note 99921 deleted from function.call-user-func-array by cmb
| From: | cmb@php.net | Date: | Sun, 30 Aug 2015 18:02:27 +0000 |
| Subject: | note 99921 deleted from function.call-user-func-array by cmb | ||
| References: | 1 | Groups: | php.notes |
| Request: | Send a blank email to php-notes+get-203511@lists.php.net to get a copy of this message | ||
Note Submitter: hinom06 [at] hotmail.co.jp
----
<?php
/*
Usage sample to apply any filter in a string.
*/
class Strings
{
function Foo( $v, $allow = '' )
{
return strip_tags( $v, $allow );
}
// add an element at the beginning of an array
// thanks for Vidal RodrÃguez
// http://www.php.net/manual/en/function.array-push.php#98299
function ArrayRpush( $arr, $item )
{
return array_pad( $arr, -( count( $arr ) + 1 ), $item );
}
}
Class Functions
{
function Call( $f )
{
return call_user_func_array( $f[0], $f[1] );
/* usage sample:
//
// calling function
Functions::Call( 'strip_tags', array(
'<br>foo<br>bar</b>', '<br><b>' ) );
// calling object
Functions::Call( array( 'Strings', 'StripTags' ), array(
'<br>foo<br>bar</b>', '<br><b>' ) );
*/
}
}
$form = array(
'field' => array(
'value' => '<b>foo
bar</b><br><script>alert("1");</script>',
'pre-filter' => array( array( 'Strings',
'Foo' ) , array( '<b><br>' ) ),
),
);
$v = $form['field'];
$f = $v['pre-filter'];
$f[1] = isset( $v['pre-filter'][1] ) ? Strings::ArrayRpush( $f[1], $v['value'] )
: $f[1] = array( $v['value'] );
echo Functions::Call( $f );
?>