'; echo (equal(1, '1') ? 'Equal' : 'Not equal').'

'; echo (identical(1, 1) ? 'Identical' : 'Not identical').'

'; echo (identical(1, '1') ? 'Identical' : 'Not identical').'

'; function test($a, $b) { if($a == $b) { return true; } else { return false; } } echo (test(1, 2) ? 'Isti' : 'Nisu isti')."
"."
"; // if function have terms if/else we can add in execution // aditional parameters to print added by "?" and two options connected with ":" . $b = 5.2; echo (is_numeric($b))."
"; echo (is_numeric($b) ? "Jeste broj" : "Nije broj")."
"; echo (is_numeric($b) ? $e = "Jeste broj" : "Nije broj")."
"; echo gettype($b)."
"; echo $e."
"."
"; $foo = "54bar6"; // string $bar = true; // boolean echo settype($foo, "integer")."
"; // $foo is now 54 (integer) but will print here 1 ? echo settype($bar, "string")."
"; // $bar is now "1" (string) echo $foo."
"; // 54 echo $bar."
"; // 1 echo gettype($bar)."
"."
"; // string, 1 $barf = false; settype($barf, "double"); echo $barf."
"; // 0, true 1, false 0, string to int = 0 //if($POST['data'] != "RandomThingHere"){ //header("Location: index.php"); // info about variables on 3 ways $foo = array('a' => 1,'b' => 2); var_dump($foo); echo "
"; var_export($foo); echo "
"; print_r($foo); echo "
"; // provera clanstva - membership checkout echo array_key_exists('b', $foo); // true(1) //array_key_first($foo); //array_key_last($foo); echo 1 <=> 2; //-1 //Spaceship operater define('N', '
'); echo (1<=>1).N; // 0 ,if first number is equal to the second - 0 echo (1<=>2).N; //-1 ,if first number is lower then second - -1 echo (2<=>1).N; // 1 ,if first number is higher then second - 1 //Spaceship operater - for usage with 3 different states for example (-1,0,1) if ((3 <=> 7) == 0) { echo 'Equal'; } else if ((3 <=> 7) == 1) { echo 'First number is bigger'; } else { echo 'First number is lower'; } echo gettype(4 >= 3).N; //boolean $x = 5; $y = 8; if ($x > 0 and $y >0) { echo N.'AND both greater then 0'; } if ($x < 0 or $y > 0) { echo N."OR one of them at least"; } if ($x > 0 xor $y < 0) { echo N."XOR only one but not both"; } if ($x > 0 && $y >0) { echo N."and, && but different"; } if ($x > 0 || $y < 0) { echo N."or, || but different"; } if ( !($x == $y)) { echo N."True if NOT true"; } $z = $x == $y; // z is false so !z is true if (!$z) { echo N."Z iz false (NOT true) (which is true - for echo)"; } $d = true; // ovde dole ne prikazuje false - " " dok je true "1" echo N.!$d.'prvi'; //" "prvi, d is TRUE so !d is false - ! reverse current boolean valueof d $d = false; echo N.!$d.'drugi'; // 1drugi, d is FALSE so !d is true - ! reverse current boolean value // precedence of operators $t = true; $f = false; $tf = $t and $f; // actually $tf = $t; as '=' higher prec. then 'and'. which is shown bellow echo N.$tf; // 1 $tfff = $f and $t; // this will be false - actaully $tf = $f; echo N.$tfff; //" " ,solution - parentheses - $tf = ($t and $f); $t = true; $f = false; $tf = $t && $f; // '&&' has higher precedence then '=' echo N.$tf; // " " echo $t and $t; // 1 ?>

PHP 6 Comparison operator 2019/09/07 00:20