Online PHP editor | output for oREHV

@ 2014-02-14T00:37:32Z

<?php

class MessageId
{
    protected static $partSeperator = '_';
    protected static $hashAlgorithm = 'crc32';
    protected static $validNames    = [];
    protected $name;
    protected $time;
    protected $hash;
    
    public function __construct($name)
    {
        $this->time = microtime(true);
        $this->name = trim($name);
        $this->hash = hash(static::$hashAlgorithm, rand(0, $this->time));

        if (empty($this->name)) {
            throw new DomainException('Name must not be empty');
        }
        if (!in_array($this->name, static::$validNames)) {
            throw new DomainException("Invalid name [$name]");
        }
    }

    public static function fromString($idString)
    {
        $parts = explode(static::$partSeperator, $idString);
        if (count($parts) != 3) {
            throw new DomainException("Unexpected format [$idString]");
        }
        return static::fromParts($parts[0], $parts[1], $parts[2]);
    }
    
    public static function fromParts($name, $time, $hash)
    {
        $id 	  = new static($name);
        $id->time = floatval($time);
        $id->hash = strval($hash);

        return $id;
    }
    
    public function name()
    {
        return $this->name;
    }
    
    public function time()
    {
        return $this->time;
    }

    public function equals(self $other)
    {
        return ((string) $this == (string) $other);
    }
    
    public function __toString()
    {
        return implode(static::$partSeperator, (array) $this);
    }
}

var_dump(new MessageId('foo'));

Output for 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.26, 7.3.0 - 7.3.13, 7.4.0 - 7.4.1: Fatal error: Uncaught DomainException: Invalid name [foo] in /in/oREHV:22 Stack trace: #0 /in/oREHV(65): MessageId->__construct('foo') #1 {main} thrown in /in/oREHV on line 22
Process exited with code 255.
Output for 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40: Fatal error: Uncaught exception 'DomainException' with message 'Invalid name [foo]' in /in/oREHV:22 Stack trace: #0 /in/oREHV(65): MessageId->__construct('foo') #1 {main} thrown in /in/oREHV on line 22
Process exited with code 255.
Output for 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29: Parse error: syntax error, unexpected '[' in /in/oREHV on line 7
Process exited with code 255.
Output for 5.0.0 - 5.0.5: Parse error: parse error, unexpected '[' in /in/oREHV on line 7
Process exited with code 255.
Output for 4.4.2 - 4.4.9: Parse error: syntax error, unexpected T_STRING, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in /in/oREHV on line 5
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.3.11, 4.4.0 - 4.4.1: Parse error: parse error, unexpected T_STRING, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in /in/oREHV on line 5
Process exited with code 255.
Output for 4.3.2 - 4.3.4: Parse error: parse error, expecting `T_OLD_FUNCTION' or `T_FUNCTION' or `T_VAR' or `'}'' in /in/oREHV on line 5
Process exited with code 255.

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