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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 |
|---|---|
| 86 | * Filters which capabilities a role has. |
| 87 | * |
| 88 | * @since 2.0.0 |
| 89 | * |
| 90 | * @param bool[] $capabilities Array of key/value pairs where keys represent a capability name and boolean values |
| 91 | * represent whether the role has that capability. |
| 92 | * @param string $cap Capability name. |
| 93 | * @param string $name Role name. |
| 94 | */ |
| 95 | $capabilities = apply_filters( 'role_has_cap', $this->capabilities, $cap, $this->name ); |
| 96 | |
| 97 | if ( ! empty( $capabilities[ $cap ] ) ) { |
| 98 | return $capabilities[ $cap ]; |
| 99 | } else { |
| 100 | return false; |
| 101 | } |
| 102 | } |
| 103 | |
| 104 | } |