PHP WTF

PHP WTF

• 1.
  PHP WTH A shorttour of pain & fire.
• 2.
  list() list($a, $a) =array(1, 2, 3, 4); echo $a; // 1 // WTH
• 3.
  in_array() $a = array('7.1'); $exists= in_array('7.10', $a); var_dump($exists); // true // WTH
• 4.
  Private ORLY class Human{ private $name; function __construct($name) { $this->name = $name; } public function touch($human) { echo “Touched $human->name”; } } $sally = new Human(‘sally’); $joe = new Human(‘joe’); $sally->touch($joe); // Touched joe
• 5.
  == $a = 0; $b= 'x'; false == $a; // true $a == $b; // true $b == true; // true // FFFFFFUUUUUU
• 6.
  Post increment $a =4; echo $a+++$a++; // 9 // WAT
• 7.
  Floats $a = 0.1* 0.1; var_dump($a); // double(0.01) var_dump($a == 0.01); // false // ARRRRRGGGG
• 8.
  Ternaries echo (true ? 'Foo': false ? 'Bar' : ‘Baz' ); // Bar // NOOOOOO
• 9.
  Be Careful