Home  >  Article  >  Backend Development  >  PHP递归调用数组值并用其执行指定函数的方法,递归数组_PHP教程

PHP递归调用数组值并用其执行指定函数的方法,递归数组_PHP教程

WBOY
WBOYOriginal
2016-07-13 09:58:34895browse

PHP递归调用数组值并用其执行指定函数的方法,递归数组

本文实例讲述了PHP递归调用数组值并用其执行指定函数的方法。分享给大家供大家参考。具体分析如下:

以下为wordpress原代码,为了偷懒,简单修改一下以适用其它函数

/**
* Navigates through an array and removes slashes from the values.
*
* If an array is passed, the array_map() function causes a callback to pass the
* value back to the function. The slashes from this value will removed.
*
* @since 2.0.0
*
* @param mixed $value The value to be stripped.
* @return mixed Stripped value.
*/
function stripslashes_deep($value) {
 if ( is_array($value) ) {
  $value = array_map('stripslashes_deep', $value);
 } elseif ( is_object($value) ) {
  $vars = get_object_vars( $value );
  foreach ($vars as $key=>$data) {
   $value->{$key} = stripslashes_deep( $data );
  }
 } elseif ( is_string( $value ) ) {
  $value = stripslashes($value);
 }
 return $value;
}

代码如下:

<&#63;php 
function function_deep($function,$value) {
  try {
    if(!function_exists($function)){
      $error = '"'.$function.'" is undefined';
      throw new Exception($error);
    }
  } catch (Exception $e) {
    echo 'Caught exception: ', $e->getMessage(), "\n";
    die();
  }
  if ( is_array($value) ) {
    $fun = Array();
    for($i=1;$i<=count($value);$i++){
      $fun[] = $function; 
    }
    $value = array_map("function_deep",$fun, $value);
  } elseif ( is_object($value) ) {
    $vars = get_object_vars( $value );
    foreach ($vars as $key=>$data) {
      $value->{$key} = function_deep($function,$data );
    }
  } elseif ( is_string( $value ) ) {
    $value = call_user_func($function,$value);
  }
  return $value;
}
$arr = array(
    "I'm bean",
    "I'm bean",
    array("I'm bean","I'm bean")
    );
var_dump(function_deep("addslashes",$arr));
// 输出结果
// array (size=3)
//  0 => string 'I\'m bean' (length=9)
//  1 => string 'I\'m bean' (length=9)
//  2 => 
//   array (size=2)
//    0 => string 'I\'m bean' (length=9)
//    1 => string 'I\'m bean' (length=9) 
&#63;>

希望本文所述对大家的php程序设计有所帮助。

www.bkjia.comtruehttp://www.bkjia.com/PHPjc/977789.htmlTechArticlePHP递归调用数组值并用其执行指定函数的方法,递归数组 本文实例讲述了PHP递归调用数组值并用其执行指定函数的方法。分享给大家供大家...
Statement:
The content of this article is voluntarily contributed by netizens, and the copyright belongs to the original author. This site does not assume corresponding legal responsibility. If you find any content suspected of plagiarism or infringement, please contact admin@php.cn