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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 |
---|---|
93 | /** |
94 | * Filters which capabilities a role has. |
95 | * |
96 | * @since 2.0.0 |
97 | * |
98 | * @param bool[] $capabilities Associative array of capabilities for the role. |
99 | * @param string $cap Capability name. |
100 | * @param string $name Role name. |
101 | */ |
102 | $capabilities = apply_filters( 'role_has_cap', $this->capabilities, $cap, $this->name ); |
103 |
|
104 | if ( ! empty( $capabilities[ $cap ] ) ) { |
105 | return $capabilities[ $cap ]; |
106 | } else { |
107 | return false; |
108 | } |
109 | } |
110 |
|
111 | } |