Applying Functions to Array Elements Using array_walk() : array_walk « Data Structure « PHP

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PHP » Data Structure » array_walk

Applying Functions to Array Elements Using array_walk()


 

<?php

  function array_display($array, $pre=FALSE)

  {

    $tag = $pre ? 'pre' : 'p';

    printf("<%s>%s</%s>\n", $tag, var_export($array, TRUE), $tag);

  }



  function modify(&$element)

  {

    $element *= 1.5;

  }



  $array = array(10, -3.5, 2, 7);

  array_display($array, TRUE);



  array_walk($array, 'modify');

  array_display($array, TRUE);

?>

Related examples in the same category

1.	Apply a user function to every member of an array.
2.	array_walk() function applies a function to several or all elements in an array.

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