On 10/13/07, Robert Cummings <robert@xxxxxxxxxxxxx> wrote: > > On Sun, 2007-10-14 at 02:07 +0900, js wrote: > > On 10/14/07, Nathan Nobbe <quickshiftin@xxxxxxxxx> wrote: > > > can you use the php string manipulation functions ? > > > > I'll probably use strstr() to check whether a string starts with some > prefix. > > >From the help for PHP's strstr() function: > > "Note: If you only want to determine if a particular > needle occurs within haystack, use the faster and > less memory intensive function strpos() instead." > > So don't use strstr() use strpos(). Specifically use it like follows: > > if( strpos( $haystack, $prefix ) === 0 ) > { > // it's a prefix. > } > prefix, prefix... hmm. oh, so that means the prefix string has to be at the front of the haystack! good catch Rob :) -nathan