PHP3 vs. PHP4 numbers

Here are some numbers that might give you some idea. 173816 PHP/4.0.4pl1 131307 PHP/4.0.3pl1 124006 PHP/4.0.6 84457 PHP/4.0.5 73133 PHP/3.0.12 58769 PHP/3.0.18 49495 PHP/3.0.16 42327 PHP/4.0.1pl2 32533 PHP/3.0.14 29365 PHP/3.0.15 24168 PHP/4.0.2 22809 PHP/4.0.0 20844 PHP/4.0.4 16238 PHP/ 16046 PHP/3.0.7 15142 PHP/4.0b2 12820 PHP/3.0.11 9010 PHP/3.0.17 7667 PHP 6971 PHP/3.0.5 6431 PHP/3.0.13 6192 PHP/4.0.3pl 5592 PHP/3.0.6 4938 PHP/3.0.9 4744 PHP/4.0.3 3937 PHP/4.0b3 3509 PHP/4.0B2 3082 PHP/3.0.18-i18n-ja-2 2331 PHP/3.0.15-i18n-ja 2115 PHP/FI-2.0 2047 PHP/4.0b4pl1 1839 PHP/3.0.8 1563 PHP/4.0.5-dev 1518 PHP/4.0RC1 1481 PHP/3. 1220 PHP/4.0. 1210 PHP/4.0.1 1065 PHP/4.0RC2 1014 PHP/FI-2.0b12 800 PHP/4.0b4 769 PHP/3.0.3 674 PHP/4 615 PHP/3.0 583 PHP/4.0.7-dev 581 PHP/FI-2.0b11 577 PHP/3.0.17-de 546 PHP/3.0.12-i18n-beta4 471 PHP/4.0B1 471 PHP/4. 455 PHP/4.0.1pl 431 PHP/3.0.2a 413 PHP/3 406 PHP/4.0.4p 361 PHP/3.0.17-dev 359 PHP/3.0.14-i18n-ja 333 PHP/4.0.3-dev 322 PHP/3.0.1 312 PHP4 310 PHP/4.0.6-dev 285 PHP/3.0.18-i18n-ja 254 PHP/4.0.5RC6 209 PHP/4.0 196 PHP/3.0.4 190 PHP4.02 185 PHP/3.0.10 181 PHP/3.0.13-dev 165 PHP/FI-2.0.1 162 PHP/3.0. 159 PHP/4.0.6RC3 140 PHP/3.0b2a 135 PHP/4.0.4pl 134 PHP/FI-SSL 121 PHP/4.0.7RC1 121 PHP/4.0.1-dev 113 PHP/FI-2.0b10 102 PHP/FI+MYSQL 98 PHP/4.0.4-dev 95 PHP/FI-2.0+Frontpage/3.0.2 94 PHP/3.0.2 93 PHP/4.0.6RC1 88 PHP/FI-2.0_mSQL/MySQL/GD 83 PHP/3.0.14+M 76 PHP/3.0.12+Midgard/1.2.5 61 PHP/4.0.7RC2 57 PHP/4.0.5-de 56 PHP/4.0.8-dev 56 PHP/4.0.2-dev 54 PHP/4.0.6pl1 52 PHP/4.0.5RC5 52 PHP/4.0.3p 51 PHP/3.0.12-i18n-beta3 49 PHP/FI-2.0-WebArt-Internet-Services 47 PHP/3.0b6 41 PHP/FI-2.0b13 41 PHP/4.0.4pl1-RC1 40 PHP/SUSE 39 PHP/3.0.12+M 38 PHP/FI-2.0.1+jp5.3 38 PHP/3.0b4 36 PHP/FI-2.0.1-FP 32 PHP/4.0.4RC3 32 PHP/3.0.17- 28 PHP/4.0.5RC2 28 PHP-3.0 27 PHP/4.0.5RC3 26 PHP/4.0.6RC2 26 PHP/4.0.4pl1LINO 26 PHP/3.0.18+Midgard/1.4/SG 26 PHP-2.0.1 25 PHP/3.0RC4 24 PHP/FI-2.0,FrontPage/3.0.3 24 PHP-Czech/0.x 22 PHP/4.0B3-dev 21 PHP3 20 PHP/3.0.18RC1 20 PHP/3.0.18-i1 20 PHP-3.0.5 19 PHP3/FI-SSL 19 PHP/3.0.18+Midgard/1.4.1-dev/SG 18 PHP/FI-3.0 18 PHP/3.0.14-i18n 16 PHP/4.0.3pl1oops 15 PHP/4.0.8 15 PHP/3.0.8-dev 15 PHP/3.0.18+M 14 PHP/FI-2.0.1j 14 PHP/4.0RC2-dev 14 PHP/4.0.4pl1oops 14 PHP-3.0.12 13 PHP/FI-3.0b2a 13 PHP/4.0.5oops 12 PHP/3.0.18-i18n-j 12 PHP/3.0.18-i18 12 PHP/3.0.16-dev 12 PHP/3.0.16+Midgard/Lib=1.4-beta3/SiteGroups=0.3 11 PHP/FI-mySQL 11 PHP/4.0.6WEBHOSTINGKOREA.NET 11 PHP/4.0.5RC4 11 PHP/3.0.7-i18n-ja-jp-beta2-pl1 10 PHP/FI-2.01 10 PHP/3.0.16-i18n-ja 10 PHP-2.0.1/3.0.3 9 PHP/4.0.4pl1HANARONET 9 PHP/3.0.12-dev 8 PHP/4.0b3-RC4 8 PHP/4.0.1p 8 PHP/3.0.14+P.R.E.S./2.0.0 7 PHP/4.0.6oops 7 PHP/4.0.4pl1-WEBHOSTINGKOREA.NET 7 PHP/3.0.16+Midgard/1 7 PHP/3.0.14-i18n-beta4 6 PHP/4.0.5RC8 6 PHP/3.0.18+Midgard/1.4 6 PHP-3.0.2 5 PHP/with 5 PHP/4.0.6- 5 PHP/4.0.5RC1 5 PHP/3.0b5 5 PHP/3.0.9-dev 5 PHP/3.0.7-dev 5 PHP/3.0.18- 5 PHP/3.0.12-i18n-beta 4 PHP/Not 4 PHP/4.0b5-dev 4 PHP/4.0.4RC6 4 PHP/3.0.18+Midgard/1.4-beta7/SG 4 PHP/3.0.18+Midgard/1.4-beta7 4 PHP/3.0.16+Midgard/1.4-beta5/SG 4 PHP/3.0.14-i18n-j 4 PHP/3.0.12+Midgard/1.2.5-8 4 PHP/3.0.11-i18n-SNAP-19990703 4 PHP-3.07 4 PHP-2 3 PHP3.0B4 3 PHP/FI-3.0RC4 3 PHP/FI-2.0.1-jp 3 PHP/FI-2.0-INTERNAL 3 PHP/4.0pa1 3 PHP/3.0.9-i18n-ja-jp-SNAP-19990623 3 PHP/3.0.18+Mi 3 PHP/3.0.15-i18 2 PHP_BANNER 2 PHP/Phantom 2 PHP/FI_2.01 2 PHP/FI-2.0b12,mod_perl-1.0 2 PHP/FI-2.0b12,FrontPage/3.0.4 2 PHP/FI-2.0b 2 PHP/FI-2.0.1+postgreSQL6.2.1 2 PHP/FI-2.0+jp5 2 PHP/4.1.0 2 PHP/4.0.2oops 2 PHP/3.0.9-i18n-ja-jp-SNAP-19990615 2 PHP/3.0.3-dev 2 PHP/3.0.18+Midgard/1.4.1 2 PHP/3.0.18+Midgard/1 2 PHP/3.0.16+Midgard/1.4-beta4/SG 2 PHP/3.0.15-i1 2 PHP/3.0.12+Midgar 2 PHP-2.0.1-and-3.0.9 1 PHP/IF-2.0 1 PHP/FI-X.X 1 PHP/FI-3.03 1 PHP/4.0b4-dev 1 PHP/4.0.5- 1 PHP/3.0RC5 1 PHP/3.0.7-i18n-ja-jp-beta2-pl 1 PHP/3.0.7-i18n-ja-jp-beta2 1 PHP/3.0.18-i18n 1 PHP/3.0.18+Midgard/1.4-beta6 1 PHP/3.0.16+Midgard/1.4-beta5a/SG 1 PHP/3.0.16+Midgard/ 1 PHP/3.0.16+GIPS/WP 1 PHP/3.0.15-dev 1 PHP/3.0.12-i18n-b 1 PHP/3.0-dev 1 PHP/2.0.1 1 PHP-3.0RC5 1 PHP-3.0.3 1 PHP-3