public function setup()
{
$array = new \SplFixedArray(3);
$array->offsetSet(0, new StringLiteral('one'));
$array->offsetSet(1, new StringLiteral('two'));
$array->offsetSet(2, new Integer(3));
$this->collection = new Collection($array);
}
/**
* {@inheritdoc}
*/
public function offsetSet($index, $newval)
{
if (!empty($newval) && false === $newval instanceof Hypothesis) {
throw new \InvalidArgumentException(sprintf('HypothesesList could only contain Hypothesis, %s given.', get_class($newval)));
}
parent::offsetSet($index, $newval);
}
public function offsetSet($offset, $value)
{
if (!$this->isValid($offset, $value)) {
throw new \RuntimeException();
}
return parent::offsetSet($offset, $value);
}
/**
* Returns a Collection of the values.
*
* @return Collection
*/
public function values()
{
$count = $this->count()->toNative();
$valuesArray = new \SplFixedArray($count);
foreach ($this->items as $key => $item) {
$valuesArray->offsetSet($key, $item->getValue());
}
return new Collection($valuesArray);
}
/**
* Set collection item.
*
* Warning! `$newval` must not be typehinted to be compatible with `ArrayAccess::offsetSet` method.
*
* @param int $index
* @param Token $newval
*/
public function offsetSet($index, $newval)
{
$this->changed = true;
$this->registerFoundToken($newval);
parent::offsetSet($index, $newval);
}
<?php /* spl 提供一种固定数组数据结构，可以用以替代php的（数字索引）数组 它的性能更高。 */ $a = new SplFixedArray(6); $a[5] = 'iam5'; $a[1] = 'iam7'; //$a['a'] ="aaa"; //对固定数组对象的操作最好使用它提供的方法，而非直接以数组的方式操作,如下是设置数组元素值的方法 $a->offsetSet(0, 'iam0'); // current() 等方法都是操作的数组内部的指针，而非索引 // 默认情况下指针指向数组第一个元素。 $va = $a->current(); var_dump($va); //将一个普通数组转换为splfixarray // 默认保留数字索引，且以最大数字索引为依据生成固定数组大小，如这里是9+1 = 10 $ar = ['aaa', 'bbb', 6 => 'ccc', 9 => 'ddd']; $wo = SplFixedArray::fromArray($ar); $h4 = $wo->offsetExists(6); var_dump($h4, $wo);
/**
* @param int $offset
* @param mixed $value
*/
public function offsetSet($offset, $value)
{
$this->set->offsetSet($offset, $value);
}
/**
* Constructor
* @param \Segment\Model\SearchValues|\Segment\Model\Expression $value1
* @param \Segment\Model\SearchValues|\Segment\Model\Expression $values Variable-length variable.
*/
public function __construct($value1, ...$values)
{
$count = count($values);
$v_arr = new \SplFixedArray($count + 1);
$v_arr->offsetSet(0, $value1);
for ($i = 0; $i < $count; $i++) {
$v_arr->offsetSet($i + 1, $values[$i]);
}
$this->values = $v_arr;
$this->count = $v_arr->count();
}
<?php
$array = new SplFixedArray(5);
$a = $array->offsetSet(2);
if (is_null($a)) {
echo 'PASS';
}
public function offsetSet($n, $v)
{
echo "A::offsetSet\n";
return parent::offsetSet($n, $v);
}
// 获得当前节点 $array->current(); // next() // 指针移动到下一个节点 $array->next(); // setSize(int $size) // 重新设置阵列数组的大小 $array->setSize(10); // getSize() // 获得阵列数组的大小 $array->getSize(); // offsetExists(int $index) // 判断该索引是否存在值，返回boolean $array->offsetExists(3); // offsetGet(int $index) // 获得该索引对应的值 $array->offsetGet(3); // offsetSet(int $index, mixed $value) // 设置该索引对应的值 $array->offsetSet(6, 'value3'); // offsetUnset(int $index) // 删除该索引对应的值 $array->offsetUnset(6); // toArray() // 将阵列转化成php数组 // output: Array ( [0] => [1] => 2 [2] => [3] => value2 [4] => [5] => [6] => [7] => [8] => [9] => ) $php_array = $array->toArray(); // fromArray($php_array) // 将php数组转化成阵列 // output: SplFixedArray Object ( [0] => [1] => 2 [2] => [3] => value2 [4] => [5] => [6] => [7] => [8] => [9] => ) $spl_array = SplFixedArray::fromArray($php_array);
/**
* Reads the redis pending response
* @return string|integer|boolean|array
* @throws ClientIOError
* @throws ClientRedisError
*/
protected function _read()
{
$reply = fgets($this->_socket, 512);
if ($reply === false) {
$this->onClientIOError('Network error - unable to read header response');
}
$reply = trim($reply);
if (empty($reply)) {
return null;
}
switch ($reply[0]) {
case '+':
// inline reply
$reply = substr($reply, 1);
return strcasecmp($reply, 'OK') === 0 ? true : $reply;
break;
case '-':
// error
$this->onClientRedisError(trim(substr($reply, 4)));
return false;
break;
case ':':
// inline numeric
return intval(substr($reply, 1));
break;
case '$':
// bulk reply
$size = intval(substr($reply, 1));
if ($size === -1) {
return null;
}
$reply = '';
if ($size > 0) {
$read = 0;
do {
$block_size = $size - $read > 1024 ? 1024 : $size - $read;
$r = fread($this->getSocket(), $block_size);
if ($r === FALSE) {
$this->onClientIOError('Failed to read bulk response from stream');
} else {
$read += strlen($r);
$reply .= $r;
}
} while ($read < $size);
}
fread($this->getSocket(), 2);
/* discard crlf */
return $reply;
break;
case '*':
// multi-bulk reply
$size = intval(substr($reply, 1));
if ($size === -1) {
return null;
}
if ($size === 0) {
return array();
}
$reply = new \SplFixedArray($size);
for ($i = 0; $i < $size; $i++) {
$reply->offsetSet($i, $this->_read());
}
return $reply;
break;
}
$this->onClientRedisError('Undefined protocol response type : ' . $reply);
}
protected function resize($size, $count = null)
{
$data = new \SplFixedArray($size);
$count = null === $count ? $this->count : $count;
$start = (int) (($size - $count) / 2);
$n = 0;
$N = $count < $this->count ? $count : $this->count;
while ($n < $N) {
$data->offsetSet($n + $start, $this->data->offsetGet($this->map($n)));
++$n;
}
$this->data = $data;
$this->start = $start;
$this->count = $count;
}
<?php
$array = new SplFixedArray(5);
$a = $array->offsetSet();
if (is_null($a)) {
echo 'PASS';
}
