';
/* translators: %d: line where error was produced */
$m .= '
' . sprintf( esc_html__( 'The code snippet you are trying to save produced a fatal error on line %d:', 'code-snippets' ), intval( $error['line'] ) ) . '
' . esc_html__( 'The previous version of the snippet is unchanged, and the rest of this site should be functioning normally as before.', 'code-snippets' ) . '
';
$m .= '
' . esc_html__( 'Please use the back button in your browser to return to the previous page and try to fix the code error.', 'code-snippets' );
$m .= ' ' . esc_html__( 'If you prefer, you can close this page and discard the changes you just made. No changes will be made to this site.', 'code-snippets' ) . '
';
return $m;
}
/**
* Validate the snippet code before saving to database
*
* @param Snippet $snippet Snippet object.
*
* @return bool Whether the code produces errors.
*/
private function test_code( Snippet $snippet ) {
if ( empty( $snippet->code ) || 'php' !== $snippet->type ) {
return false;
}
ob_start( array( $this, 'code_error_callback' ) );
$result = eval( $snippet->code );
ob_end_clean();
do_action( 'code_snippets/after_execute_snippet', $snippet->id, $snippet->code, $result );
return false === $result;
}
/**
* Save the posted snippet data to the database and redirect
*/
private function save_posted_snippet() {
/* Build snippet object from fields with 'snippet_' prefix */
$snippet = new Snippet();
foreach ( $_POST as $field => $value ) {
if ( 'snippet_' === substr( $field, 0, 8 ) ) {
/* Remove the 'snippet_' prefix from field name and set it on the object */
$snippet->set_field( substr( $field, 8 ), stripslashes( $value ) );
}
}
if ( isset( $_POST['save_snippet_execute'] ) && 'single-use' !== $snippet->scope ) {
unset( $_POST['save_snippet_execute'] );
$_POST['save_snippet'] = 'yes';
}
/* Activate or deactivate the snippet before saving if we clicked the button */
if ( isset( $_POST['save_snippet_execute'] ) ) {
$snippet->active = 1;
} elseif ( isset( $_POST['snippet_sharing'] ) && 'on' === $_POST['snippet_sharing'] ) {
// Shared network snippets cannot be network-activated
$snippet->active = 0;
unset( $_POST['save_snippet_activate'], $_POST['save_snippet_deactivate'] );
} elseif ( isset( $_POST['save_snippet_activate'] ) ) {
$snippet->active = 1;
} elseif ( isset( $_POST['save_snippet_deactivate'] ) ) {
$snippet->active = 0;
}
if ( 'php' === $snippet->type ) {
/* Remove code = preg_replace( '|^\s*<\?(php)?|', '', $snippet->code );
/* Remove ?> from end of snippet */
$snippet->code = preg_replace( '|\?>\s*$|', '', $snippet->code );
/* Deactivate snippet if code contains errors */
if ( $snippet->active && 'single-use' !== $snippet->scope ) {
$validator = new Validator( $snippet->code );
$code_error = $validator->validate();
if ( ! $code_error ) {
$code_error = $this->test_code( $snippet );
}
if ( $code_error ) {
$snippet->active = 0;
}
}
}
/* Save the snippet to the database */
$snippet_id = save_snippet( $snippet );
/* Update the shared network snippets if necessary */
if ( $snippet_id && is_network_admin() ) {
if ( isset( $_POST['snippet_sharing'] ) && 'on' === $_POST['snippet_sharing'] ) {
$shared_snippets = get_site_option( 'shared_network_snippets', array() );
/* Add the snippet ID to the array if it isn't already */
if ( ! in_array( $snippet_id, $shared_snippets, true ) ) {
$shared_snippets[] = $snippet_id;
update_site_option( 'shared_network_snippets', array_values( $shared_snippets ) );
}
} else {
$this->unshare_network_snippet( $snippet_id );
}
}
/* If the saved snippet ID is invalid, display an error message */
if ( ! $snippet_id || $snippet_id < 1 ) {
/* An error occurred */
wp_redirect( add_query_arg( 'result', 'save-error', code_snippets()->get_menu_url( 'add' ) ) );
exit;
}
/* Display message if a parse error occurred */
if ( isset( $code_error ) && $code_error ) {
wp_redirect(
add_query_arg(
array(
'id' => $snippet_id,
'result' => 'code-error',
),
code_snippets()->get_menu_url( 'edit' )
)
);
exit;
}
/* Set the result depending on if the snippet was just added */
$result = isset( $_POST['snippet_id'] ) ? 'updated' : 'added';
/* Append a suffix if the snippet was activated or deactivated */
if ( isset( $_POST['save_snippet_activate'] ) ) {
$result .= '-and-activated';
} elseif ( isset( $_POST['save_snippet_deactivate'] ) ) {
$result .= '-and-deactivated';
} elseif ( isset( $_POST['save_snippet_execute'] ) ) {
$result .= '-and-executed';
}
/* Redirect to edit snippet page */
$redirect_uri = add_query_arg(
array(
'id' => $snippet_id,
'result' => $result,
),
code_snippets()->get_menu_url( 'edit' )
);
wp_redirect( esc_url_raw( $redirect_uri ) );
exit;
}
/**
* Add a description editor to the single snippet page
*
* @param Snippet $snippet The snippet being used for this page.
*/
public function render_description_editor( Snippet $snippet ) {
$settings = Settings\get_settings_values();
$settings = $settings['description_editor'];
echo '';
remove_editor_styles(); // stop custom theme styling interfering with the editor
wp_editor(
$snippet->desc,
'description',
apply_filters( 'code_snippets/admin/description_editor_settings',
array(
'textarea_name' => 'snippet_description',
'textarea_rows' => $settings['rows'],
'teeny' => ! $settings['use_full_mce'],
'media_buttons' => $settings['media_buttons'],
)
)
);
}
/**
* Render the interface for editing snippet tags
*
* @param Snippet $snippet The snippet currently being edited.
*/
public function render_tags_editor( Snippet $snippet ) {
?>
type ) {
return;
}
?>
type ) {
if ( 'single-use' === $snippet->scope ) {
$actions['save_snippet_execute'] = array(
__( 'Execute Once', 'code-snippets' ),
__( 'Save Snippet and Execute Once', 'code-snippets' ),
);
} elseif ( ! $snippet->shared_network || ! is_network_admin() ) {
if ( $snippet->active ) {
$actions['save_snippet_deactivate'] = array(
__( 'Deactivate', 'code-snippets' ),
__( 'Save Snippet and Deactivate', 'code-snippets' ),
);
} else {
$actions['save_snippet_activate'] = array(
__( 'Activate', 'code-snippets' ),
__( 'Save Snippet and Activate', 'code-snippets' ),
);
}
}
}
foreach ( $actions as $action => $labels ) {
$other_attributes = array(
'title' => $labels[1],
'id' => $action . '_extra',
);
submit_button( $labels[0], 'secondary small', $action, false, $other_attributes );
}
}
/**
* Render a control for changing the code editor text direction
*/
public function render_direction_setting() {
?>
code ) {
return false;
}
$validator = new Validator( $snippet->code );
$error = $validator->validate();
if ( $error ) {
return $error;
}
ob_start();
$result = eval( $snippet->code );
ob_end_clean();
if ( false !== $result ) {
return false;
}
$error = error_get_last();
if ( is_null( $error ) ) {
return false;
}
return $error;
}
/**
* Print the status and error messages
*/
protected function print_messages() {
if ( ! isset( $_REQUEST['result'] ) ) {
return;
}
$result = sanitize_key( $_REQUEST['result'] );
if ( 'code-error' === $result ) {
$error = isset( $_REQUEST['id'] ) ? $this->get_snippet_error( intval( $_REQUEST['id'] ) ) : false;
if ( $error ) {
/* translators: %d: line of file where error originated */
$text = __( 'The snippet has been deactivated due to an error on line %d:', 'code-snippets' );
printf(
'