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<?php

$str = '8560841836';
	$len = strlen($str);

for($i = 0; $i < $len; ++$i) 
 echo $str[$i]."";

//$pattern = '/^[0-9]+$/';
	
	// is_int
	// is_float

echo " ";
	echo " ";
	echo " ";

test_float(235);
	echo " ";
	test_float(23.5);
	echo " ";
	
	echo " ";
	echo "-----> " .gettype("357");
	echo " ";
	echo "-----> " .gettype(357);
	echo " ";
	echo "-----> " .gettype("3.57");
	echo " ";
	echo "-----> " .gettype(8.789);
	echo " ";	
	
	$type_val = convert_to_string(123);
	echo gettype($type_val);
	
	/*$test = is_float(23.5);
	
	if( $test == false)
	{
		echo "23.5 est-il un floattant ? " .$test;
	}
	else	
	
	$test = is_float(235);
	
	if( $test == false)
	{
		echo "lmkjkljkljkllk";
	}		
	echo "235 est-il un floattant ???? ? " .$test;
	*/
	echo " ";
	echo " ";
	
	
	echo substr_count("78.123.788","."); // compte les points donc 2
	echo " ";
	echo substr_count("78123.788","."); // idem donc 1
	echo " ";
	echo substr_count("78123788","."); // idem doc 0
	echo " ";
	
	
	$str = '0.8560841836';
	
	if( $str[0] == "0" && $str[1] == "." )
	{
		echo " blabla ...";
	}

/*if(!preg_match('#[^0-9]#',$value))
	{
		echo "Value is numeric";
	}
	else
	{
		echo "Value not numeric";
	}*/

function convert_to_string($val)
{
	
	return strval($val);
}

/*function nombre_valide($val)
{

substr_count("78.123.788","."); // compte les points  donc 2

}*/

function test_float($val)
{
	$test = is_float($val);
	
	if( $test == false)
	{
		echo $val ." n'est pas un floattant ?."; 
	}
	else
	{
		echo $val ." est un floattant ?"; 
	}		
	
}