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Removing the First or Last Element from an Array

<?php     $languages = array('French','German','Russian','Chinese','Hindi', 'Quechua');   printf("<p>Original array:</p><pre>%s</pre>\n", var_export($languages, TRUE));   $removed = array_shift($languages);   printf("<p>Using array_shift():<br />Removed element: %s</p><pre>%s</pre>\n",           $removed, var_export($languages, TRUE));              $removed = array_pop($languages);   printf("<p>Using array_pop():<br />Removed element: %s</p><pre>%s</pre>\n",           $removed, var_export($languages, TRUE));              unset( $languages[count($languages) - 1] );   printf("<p>Using unset() and count():</p><pre>%s</pre>\n",           var_export($languages, TRUE)); ?>