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- Tags: PHP Filter
- Categories: PHP Functions, PHP Reference, Reference
Last Updated on January 23, 2024
Quick Reference
The PHP filter_input_array() function gets external variables (e.g. from form input) and optionally filters them.
<?php
$filters = array (
'name' => array ('filter' => FILTER_CALLBACK, 'flags' => FILTER_FORCE_ARRAY, 'options' => 'ucwords'),
'age' => array ( 'filter' => FILTER_VALIDATE_INT, 'options' => array('min_range' => 1, 'max_range' => 40)), 'email' => FILTER_VALIDATE_EMAIL
);
print_r(filter_input_array(INPUT_POST, $filters));
?>
Output
Array (
[name] => Johnny
[age] => 11
[email] => jshay@example.com
)
Syntax
filter_input_array(type, definition, add_empty)
Parameters
| Parameter | Description |
|---|---|
| type | The input type to check for (required):
|
| definition | Specifies an array of filter arguments; a valid array key is a variable name, and a valid value is a filter name or ID, or an array specifying the filter, flags and options; this parameter can also be a single filter name/ID; then all values in the input array are filtered by the specified filter |
| add_empty | A Boolean value; TRUE adds missing keys as NULL to the return value (default value is TRUE) |
We’d like to acknowledge that we learned a great deal of our coding from W3Schools and TutorialsPoint, borrowing heavily from their teaching process and excellent code examples. We highly recommend both sites to deepen your experience, and further your coding journey. We’re just hitting the basics here at 1SMARTchicken.
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PHP NOTES:
- When using PHP, single or double quotation marks are acceptable and work identically to one another; choose whichever you prefer, and stay consistent
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