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@ 2017-07-26T01:02:36Z

<?php 
$rcg = new RandomChar(GenType::Digits_only,10);
echo $rcg->generate();

class RandomChar {
    
    public $genType;
    public $size;
    
    function __construct($genType,$size) {
        $this->genType = $genType;
        $this->size = $size;
    }
    
    function generate() {
        $generated = "";
        switch ($this->genType) {
            case GenType::Digits_only:
                for ($index = 0; $index < $this->size; $index++) {
                    $generated = $generated + $this->generateDigitOnly();
                }
                break;
            default:
                break;
        }
        return $generated;
    }
    function generateDigitOnly() {
        $num_array = array('0','1','2','3','4','5','6','7','8','9');
        $rand_keys = array_rand($num_array, 1);
        return $rand_keys[0];
    }
}

class GenType {
    const Digits_only = 0;
    const Letters_Lowercase = 1;
    const Letters_Uppercase = 2;
    const Letters_LowerUppercase = 3;
    const Digits_Lowercase = 4;
    const Digits_Uppercase = 5;
    const Digits_LowerUppercase = 6;
}

Output for git.master, git.master_jit, rfc.property-hooks: Warning: Trying to access array offset on int in /in/BkEOp on line 31 Fatal error: Uncaught TypeError: Unsupported operand types: string + null in /in/BkEOp:20 Stack trace: #0 /in/BkEOp(3): RandomChar->generate() #1 {main} thrown in /in/BkEOp on line 20
Process exited with code 255.

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2022-12-01 RFC: Property hooks - included in PHP 8.4
2020-03-21 RFC: Is_Literal - declined
2020-12-04 Enumerations - included in PHP 8.1
2018-06-15 Typed Properties v2 - implemented in PHP 7.4
2016-08-12 Object typehint - included in PHP 7.2
2016-08-14 Arrow functions - withdrawn
2016-05-29 array_change_keys() - withdrawn
2016-04-19 Lexical scope support for anonymous classes - suspended
2016-04-17 Functional Interfaces - declined
2016-03-16 Typed Properties - superseded in favor of Typed Properties 2.0
2015-08-27 Callable Prototypes - declined
2015-05-01 Short Closures - declined / withdrawn in favor of Arrow Functions
2015-02-18 Scalar type hints v5 - included in PHP 7
2015-02-14 Union Types - declined
2013-09-22 Anonymous classes - included in PHP 7

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