Online PHP editor | output for YHs7h

@ 2015-09-07T12:45:13Z

<?php

class ArrayAnalyzer
{
    /**
     * The rules to test.
     *
     * @var array
     */
    protected $rules;

    public function __construct(ArrayAnalyzerRule ...$rules)
    {
        $this->rules = $rules;
    }

    /**
     * Analyzes an array with each of the rules, and returns the report.
     *
     * @param array $array
     * @return array
     */
    public function analyze(array $array)
    {
        $report = [];

        foreach ($this->rules as $key => $rule) {
            if ($rule->fulfilledBy($array)) {
                $report[$key] = $rule->getValue($array);
            }
        }

        return $report;
    }
}

interface ArrayAnalyzerRule
{
    /**
     * Checks whether the rule is fulfilled by the passed array.
     *
     * @param array $array
     * @return boolean
     */
    public function fulfilledBy(array $array);

    /**
     * Gets the rule output value.
     *
     * @param array $array
     * @return array
     */
    public function getValue(array $array);
}

class AllIntegersRule implements ArrayAnalyzerRule
{
    /**
     * {@inheritDoc}
     */
    public function fulfilledBy(array $array)
    {
        return array_reduce($array, function ($carry, $item) {
            return $carry && is_int($item);
        }, true);
    }

    /**
     * {@inheritDoc}
     */
    public function getValue(array $array)
    {
        return true;
    }
}

class SameLengthRule implements ArrayAnalyzerRule
{
    public function fulfilledBy(array $array)
    {
        return count(array_unique(array_map(function ($item) {
            return mb_strlen($item);
        }, $array))) === 1;
    }

    /**
     * {@inheritDoc}
     */
    public function getValue(array $array)
    {
        return mb_strlen($array[0]);
    }
}

$arrayAnalyzer = new ArrayAnalyzer([
    'isInteger' => new AllIntegersRule,
    'length' => new SameLengthRule,
]);

var_dump($arrayAnalyzer->analyze([1, 2, 3]));
var_dump($arrayAnalyzer->analyze([1, 2, 'D']));
var_dump($arrayAnalyzer->analyze([1, 2, '3D']));

Output for 8.2.0 - 8.2.18, 8.3.0 - 8.3.4, 8.3.6: Fatal error: Uncaught TypeError: ArrayAnalyzer::__construct(): Argument #1 must be of type ArrayAnalyzerRule, array given, called in /in/YHs7h on line 95 and defined in /in/YHs7h:12 Stack trace: #0 /in/YHs7h(95): ArrayAnalyzer->__construct(Array) #1 {main} thrown in /in/YHs7h on line 12
Process exited with code 255.
Output for 8.3.5: Warning: PHP Startup: Unable to load dynamic library 'sodium.so' (tried: /usr/lib/php/8.3.5/modules/sodium.so (libsodium.so.23: cannot open shared object file: No such file or directory), /usr/lib/php/8.3.5/modules/sodium.so.so (/usr/lib/php/8.3.5/modules/sodium.so.so: cannot open shared object file: No such file or directory)) in Unknown on line 0 Fatal error: Uncaught TypeError: ArrayAnalyzer::__construct(): Argument #1 must be of type ArrayAnalyzerRule, array given, called in /in/YHs7h on line 95 and defined in /in/YHs7h:12 Stack trace: #0 /in/YHs7h(95): ArrayAnalyzer->__construct(Array) #1 {main} thrown in /in/YHs7h on line 12
Process exited with code 255.
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28: Fatal error: Uncaught TypeError: ArrayAnalyzer::__construct(): Argument #1 must be of type ArrayAnalyzerRule, array given, called in /in/YHs7h on line 97 and defined in /in/YHs7h:12 Stack trace: #0 /in/YHs7h(97): ArrayAnalyzer->__construct(Array) #1 {main} thrown in /in/YHs7h on line 12
Process exited with code 255.
Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33: Fatal error: Uncaught TypeError: Argument 1 passed to ArrayAnalyzer::__construct() must implement interface ArrayAnalyzerRule, array given, called in /in/YHs7h on line 97 and defined in /in/YHs7h:12 Stack trace: #0 /in/YHs7h(97): ArrayAnalyzer->__construct(Array) #1 {main} thrown in /in/YHs7h on line 12
Process exited with code 255.
Output for 5.6.7 - 5.6.28: Catchable fatal error: Argument 1 passed to ArrayAnalyzer::__construct() must implement interface ArrayAnalyzerRule, array given, called in /in/YHs7h on line 98 and defined in /in/YHs7h on line 12
Process exited with code 255.
Output for 5.4.2 - 5.4.45, 5.5.24 - 5.5.35: Parse error: syntax error, unexpected '.', expecting '&' or variable (T_VARIABLE) in /in/YHs7h on line 12
Process exited with code 255.

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