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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 |
|---|---|
| 1020 | * |
| 1021 | * Use this filter to adjust the array of sizes returned by the |
| 1022 | * `rest_get_avatar_sizes` function. |
| 1023 | * |
| 1024 | * @since 4.4.0 |
| 1025 | * |
| 1026 | * @param array $sizes An array of int values that are the pixel sizes for avatars. |
| 1027 | * Default `[ 24, 48, 96 ]`. |
| 1028 | */ |
| 1029 | return apply_filters( 'rest_avatar_sizes', array( 24, 48, 96 ) ); |
| 1030 | } |
| 1031 | |
| 1032 | /** |
| 1033 | * Validate a value based on a schema. |
| 1034 | * |
| 1035 | * @since 4.7.0 |
| 1036 | * |
| 1037 | * @param mixed $value The value to validate. |
| 1038 | * @param array $args Schema array to use for validation. |