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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 |
|---|---|
| 321 | * the base slug of the setting name. |
| 322 | * |
| 323 | * For settings handled as theme_mods or options, see those corresponding |
| 324 | * functions for available hooks. |
| 325 | * |
| 326 | * @since 3.4.0 |
| 327 | * |
| 328 | * @param mixed $default The setting default value. Default empty. |
| 329 | */ |
| 330 | return apply_filters( 'customize_value_' . $this->id_data[ 'base' ], $this->default ); |
| 331 | } |
| 332 | |
| 333 | // Handle non-array value |
| 334 | if ( empty( $this->id_data[ 'keys' ] ) ) |
| 335 | return $function( $this->id_data[ 'base' ], $this->default ); |
| 336 | |
| 337 | // Handle array-based value |
| 338 | $values = $function( $this->id_data[ 'base' ] ); |
| 339 | return $this->multidimensional_get( $values, $this->id_data[ 'keys' ], $this->default ); |