(PHP 4, PHP 5, PHP 7)
each — 锟斤拷锟斤拷锟斤拷锟斤拷锟叫碉拷前锟侥硷拷锟斤拷值锟皆诧拷锟斤拷锟斤拷锟斤拷指锟斤拷锟斤拷前锟狡讹拷一锟斤拷
This function has been DEPRECATED as of PHP 7.2.0. Relying on this function is highly discouraged.
&$array
) : array锟斤拷锟斤拷锟斤拷锟斤拷锟叫碉拷前锟侥硷拷锟斤拷值锟皆诧拷锟斤拷锟斤拷锟斤拷指锟斤拷锟斤拷前锟狡讹拷一锟斤拷
锟斤拷执锟斤拷 each() 之锟斤拷锟斤拷锟斤拷指锟诫将停锟斤拷锟斤拷锟斤拷锟斤拷锟叫碉拷锟斤拷一锟斤拷锟斤拷元锟斤拷锟竭碉拷锟斤拷锟斤拷锟斤拷锟斤拷锟轿彩蓖ｏ拷锟斤拷锟斤拷锟斤拷一锟斤拷锟斤拷元锟斤拷锟斤拷锟揭拷锟斤拷锟� each 锟斤拷锟斤拷锟斤拷锟介，锟斤拷锟斤拷使锟斤拷 reset()锟斤拷
array锟斤拷锟斤拷锟斤拷锟斤拷椤�
锟斤拷锟斤拷 array 锟斤拷锟斤拷锟叫碉拷前指锟斤拷位锟矫的硷拷锟斤拷值锟皆诧拷锟斤拷前锟狡讹拷锟斤拷锟斤拷指锟诫。锟斤拷值锟皆憋拷锟斤拷锟斤拷为锟侥革拷锟斤拷元锟斤拷锟斤拷锟介，锟斤拷锟斤拷为0锟斤拷1锟斤拷key锟斤拷 value锟斤拷锟斤拷元 0 锟斤拷
key 锟斤拷锟斤拷锟斤拷锟斤拷锟介单元锟侥硷拷锟斤拷锟斤拷1 锟斤拷
value 锟斤拷锟斤拷锟斤拷锟斤拷锟捷★拷
锟斤拷锟斤拷诓锟街革拷锟皆斤拷锟斤拷锟斤拷锟斤拷锟斤拷末锟剿ｏ拷锟斤拷 each() 锟斤拷锟斤拷 FALSE锟斤拷
Example #1 each() 锟斤拷锟斤拷
<?php
$foo = array("bob", "fred", "jussi", "jouni", "egon", "marliese");
$bar = each($foo);
print_r($bar);
?>
$bar 锟斤拷锟节帮拷锟斤拷锟斤拷锟斤拷锟铰的硷拷锟斤拷值锟皆ｏ拷
Array
(
[1] => bob
[value] => bob
[0] => 0
[key] => 0
)
<?php
$foo = array("Robert" => "Bob", "Seppo" => "Sepi");
$bar = each($foo);
print_r($bar);
?>
$bar 锟斤拷锟节帮拷锟斤拷锟斤拷锟斤拷锟铰的硷拷锟斤拷值锟皆ｏ拷
Array
(
[1] => Bob
[value] => Bob
[0] => Robert
[key] => Robert
)
each() 锟斤拷锟斤拷锟斤拷 list() 锟斤拷锟绞癸拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷椋拷锟斤拷纾�
Example #2 锟斤拷 each() 锟斤拷锟斤拷锟斤拷锟斤拷
<?php
$fruit = array('a' => 'apple', 'b' => 'banana', 'c' => 'cranberry');
reset($fruit);
while (list($key, $val) = each($fruit)) {
echo "$key => $val\n";
}
?>
锟斤拷锟斤拷锟斤拷锟教伙拷锟斤拷锟斤拷锟�
a => apple b => banana c => cranberry
锟斤拷为锟斤拷一锟斤拷锟斤拷锟介赋值锟斤拷锟斤拷一锟斤拷锟斤拷锟斤拷时锟斤拷锟斤拷锟斤拷原锟斤拷锟斤拷锟斤拷锟斤拷指锟诫，锟斤拷锟斤拷锟斤拷媳叩锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷循锟斤拷锟节诧拷锟斤拷 $fruit 锟斤拷锟斤拷锟斤拷锟斤拷一锟斤拷锟斤拷锟斤拷锟侥伙拷锟斤拷锟结导锟斤拷锟斤拷锟斤拷循锟斤拷锟斤拷
each() will also accept objects, but may return unexpected results. Its therefore not recommended to iterate though object properties with each().