split a string into links using the comma
this is a common function for some field data, lets say you have a string like this.
category one, category two, another category in one field or string
but i want it to display like this
category one, category two, another category
How can i do this consistantly based on the comma?
I think the best way (or at least one easy way) to do this would be to use the explode function in php. As the explode function takes one (or more) character in the string and then splits the string into an array.
PHP - Explode Function
explode(string $separator, string $string, int $limit = PHP_INT_MAX): arraythen once its an array we can loop through each element and add this to the format that we require.
also you can remove the trailing comma from the last item with
PHP
$cats_links_html = rtrim($cats_links_html,", ");PHP
// this splits the string into an array and then loops through the array
$cats = "category one, category two, another category";
$cats_array = explode(",",$cats);
$cats_html = "";
foreach ($cats_array as $cat_key => $cat_value) {
$cats_html .= "\$cat_key: $cat_key = \$cat_value: $cat_value <br>";
}
echo $cats_html;
// now we can add the links
// also added a trim and urlencode and htmlentities there to make sure we dont have any excess spaces or html breaking / urlbreaking characters in there
$cats_links_html = "";
foreach ($cats_array as $cat_key => $cat_value) {
$cat_value_urlenc = urlencode(trim($cat_value));
$cat_value_html_safe = htmlentities($cat_value);
$cats_links_html .= "<a href='#$cat_value_urlenc'>$cat_value_html_safe</a>, ";
}
echo $cats_links_html;$cat_key: 1 = $cat_value: category two
$cat_key: 2 = $cat_value: another category
category one, category two, another category
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"Olivia, my eldest daughter, caught measles when she was seven years old. As the illness took its usual course I can remember reading to her often in bed and not feeling particularly alarmed about it. Then one morning, when she was well on the road to recovery, I was sitting on her bed showing her how to fashion little animals out of coloured pipe-cleaners, and when it came to her turn to make one herself, I noticed that her fingers and her mind were not working together and she couldn’t do anything. 'Are you feeling all right?' I asked her. 'I feel all sleepy,' she said. In an hour, she was unconscious. In twelve hours she was dead. The measles had turned into a terrible thing called measles encephalitis and there was nothing the doctors could do to save her. That was...in 1962, but even now, if a child with measles happens to develop the same deadly reaction from measles as Olivia did, there would still be nothing the doctors could do to help her. On the other hand, there is today something that parents can do to make sure that this sort of tragedy does not happen to a child of theirs. They can insist that their child is immunised against measles. ...I dedicated two of my books to Olivia, the first was ‘James and the Giant Peach’. That was when she was still alive. The second was ‘The BFG’, dedicated to her memory after she had died from measles. You will see her name at the beginning of each of these books. And I know how happy she would be if only she could know that her death had helped to save a good deal of illness and death among other children."
I just checked google books for BFG, and the dedication is there.
https://www.google.com.au/books/edition/_/quybcXrFhCIC?hl=en&gbpv=1
Roald Dahl, 1986
