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Index[SYMBOL] [A] [B] [C] [D] [E] [F] [G] [H] [I] [K] [L] [M] [N] [O] [P] [Q] [R] [S] [T] [U] [V] [W] [Z] validating email addresses regular expressions 2nd 3rd forms data rules enforcement 2nd highlighting fields 2nd required fields enforcement 2nd 3rd warning displays 2nd 3rd 4th telephone numbers regular expressions zip codes regular expressions 2nd values forms accessing 2nd 3rd 4th variable scope global 2nd 3rd local 2nd 3rd variable variables 2nd variables braces declaring dollar sign prefix ($) expressions use in 2nd fixed values function of in strings double-quoted 2nd single-quoted 2nd invalid names naming 2nd case-sensiticity conventions scalar underscore characters word combinations valid names values viewing cookies PEAR packages |
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