Looking for suggestions on the most compute-efficient way to search
variable-length strings (~200 characters) for the occurrence of one
of about 100 possible needles. In other words:
$needles = array ( 1 => "Hello Jim" , 2 => "Yellow Banana" , 3 =>
"Red Car", ... etc .... (100 elements)
$haystack = "Once upon a time there was a programming language that
everyone loved. Its name was PHP, and the people that worked with it
also liked Yellow Bananas. One day...";
Now perhaps I'm blind, but I can't see an obvious string or array
function that simply allows you to use an array as a needle while
searching a string haystack. What I'm really looking for is something
like the reverse of in_array.
The obvious thing would be to loop through the needles and run
substr_count on the haystack... But is there a faster way?
...Rene
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