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<?php |
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namespace EZAMA{ |
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class AVCIterator implements \ArrayAccess, \Iterator, \Countable, \JsonSerializable |
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{ |
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protected $container=array(); |
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protected $keys=array(); |
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protected $simple; |
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public function __construct($keys, $container) |
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{ |
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$this->container=$container; |
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$this->keys=$keys; |
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$this->simple=!is_array($container); |
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} |
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public function offsetSet($key, $value) |
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{ |
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if ($this->isSimple()) { |
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$this->keys[$key]=is_int($value) ? $value : 0; |
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} else { |
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$this->container[array_search($key, $this->keys, true)]=is_int($value) ? $value : 0; |
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} |
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} |
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public function offsetGet($key) |
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{ |
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if ($this->isSimple()) { |
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return $this->keys[$key]; |
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} else { |
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return $this->container[array_search($key, $this->keys, true)]; |
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} |
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} |
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public function offsetExists($key) |
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{ |
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if ($this->isSimple()) { |
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return isset($this->keys[$key]); |
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} else { |
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return false!==array_search($key, $this->keys, true); |
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} |
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} |
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public function offsetUnset($key) |
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{ |
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if ($this->isSimple()) { |
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unset($this->keys[$key]); |
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} else { |
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unset($this->container[$k=array_search($key, $this->keys, true)], $this->keys[$k]); |
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} |
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} |
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public function count() |
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{ |
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return count($this->keys); |
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} |
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public function key() |
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{ |
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if ($this->isSimple()) { |
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return key($this->keys); |
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} else { |
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return $this->keys[key($this->keys)]; |
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} |
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} |
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public function current() |
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{ |
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if ($this->isSimple()) { |
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return current($this->keys); |
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} else { |
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return current($this->container); |
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} |
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} |
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public function rewind() |
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{ |
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if ($this->isSimple()) { |
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reset($this->keys); |
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} else { |
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reset($this->keys); |
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reset($this->container); |
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} |
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} |
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public function next() |
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{ |
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if ($this->isSimple()) { |
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next($this->keys); |
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} else { |
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next($this->keys)&&next($this->container); |
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} |
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} |
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public function valid() |
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{ |
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$key=key($this->keys); |
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return null!==$key&&false!==$key; |
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} |
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public function jsonSerialize() |
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{ |
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if ($this->isSimple()) { |
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return $this->keys; |
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} else { |
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$callback=function($value, $count) { |
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return array(self::prepareJson($value), $count); |
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}; |
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return array_map($callback, $this->keys, $this->container); |
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} |
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} |
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public function isSimple() |
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{ |
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return $this->simple; |
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} |
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private static function prepareJson($value) |
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{ |
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switch (gettype($value)) { |
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case "resource": |
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case "resource(closed)": |
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throw new \InvalidArgumentException("Resource type detected while trying to prepare JsonSerialize "); |
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case "object": |
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if (in_array('Serializable', class_implements(get_class($value)))) { |
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try { |
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$serialize=serialize($value); |
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return $serialize; |
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} catch (\Exception $e) { |
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throw new \InvalidArgumentException($e->getMessage()); |
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} |
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} |
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return serialize($value); |
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default: |
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return $value; |
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} |
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} |
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} |
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} |
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manuwhat /
AVC
