V

Index

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validating data
validation
     dates
     failed, redisplaying form
     files
     pattern matching
     user input, JavaScript and
values
    arrays
         adding
         looping through
         referencing
     forms, accessing in
     variables, PHP
variables
     arrays, extracting from
     global, automatic
     PHP
         global
         scope
         static
         super global variables
         types
         values
     references
     scope, classes
     static