- sprintf: documentation ( source)
<?php
sprintf('Bearer %s', "eyJhbGciOiJSUzI1NiIsInR5cCI6IkpXUyJ9.eyJleHAiOjE0MDc4MjQ4MDQsInVzZXJuYW1lIjoiYWRtaW5AYWRtaW4uY29tIiwiaWF0IjoiMTQwNzczODQwNCJ9.EA1qZ-qSgwCZEqfQBe6dX6tkbgR7f04ipIwzMhbSB7oIJ7Jtrs5XDobn5zI7x8zOYJX-P_OhRzUXQslezGfnxBxPzU-sHeagjOV5uV-1sJhxJ_HAmg16koGMEFAmO78C6zbLFcG9wVyhb3dBeHRs7jXKk2g-zlnsvRE0cHmjkRAgnC6py_YzZP9W50ggdwfGoIyl3NtbHFAMdR8RB0yQ-GRhp1cpv2mWoUFdRIYEjZIiLufK8626XVTHbwE5iEwZXPKnlx51Wpf8ywwxo6wgRX8LVYUT9DElrqSb6pU88dSDgdTnKHYeHvP12JH0OEy6mGwsb0tlVDn34j1RbtrQGV1MFihI_wWlgVPZ798JFLlBQRw");