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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 |
|---|---|
| 87 | if ( ! is_plugin_active($file) ) |
| 88 | activate_plugin($file, "plugin-editor.php?file=$file&phperror=1", ! empty( $_GET['networkwide'] ) ); // we'll override this later if the plugin can be included without fatal error |
| 89 | |
| 90 | wp_redirect("plugin-editor.php?file=$file&a=te&scrollto=$scrollto"); |
| 91 | exit; |
| 92 | } |
| 93 | |
| 94 | // List of allowable extensions |
| 95 | $editable_extensions = array('php', 'txt', 'text', 'js', 'css', 'html', 'htm', 'xml', 'inc', 'include'); |
| 96 | $editable_extensions = (array) apply_filters('editable_extensions', $editable_extensions); |
| 97 | |
| 98 | if ( ! is_file($real_file) ) { |
| 99 | wp_die(sprintf('<p>%s</p>', __('No such file exists! Double check the name and try again.'))); |
| 100 | } else { |
| 101 | // Get the extension of the file |
| 102 | if ( preg_match('/\.([^.]+)$/', $real_file, $matches) ) { |
| 103 | $ext = strtolower($matches[1]); |
| 104 | // If extension is not in the acceptable list, skip it |
| 105 | if ( !in_array( $ext, $editable_extensions) ) |