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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 |
|---|---|
| 1103 | * |
| 1104 | * Use this filter to adjust the array of sizes returned by the |
| 1105 | * `rest_get_avatar_sizes` function. |
| 1106 | * |
| 1107 | * @since 4.4.0 |
| 1108 | * |
| 1109 | * @param array $sizes An array of int values that are the pixel sizes for avatars. |
| 1110 | * Default `[ 24, 48, 96 ]`. |
| 1111 | */ |
| 1112 | return apply_filters( 'rest_avatar_sizes', array( 24, 48, 96 ) ); |
| 1113 | } |
| 1114 | |
| 1115 | /** |
| 1116 | * Validate a value based on a schema. |
| 1117 | * |
| 1118 | * @since 4.7.0 |
| 1119 | * |
| 1120 | * @param mixed $value The value to validate. |
| 1121 | * @param array $args Schema array to use for validation. |