Supported Versions: PHP 4 >= 4.0.7, PHP 5, PHP 7, PHP 8
Checks if the given key or index exists in the array
<?php array_key_exists(string|int|float|bool|resource|null $key, array $array): bool<?php public function hasCommandHandler($command)
{
return array_key_exists(get_class($command), $this->handlers);
}<?php public function forget($key)
{
if (array_key_exists($key, $this->storage)) {
unset($this->storage[$key]);
return true;<?php $key = (string) $key;
}
return array_key_exists($key, $array);
}<?php public function get($key, $default = null)
{
if (array_key_exists($key, $this->items)) {
return $this->items[$key];
}<?php public function getOrPut($key, $value)
{
if (array_key_exists($key, $this->items)) {
return $this->items[$key];
}<?php default => $groupKey,
};
if (! array_key_exists($groupKey, $results)) {
$results[$groupKey] = new static;
}<?php $keys = is_array($key) ? $key : func_get_args();
foreach ($keys as $value) {
if (! array_key_exists($value, $this->items)) {
return false;
}
}<?php return new static(function () use ($iterator, &$iteratorIndex, &$cache) {
for ($index = 0; true; $index++) {
if (array_key_exists($index, $cache)) {
yield $cache[$index][0] => $cache[$index][1];
continue;<?php $count = count($keys);
foreach ($this as $key => $value) {
if (array_key_exists($key, $keys) && --$count == 0) {
return true;
}
}<?php $keys = array_flip(is_array($key) ? $key : func_get_args());
foreach ($this as $key => $value) {
if (array_key_exists($key, $keys)) {
return true;
}
}<?php $keys = array_flip($keys);
foreach ($this as $key => $value) {
if (array_key_exists($key, $keys)) {
yield $key => $value;
unset($keys[$key]);<?php $items = $this->getArrayableItems($items);
foreach ($this as $key => $value) {
if (array_key_exists($key, $items)) {
yield $key => $items[$key];
unset($items[$key]);<?php protected static function addDependencyForCallParameter($container, $parameter,
array &$parameters, &$dependencies)
{
if (array_key_exists($paramName = $parameter->getName(), $parameters)) {
$dependencies[] = $parameters[$paramName];
unset($parameters[$paramName]);<?php unset($parameters[$paramName]);
} elseif (! is_null($className = Util::getParameterClassName($parameter))) {
if (array_key_exists($className, $parameters)) {
$dependencies[] = $parameters[$className];
unset($parameters[$className]);<?php }
} elseif ($parameter->isDefaultValueAvailable()) {
$dependencies[] = $parameter->getDefaultValue();
} elseif (! $parameter->isOptional() && ! array_key_exists($paramName, $parameters)) {
$message = "Unable to resolve dependency [{$parameter}] in class {$parameter->getDeclaringClass()->getName()}";
throw new BindingResolutionException($message);