Definition and Usage The file () reads a file into an array. Each array element contains a line from the file, with the newline character still attached. Syntax file (filename, flag, context)

PHP Arrays In PHP, an array is a special variable that can hold many values under a single name, and you can access the values by referring to an index number or a name.

The following example demonstrates how to create a two-dimensional array, how to specify keys for associative arrays, and how to skip-and-continue numeric indices in normal arrays.

Uploading multiple files ¶ Multiple files can be uploaded using different name for input. It is also possible to upload multiple files simultaneously and have the information organized automatically in arrays for …

$_FILES is one of the 'superglobal', or automatic global, variables in PHP. It is available in all scopes throughout a script. The variable $_FILES is an associative array containing items uploaded via …

Introduction ¶ The SimpleXML extension provides a very simple and easily usable toolset to convert XML to an object that can be processed with normal property selectors and array iterators.

The array_values() function is essential in this scenario. It re-indexes the array with consecutive numerical keys (0, 1, 2, ...), ensuring that the JSON output is always a well-formed array.

array_keys () returns the keys, numeric and string, from the array. If a filter_value is specified, then only the keys for that value are returned. Otherwise, all the keys from the array are returned.

PHP returns an appropriate error code along with the file array. The error code can be found in the error segment of the file array that is created during the file upload by PHP.

See Also ¶ fgetcsv () - Gets line from file pointer and parse for CSV fields str_getcsv () - Parse a CSV string into an array SplFileObject::fgetcsv () - Gets line from file and parse as CSV fields …