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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 |
|---|---|
| 4570 | * |
| 4571 | * Text passed to esc_attr() is stripped of invalid or special characters |
| 4572 | * before output. |
| 4573 | * |
| 4574 | * @since 2.0.6 |
| 4575 | * |
| 4576 | * @param string $safe_text The text after it has been escaped. |
| 4577 | * @param string $text The text prior to being escaped. |
| 4578 | */ |
| 4579 | return apply_filters( 'attribute_escape', $safe_text, $text ); |
| 4580 | } |
| 4581 | |
| 4582 | /** |
| 4583 | * Escaping for textarea values. |
| 4584 | * |
| 4585 | * @since 3.1.0 |
| 4586 | * |
| 4587 | * @param string $text |
| 4588 | * @return string |