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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 |
|---|---|
| 397 | /** |
| 398 | * Filter which capabilities a role has. |
| 399 | * |
| 400 | * @since 2.0.0 |
| 401 | * |
| 402 | * @param array $capabilities Array of role capabilities. |
| 403 | * @param string $cap Capability name. |
| 404 | * @param string $name Role name. |
| 405 | */ |
| 406 | $capabilities = apply_filters( 'role_has_cap', $this->capabilities, $cap, $this->name ); |
| 407 | if ( !empty( $capabilities[$cap] ) ) |
| 408 | return $capabilities[$cap]; |
| 409 | else |
| 410 | return false; |
| 411 | } |
| 412 | |
| 413 | } |
| 414 | |
| 415 | /** |