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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 |
|---|---|
| 4545 | * |
| 4546 | * Text passed to esc_html() is stripped of invalid or special characters |
| 4547 | * before output. |
| 4548 | * |
| 4549 | * @since 2.8.0 |
| 4550 | * |
| 4551 | * @param string $safe_text The text after it has been escaped. |
| 4552 | * @param string $text The text prior to being escaped. |
| 4553 | */ |
| 4554 | return apply_filters( 'esc_html', $safe_text, $text ); |
| 4555 | } |
| 4556 | |
| 4557 | /** |
| 4558 | * Escaping for HTML attributes. |
| 4559 | * |
| 4560 | * @since 2.8.0 |
| 4561 | * |
| 4562 | * @param string $text |
| 4563 | * @return string |