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<?php
	
	// OK
	//$text = "78&7";
	//$newtext = preg_replace("/[^A-Za-z0-9 ]/", "", $text);
	//echo " +++++ " .$newtext;
	//echo " ";
	//echo " ";
	
	
	// ?? $cleanString = preg_replace('/[^A-Za-z0-9\-]/', '', $inputString);
	// ?? $cleanString = filter_var($text, FILTER_SANITIZE_STRING);
	// ?? echo $cleanString; // Output: Hello, World!
	
	$array_val = array(" 51 78 ", "78&7", "747Z", "747z", "1747", ".1792.AqP.44." , "AZerTY", "8.15", "123.78.94" , ".514" , "357.");
	$array_process = array();

// supprimer les espaces en début et fin de chaines

// les caractéres spéciaux ne sont pas pris en compte ????

for ($i = 0; $i < count($array_val); $i++) 
	{
		$newtext = preg_replace("/[^A-Za-z0-9. ]/", "", $array_val[$i]);
		$array_val[$i] = $newtext;
	}
	
	
	echo " ";
	echo " ";
	echo "<pre>";
	print_r($array_val);
	echo "</pre>";
	echo " ";
	echo " ";

for ($i = 0; $i < count($array_val); $i++) 
	{
		$new_str = str_replace(' ', '', $array_val[$i]);
		$array_val[$i] = $new_str;
		
		echo "--+++---> " .$i . " " .$array_val[$i];
		
		$newtext = preg_replace("/[^A-Za-z0-9 ]/", "", $array_val[$i]);
		echo " +++++ " .$newtext;
		
		if(contains_letters($array_val[$i]) )
		{
			echo " Contient des lettres ";
			// on autorise uniquement les nombres
			$remove_letter = preg_replace("/[^0-9]/", "", $array_val[$i] );	
			//echo " Contient des lettres " .$remove_letter;
			///		$remove_letter = preg_replace("/[^A-Za-z0-9 ]/", "", $array_val[$i]);
			
			//$remove_letter = preg_match("/^[a-zA-Z0-9]+$/", $array_val[$i]);
			
//			$remove_letter = preg_replace("/[^a-zA-Z0-9]/", "", $array_val[$i]);
			
// 	 $remove_letter = preg_replace("/[^A-Za-z0-9 ]/", "", $array_val[$i]);
			
			// [0 9] 48 - 57
			// [a z] 97 - 122 
			// [A Z] 65 - 90 
			
			if( strlen($remove_letter) == 0)
			{
				$array_process[$i] = "vide";
			}				
			else
			{
				$array_process[$i] = $remove_letter;
			}
			echo $remove_letter;
			
		}
		else
		{
			echo " Ne contient aucunes lettres ";
			
			$pieces = str_split($array_val[$i]);
			$test = point_exploration($pieces);
			
			
			// plusieur point ? 
			if( $test == true)
			{
				$array_process[$i] = "vide";
			}		
			// il y a un point			
			else
			{	
				// supprimer le point en premiére position
				if( $pieces[0] == chr(46) )
				{
					$changed = substr($array_val[$i], 1); 
					$array_process[$i] = $changed;
					//echo $array_testing[$i] ." devient " .$changed;
					//echo "";
					//$array_convert[$i] = $changed;
					//$flag = true;
				}		
		
				else if( end($pieces) == chr(46) )
				{
					$changed = substr($array_val[$i], 0, -1); 
					$array_process[$i] = $changed;

//echo $array_testing[$i] ." devient " .$changed;
					//echo "";
					//$array_convert[$i] = $changed;
					//$flag = true;
				}		
				
				else
				{	
					$array_process[$i] = $array_val[$i];
				}
			}	
		}			
		
		echo " ";
		
	}
	
	echo " ";
	echo " ";
	echo "<pre>";
	print_r($array_process);
	echo "</pre>";
	echo " ";
	echo " ";
	
	
	$myVar = "747Z";
	//echo $myVar ." contient des lettres " .preg_match('/[a-zA-Z]+/', $myVar);
	$length_string = strlen($myVar);
	if(contains_letters($myVar) )
	{
		echo $myVar ." contient des lettres ";
		// on autorise uniquement les nombres
		$res = preg_replace("/[^0-9]/", "", $myVar );
		$total_nombre = strlen($res);
		
		echo $length_string ." " .$total_nombre ;
		
	}
	else
	{
		echo $myVar ." Ne contient pas des lettres ";
	}
	echo " ";
	
	$myVar = "747z";
	//echo $myVar ." contient des lettres " .preg_match('/[a-zA-Z]+/', $myVar);
	if(contains_letters($myVar) )
	{
		echo $myVar ." contient des lettres ";
		echo preg_replace("/[^0-9]/", "", $myVar );
	}
	else
	{
		echo $myVar ." Ne contient pas des lettres ";
	}
	echo " ";
	
	$myVar = "1747";
	//echo $myVar ." contient des lettres " .preg_match('/[a-zA-Z]+/', $myVar);
	if(contains_letters($myVar) )
	{
		echo $myVar ." contient des lettres ";
	}
	else
	{
		echo $myVar ." Ne contient pas des lettres ";
	}
	echo " ";
	
	$myVar = "AZERTY";
	//echo $myVar ." contient des lettres " .preg_match('/[a-zA-Z]+/', $myVar);
	if(contains_letters($myVar) )
	{
		echo $myVar ." contient des lettres ";
		// on autorise uniquement les nombres
		$res = preg_replace("/[^0-9]/", "", $myVar );
		echo strlen($res);
	}
	else
	{
		echo $myVar ." Ne contient pas des lettres ";
	}
	echo " ";
	
	
	/*
	if('string1' == 'string1')
	{
		echo 'Strings match.';
	} 
	else 
	{
		echo 'Strings do not match.';
	}

if($str == $res)
	{
		echo 'Strings OK';
	} 
	else 
	{
		echo 'Strings error';
	}
	*/
	
	
	
	
	$array_testing = array("1235", "aze", "8.15", "AZ9.78", ".127.Q78.2.5", ".514", "357.");
	$array_convert = array();
	$flag = true;
	
	for ($i = 0; $i < count($array_testing); $i++) 
	{
	
		echo "-----> " .$array_testing[$i];
		echo " ";
	
		$pieces = str_split($array_testing[$i]);
	
		// 
	
		$test = point_exploration($pieces);
	
		/*if( $test == true )
		{
			$array_convert[$i] = "Bad";
			//$flag = true;
		}*/
		
		// supprimer le point en premiére position
		if( $pieces[0] == chr(46) )
		{
			$changed = substr($array_testing[$i], 1); 
			echo $array_testing[$i] ." devient " .$changed;
			echo "";
			$array_convert[$i] = $changed;
			$flag = true;
		}		
		
		if( end($pieces) == chr(46) )
		{
			$changed = substr($array_testing[$i], 0, -1); 
			echo $array_testing[$i] ." devient " .$changed;
			echo "";
			$array_convert[$i] = $changed;
			$flag = true;
		}		
		
		/*else
		{
			/*if(flag == false)
			{
				echo " Analyse ----> " .$array_testing[$i]; 
				echo "";
				$res = preg_replace("/[^0-9.]/", "", $array_testing[$i] );
				$array_convert[$i] = $res;
				//echo $res;
				//echo "";
				$res = compare($array_testing[$i], $res);
				if( $res == "bad")
				{
				//	echo "ddddd" .$res;
				//	echo "";
				$array_convert[$i] = "bad";
				}
			}*/
		/*}*/
		
	}
	
	echo " ------- ";
	echo " ------- ";
	echo " ------- ";
	
	print_r($array_convert);
	
	//plusieurs points dans la chaine

$str = ".127.78.2.5";
	$pieces = str_split($str);
	$cpt = 0;
	$flag_not_valide_point = false;
	
	for ($i = 0; $i < count($pieces); $i++) 
	{
		if( $pieces[$x] == chr(46) )
		{
			// compte les points qui sont inclus dans la chaine
			$cpt++;
			if( $cpt >= 2 )
			{
				$flag_not_valide_point = true;
				echo "Trop ";
				echo "";
				break;
			}
		}
	}
	
	
	
	$str = "1235";
	$res = preg_replace("/[^0-9.]/", "", $str );
	echo $res;
	compare($str, $res);
	echo "";

$str = "aze";
	$res = preg_replace("/[^0-9.]/", "", $str );
	echo $res;
	compare($str, $res);
	echo "";

$str = "8.15";
	$res = preg_replace("/[^0-9.]/", "", $str );
	echo $res;
	compare($str, $res);
	echo "";

$str = "AZ9.78";
	$res = preg_replace("/[^0-9.]/", "", $str );
	echo $res;
	compare($str, $res);
	echo "";

$str = ".127.78.2.5";
	$res = preg_replace("/[^0-9.]/", "", $str );
	echo $res;
	compare($str, $res);
	echo "";

$str = ".357";
	$res = preg_replace("/[^0-9.]/", "", $str );
	echo $res;
	compare($str, $res);
	echo "";
	echo "";
	
	echo " ------- ";

echo "";
	echo "";
	$str = ".357";
	$pieces = str_split($str);
	// supprimer le point en premiére position
	if( $pieces[0] == chr(46) )
	{
		$str1 = substr($str, 1); 
		echo $str ." devient " .$str1;
		echo "";
	}

echo " ------- ";
	
	echo "";
	echo "";
	$str = "357.";
	$pieces = str_split($str);
	// supprimer le point en derniere position
	if( end($pieces) == chr(46) )
	{
		$str1 = substr($str, 0, -1); 
		echo $str ." devient " .$str1;
		echo "";
	}

echo " ------- ";
	
	echo "";
	echo "";

//plusieurs points dans la chaine

//127.78.2.5
	
	//$array = array(1, "hello", 1, "world", "hello");

echo " ---> " .$str;
	echo "";
	
	$resultArray = array();
	
	$resultArray = array_count_values($pieces);
	//print_r(array_count_values($pieces));
	
	//echo "";
		
	$all_keys = array_keys($resultArray);
	
	echo " All keys " . print_r($all_keys);
	
	echo "";
	
	echo " ++++ " .$all_leys[0];
	
	if( $all_leys[0] == chr(46) ) 
	{
		echo "klklhklhklhkkkl";
	}
	
	echo "";
	
	//print_r(array_keys($resultArray));
	
	/*for ($x = 0; $x < count($resultArray); $x++) 
	{
		echo " -----> " .$resultArray[$x];
		echo "";
		if( $resultArray[$x] == chr(46) )
		{
			echo " Zoulou " .$resultArray[chr46];
		}
	}*/

// OK

//echo preg_replace('~\D~', '', $str);

//echo "";

echo test("1235");

echo "";

echo test("aze");

echo "";

echo test("8.15");

echo "";

echo test("AZ9.78");

echo "";

echo test(".127.78.2.5");

echo "";

echo test(".357");

echo "";

$str = "A";

if( $str == chr(65) )

{

echo "Bingo";

echo " ";

}

echo preg_match("/^[a-z0-9.]+$/i", "123");

echo " ";

echo preg_match("/^[a-z0-9.]+$/i", "aze");

echo " ";

echo preg_match("/^[a-z0-9.]+$/i", "123.78");

echo " ";

echo preg_match("/^[a-z0-9.]+$/i", "12a3.Z78");

echo " ";

$str = '123454321';

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

if ( preg_match($pattern, $str) )

{

echo 'string contains only digits';

}

else

{

echo 'string does not contain only digits';

}

/*$pieces = str_split("789123");

for ($i=0; $i<count($pieces); $i++)

{

echo $pieces[$i] ." ";

if( $str != chr(48) || $str != chr(49) || $str != chr(50) || $str != chr(51) ||

$str != chr(52) || $str != chr(53) || $str != chr(54) || $str != chr(55) ||

$str != chr(56) || $str != chr(57)  )

{

echo "Probléme";

echo " ";

}

echo " ";

echo hasNumbers("123");

echo " ";

echo hasNumbers("aze");

echo " ";

echo hasNumbers("0a8kp");

echo " ";

$string = "789";

if (preg_match('~[0-9]+~', $string))

{

echo 'string with numbers';

echo " ";

}

$string = "7.89";

if (preg_match('~[0-9]+~', $string))

{

echo 'string with numbers';

echo " ";

}

$string = "a8";

if (preg_match('~[0-9]+~', $string))

{

echo 'string with numbers';

echo " ";

}

$string = "agdf";

if (preg_match('~[0-9]+~', $string))

{

echo 'string with numbers';

echo " ";

}

//echo intval("42");

//echo " ";

//echo intval("AZ");

//echo " ";

//echo intval("10.57");

$error = "78.7.21";

$tests = array(

"42",

1337,

0x539,

02471,

0b10100111001,

1337e0,

"0x539",

"02471",

"0b10100111001",

"1337e0",

"not numeric",

array(),

9.1,

$error,

null,

'',

);

foreach ($tests as $element) {

if (is_numeric($element)) {

echo var_export($element, true) . " is numeric", PHP_EOL;

} else {

echo var_export($element, true) . " is NOT numeric", PHP_EOL;

}

echo " ";

}

function contains_letters($string)
{
	return preg_match('/[a-zA-Z]+/', $string);
}

function compare($string1, $string2)
{
	$status = "";

if (strcmp($string1, $string2) == 0) 
	//if ( $string1 == $string2) 
	{
		echo 'Equal';
		echo " ";
		$status = "good";
	}
	else
	{
		echo 'Differente';
		echo " ";
		$status = "bad";
	}
	
	return($status);

}

}

function hasNumbers($strValue)

{

return preg_match('/[0-9]/', $strValue); // === 1;

}

function test($val)

{

$pieces = str_split($val);

//echo "<pre>";

//print_r($pieces);

//echo "</pre>";

$count_point = substr_count($val, '.');

echo "  ----> Nb points " .$count_point ."  +++++++  ";

echo "";

/*if( $pieces[0] == chr(46) )

{

$detect_error = true;

echo " TRACE1 ";

}*/

//else

//{

//echo " TRACE2 ";

if( $count_point < 2 ) // pas de point ou 1

{

$detect_error = false;

for ($i=0; $i<count($pieces); $i++)

{

echo "---> $i " .$pieces[$i] ." ";

if( $pieces[$i] == chr(46)   )

{

$detect_error = false;

if( $i == 0 ) // erreur si on commence par un point

{

$detect_error = true;

break;

}

else if( $pieces[$i] >= chr(48) && $pieces[$i] <= chr(57) )

{

$detect_error = false;

}

else

{

$detect_error = true;

break;

}

else

{

$detect_error = true;

//$detect_error = "lulu";

//echo "fdgljqjglkfjgklfjqljqjsdl     "  .$detect_error ;

}

//}

if( $detect_error )

{

$retour = "Erreur";

}

else

{

$retour = "OK";

}

return $retour ." " .$val;

}

function filtre_ascii_code()
{
	
	
}