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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 |
|---|---|
| 131 | * @since 2.3.0 |
| 132 | * |
| 133 | * @param int $number The number to convert based on locale. |
| 134 | * @param int $decimals Precision of the number of decimal places. |
| 135 | * @return string Converted number in string format. |
| 136 | */ |
| 137 | function number_format_i18n( $number, $decimals = 0 ) { |
| 138 | global $wp_locale; |
| 139 | $formatted = number_format( $number, absint( $decimals ), $wp_locale->number_format['decimal_point'], $wp_locale->number_format['thousands_sep'] ); |
| 140 | return apply_filters( 'number_format_i18n', $formatted ); |
| 141 | } |
| 142 | |
| 143 | /** |
| 144 | * Convert number of bytes largest unit bytes will fit into. |
| 145 | * |
| 146 | * It is easier to read 1kB than 1024 bytes and 1MB than 1048576 bytes. Converts |
| 147 | * number of bytes to human readable number by taking the number of that unit |
| 148 | * that the bytes will go into it. Supports TB value. |
| 149 | * |