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  Encoding text data with base64 and utf8_encode
base64 x 1.60 faster 3.7362utf8_encode 5.9845
  Encoding binary data with base64 and utf8_encode
base64 x 2.11 faster 9.0675utf8_encode 19.1001
  Encoding binary data with base64 and rawurlencode
base64 x 2.07 faster 9.0602rawurlencode 18.7789

  Comparing checksums with crc32 and md5
crc32 x 9.78 faster 0.0253 md5 0.2474

  Reading a binary file
fopen-fread-fclose x 1.11 faster 1.1963 file_get_contents 1.3250

Testing PHP 4.0.6 Completed on Linux. Benchmark done on: 01-Mar-2004 09:01:58

(c) 2003-2004 John Lim PHP Benchmark Suite (PHP BS 1.0).