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run code in 300+ PHP versions simultaneously
<?php $required = !empty($field["required"]) ? "form-required" : ""; $buffer = sprintf(" <tr class='form-field %s'> <th scope='row'>%s</th> <td> %s <p>%s</p> </td> </tr> ", $required, "meta", "<input type='text' name='hello'", ""); var_dump($buffer);
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.10, 7.2.0 - 7.2.33, 7.3.12 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
string(109) " <tr class='form-field '> <th scope='row'>meta</th> <td> <input type='text' name='hello' <p></p> </td> </tr> "

preferences:
223.29 ms | 406 KiB | 354 Q