key               547 ext/spl/spl.php function key();
key               832 ext/spl/spl.php function key() {/**/}
key               993 ext/spl/spl.php function key() {/**/}
key              1046 ext/spl/spl.php function key() {/**/}
key              1104 ext/spl/spl.php function key() {/**/}