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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 |
|---|---|
| 1208 | * |
| 1209 | * @param array $args Additional data. Accepts { 'mime_type'=>string, 'methods'=>{string, string, ...} } |
| 1210 | * @return string|bool Class name for the first editor that claims to support the request. False if no editor claims to support the request. |
| 1211 | */ |
| 1212 | function _wp_image_editor_choose( $args = array() ) { |
| 1213 | require_once ABSPATH . WPINC . '/class-wp-image-editor.php'; |
| 1214 | require_once ABSPATH . WPINC . '/class-wp-image-editor-gd.php'; |
| 1215 | require_once ABSPATH . WPINC . '/class-wp-image-editor-imagick.php'; |
| 1216 | |
| 1217 | $implementations = apply_filters( 'wp_image_editors', |
| 1218 | array( 'WP_Image_Editor_Imagick', 'WP_Image_Editor_GD' ) ); |
| 1219 | |
| 1220 | foreach ( $implementations as $implementation ) { |
| 1221 | if ( ! call_user_func( array( $implementation, 'test' ), $args ) ) |
| 1222 | continue; |
| 1223 | |
| 1224 | if ( isset( $args['mime_type'] ) && |
| 1225 | ! call_user_func( |
| 1226 | array( $implementation, 'supports_mime_type' ), |