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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 |
|---|---|
| 145 | * Filter the date formatted based on the locale. |
| 146 | * |
| 147 | * @since 2.8.0 |
| 148 | * |
| 149 | * @param string $j Formatted date string. |
| 150 | * @param string $req_format Format to display the date. |
| 151 | * @param int $i Unix timestamp. |
| 152 | * @param bool $gmt Whether to convert to GMT for time. Default false. |
| 153 | */ |
| 154 | $j = apply_filters( 'date_i18n', $j, $req_format, $i, $gmt ); |
| 155 | return $j; |
| 156 | } |
| 157 | |
| 158 | /** |
| 159 | * Convert integer number to format based on the locale. |
| 160 | * |
| 161 | * @since 2.3.0 |
| 162 | * |
| 163 | * @param int $number The number to convert based on locale. |