PHP - add string to existing string at certain character position

Question

I am trying to add into a string at the 20th character position (making a collapser).

$link = '<span class="collapse"">'
$string = "Lorem ipsum dolor sit amet, consectetur adipisicing elit. Quam earum ex voluptate autem cupiditate tempora neque quis aliquam asperiores ab debitis nemo cumque, fuga quae, esse illum aut aliquid rem."

// Trying to add $link to $string at 20th character position

look here -> http://stackoverflow.com/questions/8251426/insert-string-at-specified-position someone already asked similar — Jason Schilling, Jun 13 '16 at 10:22

score 0 · Answer 1 · answered Jun 13 '16 at 10:23

Use substr_replace() It Replace text within a portion of a string

$link = '<span class="collapse"">';
$string = "Lorem ipsum dolor sit amet, consectetur adipisicing elit. Quam earum ex voluptate autem cupiditate tempora neque quis aliquam asperiores ab debitis nemo cumque, fuga quae, esse illum aut aliquid rem.";

echo $newstr = substr_replace($string, $link, 20,0);

DEMO

PHP - add string to existing string at certain character position

1 Answers1