews)
5.7
vladshoob

Hi. It is really couple (20-40 minutes) of work with proper tests and communication. I will write a function that will accept array and change your string accordingly. Please provide example for me and you will r More

$24 USD in 0 days
(30 Reviews)
5.5
AbhishekGarg001

Hello As I can see from job posting, you are in need of a Php expert who can help you with your Php developer project. Well, I am highly interested in applying for this. I have been working on Php projects for 4 ye More

$30 USD in 1 day
(84 Reviews)
5.4
ankitbagre2000

Hey, employer. I already have read your description carefully. I have 5+ years enough experience in website development. My major skill are HTML5, CSS3, JavaScript, JQuery, Bootstrap, MySQL etc. I am reliable fr More

$25 USD in 1 day
(28 Reviews)
4.6
aswebsmart

Hi, Your requirements are fully clear to me and I am applying only because I meet all the requirements that you are looking for. I have been working as a wordpress developer and designer for more than 6 years and I More

$25 USD in 1 day
(29 Reviews)
4.4
idrisakano

Hello Employer, kindly reachout to me. I can help you work on the code snippet for you substring operations. Looking forward to reading from you

$30 USD in 1 day
(7 Reviews)
4.1
ashishcompwiz

Hi, I can decide rates from your side (price can be negotiated) I understand your requirement I have knowledge in this filed 5+ yr. kindly let me know in brief what kind of requirement do you have lets can show you my More

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(7 Reviews)
4.0
elena0315

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(9 Reviews)
3.3
uzthegeek

Dear Client, I've read your project carefully and very interested; I am certified professional in key area and it's super easy project for me. I can start right away as i always beat deadlines you can check my re More

$28 USD in 1 day
(9 Reviews)
3.0
nevermind23

Doesn't matter how long your string is, I will write function to parse text between <code></code> tags and replace it with htmlspecialchars, htmlentities() takes too much memory, I will write way more simple and fast c More

$25 USD in 1 day
(0 Reviews)
0.0
YOURHELPER007

Hey Sir! I am new in freelance but I have relevant experience have done project in php Give me a chance please.

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0.0
KeyDevs

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0.0