3v4l.org

run code in 300+ PHP versions simultaneously
<?php printf('%s %s %s'."\n", 'I', 'am', 'not', 'stupid'); print sprintf('%s %s %s'."\n", 'I', 'am', 'not', 'stupid'); print vprintf('%s %s %s'."\n", array('I', 'am', 'not', 'stupid'));

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