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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 |
|---|---|
| 3415 | * |
| 3416 | * Text passed to esc_attr() is stripped of invalid or special characters |
| 3417 | * before output. |
| 3418 | * |
| 3419 | * @since 2.0.6 |
| 3420 | * |
| 3421 | * @param string $safe_text The text after it has been escaped. |
| 3422 | * @param string $text The text prior to being escaped. |
| 3423 | */ |
| 3424 | return apply_filters( 'attribute_escape', $safe_text, $text ); |
| 3425 | } |
| 3426 | |
| 3427 | /** |
| 3428 | * Escaping for textarea values. |
| 3429 | * |
| 3430 | * @since 3.1.0 |
| 3431 | * |
| 3432 | * @param string $text |
| 3433 | * @return string |