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Replacing Substrings
string substr_replace ( string str, string replacmnt, int start [, int len] )
replace the entire instance (say, by changing the ever-so-clichéd "Hello World!" into the more
"l33t" phrase "H3110 W0r1d!" and hence proving your "l33t" status), you could simply invoke
the substr_replace() function as shown in the following example
$substr = substr_replace("Hello World", "H3110 W0r1d!", 0, 0);
echo $substr . "
"; //Echoes H3110 W0r1d!Hello World
$substr = substr_replace("Hello World", "0 w0", 4, 4);
echo $substr; //Echoes Hell0 w0rld.
?>
O/P:
H3110 W0r1d!Hello World
Hell0 w0rld
Refer to Friend
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