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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 |
---|---|
2327 | * |
2328 | * @since 2.8.0 |
2329 | * |
2330 | * @param string $text |
2331 | * @return string |
2332 | */ |
2333 | function esc_html( $text ) { |
2334 | $safe_text = wp_check_invalid_utf8( $text ); |
2335 | $safe_text = _wp_specialchars( $safe_text, ENT_QUOTES ); |
2336 | return apply_filters( 'esc_html', $safe_text, $text ); |
2337 | } |
2338 |
|
2339 | /** |
2340 | * Escaping for HTML attributes. |
2341 | * |
2342 | * @since 2.8.0 |
2343 | * |
2344 | * @param string $text |
2345 | * @return string |