- str_replace: documentation ( source)
<?php
function mystr_replace($needle,$replace,$haystack){
$args = func_get_args();
$count = $args[3];
if(is_null($count)) {
return str_replace($needle,$replace,$haystack);
} else {
return str_replace($needle,$replace,$haystack,$count);
}
}
echo mystr_replace("frop","frml","frop",1);