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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 |
|---|---|
| 3912 | * |
| 3913 | * Text passed to esc_html() is stripped of invalid or special characters |
| 3914 | * before output. |
| 3915 | * |
| 3916 | * @since 2.8.0 |
| 3917 | * |
| 3918 | * @param string $safe_text The text after it has been escaped. |
| 3919 | * @param string $text The text prior to being escaped. |
| 3920 | */ |
| 3921 | return apply_filters( 'esc_html', $safe_text, $text ); |
| 3922 | } |
| 3923 | |
| 3924 | /** |
| 3925 | * Escaping for HTML attributes. |
| 3926 | * |
| 3927 | * @since 2.8.0 |
| 3928 | * |
| 3929 | * @param string $text |
| 3930 | * @return string |