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The best way to understand what a hook does is to look at where it occurs in the source code.
do_action( "hook_name" )apply_filters( "hook_name", "what_to_filter" ).Remember, this hook may occur in more than one file. Moreover, the hook's context may change from version to version.
| Line | Code |
|---|---|
| 1765 | * The dynamic portions of the filter name, `$taxonomy`, and `$field`, refer |
| 1766 | * to the taxonomy slug and taxonomy field, respectively. |
| 1767 | * |
| 1768 | * @since 2.3.0 |
| 1769 | * |
| 1770 | * @param mixed $value Value of the taxonomy field. |
| 1771 | * @param int $term_id Term ID. |
| 1772 | * @param string $context Context to retrieve the taxonomy field value. |
| 1773 | */ |
| 1774 | $value = apply_filters( "{$taxonomy}_{$field}", $value, $term_id, $context ); |
| 1775 | } |
| 1776 | |
| 1777 | if ( 'attribute' === $context ) { |
| 1778 | $value = esc_attr( $value ); |
| 1779 | } elseif ( 'js' === $context ) { |
| 1780 | $value = esc_js( $value ); |
| 1781 | } |
| 1782 | |
| 1783 | // Restore the type for integer fields after esc_attr(). |