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<?php foreach ( array( 1, 2, 3 ) as $v ) { $hash = strtoupper( substr( md5( $v ), 0, 16 ) ); echo substr( $hash, 0, 4 ) . '-' . substr( $hash, 4, 4 ) . '-'. substr( $hash, 8, 4 ) . "\n"; }
Output for git.master_jit, git.master, rfc.property-hooks
C4CA-4238-A0B9 C81E-728D-9D4C ECCB-C87E-4B5C

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