php数组遍历的方法有哪些

使用for循环遍历数组

$array = array("a", "b", "c", "d");$count = count($array);for($i = 0; $i < $count; $i++) {    echo $array[$i];}

使用foreach遍历数组

$array = array("a", "b", "c", "d");foreach($array as $value) {    echo $value;}

使用while循环遍历数组

$array = array("a", "b", "c", "d");$count = count($array);$i = 0;while($i < $count) {    echo $array[$i];    $i++;}

使用array_walk函数遍历数组

$array = array("a", "b", "c", "d");function printValue($value) {    echo $value;}array_walk($array, 'printValue');

使用array_map函数遍历数组

$array = array("a", "b", "c", "d");function printValue($value) {    echo $value;}array_map('printValue', $array);