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Source View: wp_sprintf

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Line Code
3006                if ( preg_match('/^%(\d+)\$/', $fragment, $matches) ) {
3007                     $arg = isset($args[$matches[1]]) ? $args[$matches[1]] : '';
3008                     $fragment = str_replace("%{$matches[1]}$", '%', $fragment);
3009                } else {
3010                     ++$arg_index;
3011                     $arg = isset($args[$arg_index]) ? $args[$arg_index] : '';
3012                }
3013
3014                // Apply filters OR sprintf
3015                $_fragment = apply_filters( 'wp_sprintf', $fragment, $arg );
3016                if ( $_fragment != $fragment )
3017                     $fragment = $_fragment;
3018                else
3019                     $fragment = sprintf($fragment, strval($arg) );
3020           }
3021
3022           // Append to result and move to next fragment
3023           $result .= $fragment;
3024           $start = $end;