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  Encoding text data with base64 and utf8_encode
base64 x 1.28 faster 0.2676utf8_encode 0.3430
  Encoding binary data with base64 and utf8_encode
base64 x 4.35 faster 0.7059utf8_encode 3.0715
  Encoding binary data with base64 and rawurlencode
base64 x 5.09 faster 0.6560rawurlencode 3.3385

  Comparing checksums with crc32 and md5
crc32 x 7.89 faster 0.0019 md5 0.0150

  Reading a binary file
fopen-fread-fclose 0.1111 file_get_contents x 1.17 faster 0.0953

Testing PHP 4.3.3 Completed on Linux. Benchmark done on: 01-Mar-2004 12:35:02

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