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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 |
|---|---|
| 271 | * Filters the number formatted based on the locale. |
| 272 | * |
| 273 | * @since 2.8.0 |
| 274 | * @since 4.9.0 The `$number` and `$decimals` parameters were added. |
| 275 | * |
| 276 | * @param string $formatted Converted number in string format. |
| 277 | * @param float $number The number to convert based on locale. |
| 278 | * @param int $decimals Precision of the number of decimal places. |
| 279 | */ |
| 280 | return apply_filters( 'number_format_i18n', $formatted, $number, $decimals ); |
| 281 | } |
| 282 | |
| 283 | /** |
| 284 | * Convert number of bytes largest unit bytes will fit into. |
| 285 | * |
| 286 | * It is easier to read 1 KB than 1024 bytes and 1 MB than 1048576 bytes. Converts |
| 287 | * number of bytes to human readable number by taking the number of that unit |
| 288 | * that the bytes will go into it. Supports TB value. |
| 289 | * |