- vprintf: documentation ( source)
- sprintf: documentation ( source)
- printf: documentation ( source)
<?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'));