Form

Way of collecting data online from user accessing a web site.

Form data automatically available to php scripts. Dots and spaces in variable names converted to underscores.

Form data can be made into an array using the following syntax <input name=”FormArray[]”> .

Group elements by assigning the same array name to different elements; can specify keys.

$_POST superglobal contains all POST data; paired with post method

$_GET superglobal contains all GET data and $_REQUEST is independent of data source, and merges information from sources like GET, POST, and COOKIES; usage is not recommended

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