PHP Equivalent of .Net/Java'S Tostring()

PHP equivalent of .NET/Java's toString()

You can use the casting operators:

$myText = (string)$myVar;

There are more details for string casting and conversion in the Strings section of the PHP manual, including special handling for booleans and nulls.

Is there an integer equivalent of __toString()

I'm afraid there is no such thing. I'm not exactly sure what the reason is you need this, but consider the following options:

Adding a toInt() method, casting in the class. You're probably aware of this already.

public function toInt()
{
    return (int) $this->__toString();
}

Double casting outside the class, will result in an int.

$int = (int) (string) $class;

Make a special function outside the class:

function intify($class)
{
    return (int) (string) $class;
}
$int = intify($class);

Of course the __toString() method can return a string with a number in it: return '123'. Usage outside the class might auto-cast this string to an integer.

Java String.valueOf to PHP

The java code you posted looks like it's converting a char to a java.lang.String. This is necessary in java since it's a strongly typed language. PHP is loosely typed so you don't need to explicitly handle type conversions. The PHP conversion of the java code you found might look something like this:

for ($counter=0; $counter <= count($htmlInput) - 1; $counter++) {
    // place the current character in tempChar
    $tempChar = substr($htmlInput, $counter, 1);

BTW: implode() in PHP is used to join elements of an array into a string.

What is Php's equivalent of Java's newInputStreamSupplier?

Well, i figured out a solution for my question.
I should pass the full path to the file in the CURL filesize header:

curl_setopt($ch, CURLOPT_INFILESIZE, filesize(realpath($localfile));

Also, I had to add the below CURL header to transfer file data as binary:

curl_setopt($ch, CURLOPT_BINARYTRANSFER, 1);

The solution mentioned in this question helped me.

Use $this argument for toString method in parent in PHP

You can't change the definition of the method declared in the parent:

class B extends A {
    public function toString($object = array()) {
        parent::toString($this);
    }
}

EDIT: Add a default parameter to parent function

Class A {
    public function toString($object = array()) {
        ...
    }
}

using {0} of {1} in a ToString

You, probably, are looking for string interpolation:

 public override string ToString() => $"{GetCard(),5} of {GetSuit}";

please, note the syntax: $ before the interpolated atring and values in braces "...{value}..."

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