ptarjan
53 linhas
1003 B
PHP
53 linhas
1003 B
PHP
<?php
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class ary implements ArrayAccess {
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private $c;
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public function __construct($c = 2) {
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$this->c = $c;
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}
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public function offsetExists($i) {
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return true;
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}
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public function offsetGet($i) {
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return $i * $this->c;
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}
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public function offsetSet($i, $v) {
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}
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public function offsetUnset($i) {
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}
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}
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function init() {
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$GLOBALS['gArray'] = array(1, 2, 'bob', 'cat');
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$GLOBALS['gObj'] = new ary(4);
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$GLOBALS['gInt'] = 24;
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$GLOBALS['gStr'] = '01234567890';
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}
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function main() {
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var_dump($GLOBALS['gArray'][2]);
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var_dump($GLOBALS['gObj'][6]);
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var_dump($GLOBALS['gInt'][1]);
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var_dump($GLOBALS['gStr'][3]);
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$idx = array(2, 6, 1, 3);
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foreach (array('gArray', 'gObj', 'gInt', 'gStr') as $dyn) {
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var_dump($GLOBALS[$dyn][array_shift($idx)]);
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}
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}
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init();
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main();
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function non_exist() {
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$a = $GLOBALS['doesnt_exist'][12];
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var_dump($a);
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foreach ($GLOBALS as $k => $v) {
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if ($k == 'doesnt_exist') {
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echo "has key $k\n";
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}
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}
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}
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non_exist();
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