Php reference card cheat sheet
Php 5 builtin function cheatsheet
A cheat sheet or crib sheet is a concise set of notes used for quick reference. "Cheat sheet" may also be rendered "cheatsheet". In the graphics world, cheats
CSS cheat sheet with graph
Regular Expressions Cheat Sheet from DaveChild. A quick reference guide for regular expressions (regex), including symbols, ranges, grouping, assertions and some sample patterns to get you started.
jQuery cheat sheets another
Various Web Programming Cheat Sheets - Jquery
PHP cheat sheet, Todo lo que tienes que saber de php