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run code in 150+ php & hhvm versions
Bugs & Features
<?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'));
Output for 4.3.7 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
I am not I am not I am not 9
Output for 4.3.0 - 4.3.6
I am not I am not I am not