In this article we will learn about some of the frequently asked Php programming questions in technical like “what is the hashmap like in php” Code Answer. When creating scripts and web applications, error handling is an important part. If your code lacks error checking code, your program may look very unprofessional and you may be open to security risks. Error handling in PHP is simple. An error message with filename, line number and a message describing the error is sent to the browser. This tutorial contains some of the most common error checking methods in PHP. Below are some solution about “what is the hashmap like in php” Code Answer.
what is the hashmap like in php
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class IEqualityComparer {
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public function equals($x, $y) {
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throw new Exception("Not implemented!");
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}
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public function getHashCode($obj) {
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throw new Exception("Not implemented!");
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}
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}
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class HashMap {
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private $map = array();
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private $comparer;
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public function __construct(IEqualityComparer $keyComparer) {
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$this->comparer = $keyComparer;
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}
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public function has($key) {
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$hash = $this->comparer->getHashCode($key);
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if (!isset($this->map[$hash])) {
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return false;
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}
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foreach ($this->map[$hash] as $item) {
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if ($this->comparer->equals($item['key'], $key)) {
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return true;
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}
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}
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return false;
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}
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public function get($key) {
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$hash = $this->comparer->getHashCode($key);
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if (!isset($this->map[$hash])) {
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return false;
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}
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foreach ($this->map[$hash] as $item) {
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if ($this->comparer->equals($item['key'], $key)) {
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return $item['value'];
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}
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}
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return false;
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}
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public function del($key) {
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$hash = $this->comparer->getHashCode($key);
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if (!isset($this->map[$hash])) {
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return false;
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}
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foreach ($this->map[$hash] as $index => $item) {
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if ($this->comparer->equals($item['key'], $key)) {
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unset($this->map[$hash][$index]);
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if (count($this->map[$hash]) == 0)
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unset($this->map[$hash]);
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return true;
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}
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}
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return false;
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}
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public function put($key, $value) {
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$hash = $this->
