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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 |
|---|---|
| 390 | * the base slug of the setting name. |
| 391 | * |
| 392 | * For settings handled as theme_mods or options, see those corresponding |
| 393 | * functions for available hooks. |
| 394 | * |
| 395 | * @since 3.4.0 |
| 396 | * |
| 397 | * @param mixed $default The setting default value. Default empty. |
| 398 | */ |
| 399 | return apply_filters( 'customize_value_' . $this->id_data[ 'base' ], $this->default ); |
| 400 | } |
| 401 | |
| 402 | // Handle non-array value |
| 403 | if ( empty( $this->id_data[ 'keys' ] ) ) |
| 404 | return $function( $this->id_data[ 'base' ], $this->default ); |
| 405 | |
| 406 | // Handle array-based value |
| 407 | $values = $function( $this->id_data[ 'base' ] ); |
| 408 | return $this->multidimensional_get( $values, $this->id_data[ 'keys' ], $this->default ); |