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  Encoding text data with base64 and utf8_encode
base64 x 2.90 faster 0.0515utf8_encode 0.1492
  Encoding binary data with base64 and utf8_encode
base64 x 5.12 faster 0.1250utf8_encode 0.6396
  Encoding binary data with base64 and rawurlencode
base64 x 4.87 faster 0.1218rawurlencode 0.5929

  Comparing checksums with crc32 and md5
crc32 x 8.00 faster 0.0008 md5 0.0064

  Reading a binary file
fopen-fread-fclose x 1.08 faster 0.4009 file_get_contents 0.4344

Testing PHP 5.0.0b4 Completed on WINNT. Benchmark done on: 29-Feb-2004 15:22:37

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