PHP Reference
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Quick Reference

The PHP filter_list() function returns a list of all the supported filter names.

<?php
print_r(filter_list());
?>

Output

// lists all supported filter names

Syntax

filter_list()

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
  • Arrays count starting from zero NOT one; so item 1 is position [0], item 2 is position [1], and item 3 is position [2] … and so on
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