I have a variable in my PHP script like
ASSFDDDDDDDDDDDDDASDDDDDDDDARYTRHKKHHHHHHHHHHH and positions 5-10
I want to replace these positions with another color .
$newpat="<font color=blue>$pat</font>";
can someone tell me what function to use and how, I tried string_replace, but didn't work. I did not know hoe I could tell it to replace specific positions and multiple at a time.
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