five.php

<?php
$arr = array("bwah");
var_dump(in_array(0, $arr, true)); //false
?>

fix.php

<?php
foreach($array as $value)
  if(($strict && $value === $cmpTo) || (!$strict && $value == $cmpTo))
    return true;

return false;
?>

four.php

<?php
$arr = array("foo" => "bar");
var_dump(in_array("bar", $arr)); //true
var_dump(in_array("foo", $arr)); //false

$arr = array("hi", "there");
var_dump(in_array(0, $arr)); //true
var_dump(in_array(1, $arr)); //false

$arr = array(0 => "hi", 1 => "there");
ar_dump(in_array(0, $arr)); //true
ar_dump(in_array(1, $arr)); //false
?>

one.php

<?php
foreach((array) $items as $k => $v)
  echo (in_array($k, $dateFields) ? date('F jS, Y', $v) : $v;
?>

three.php

<?php
$arr = array("bwah");
var_dump(in_array((bool) 0, $arr)); //false
var_dump(in_array((int) 0, $arr)); //true
?>

two.php

<?php
$arr = array();
var_dump(in_array("a", $arr)); //false
var_dump(in_array(0, $arr)); //false
var_dump(in_array(true, $arr)); //false

$arr = array("bwah");
var_dump(in_array("a", $arr)); //false
var_dump(in_array(0, $arr)); //TRUE - OMG WTF?!
var_dump(in_array((float) 0.0, $arr)); //TRUE - OMG WTF?!
var_dump(in_array(true, $arr)); //true - makes some sense, since ("a string" == true) in PHP
var_dump(in_array(false, $arr)); //false
?>