WordPress: From Antispambot to Zeroize

antispambot()
...
zeroize()

Yoav Farhi
Developer
blog.yoavfarhi.com
@yoavf

//antispambot()

/**
* Converts email addresses characters to HTML entities
* to block spam bots.
*
* @return string Converted email address.
*/
function antispambot($emailaddy, $mailto=0)
?>

Email me at:
<?php echo antispambot('yoav@farhi.org'); ?>

Email me at:
yoav@farhi.org

//checked(), selected(), disabled()

/**
* Outputs the html checked attribute.
*
* Compares the first two arguments and if identical
* marks as checked
*
* @return string html attribute or empty string
*/
function checked( $checked, $current = true, $echo = true )

?>

<input type='checkbox' name='postlink' value='1' <?php if
( 1 == $postlink ) echo 'checked="checked"'; ?> />

<input type="checkbox" name="postlink" value="1" <?php
checked( $postlink, 1 ); ?> />

//human_time_diff()

/**
* Determines the difference between two timestamps.
*
* The difference is returned in a human readable
* format such as "1 hour", * "5 mins", "2 days".
* @return string Human readable time difference.
*/
function human_time_diff( $from, $to )
?>

<?php echo human_time_diff(get_comment_time('U')).' ago';?>

//2 days ago

//wp_list_pluck()

/**
* Pluck a certain field out of each object in a list.
* @return array
*/
function wp_list_pluck( $list, $field );

$foods = array(
! array(
! ! 'name' => 'Banana',
! ! 'color' => 'Yellow',
! ),
! array(
! ! 'name' => 'Apple',
! ! 'color' => 'Red',
! ),
);

$foods_names = wp_list_pluck( $foods, 'name' );
//$foods_names = array( 'Banana','Apple' );

$color_names = wp_list_pluck( $foods, 'color' );
//$color_names = array( 'Yellow','Red' );

//wp_localize_script()

//wordcamp.js

jQuery(document).ready(function($){
alert('Welcome to WordCamp Jerusalem 2013');
});
});


/**
* Used to localizes a script.
*
* @return bool Whether the localization was
* added successfully.
*/
function wp_localize_script( $handle, $object_name, $l10n );
?>

<?php
wp_enqueue_script( 'wordcamp-jeruslaem', 'wordcamp.js' );
$translation_array = array(
'welcome' => __( 'Welcome to WordCamp Jerusalem 2013' )
);
wp_localize_script( 'wordcamp-jeruslaem', 'wc_strings',
$translation_array );
?>

<script>
var wc_strings = {
welcome: '2013 ‫,'ברוכים הבאים לוורדקמפ ירושלים‬
};
</script>


// WordCamp.js

jQuery(document).ready(function($){
alert( wc_strings.welcome );
});
});

Let’s get to work

cc-by galato901
http://yoav.fr/towork

//wp_kses()

/**
* Filters content and keeps only allowable HTML elements.
*
* @return string Filtered content with only
* allowed HTML elements
*/

function wp_kses($string, $allowed_html, $allowed_protocols);

$tags = array(
'em' => array(),
'strong' => array()
);

$html = <<<EOT
<p>
! <b>BOLD</b> is different than <em>italics</em>
</p>
EOT;

echo wp_kses( $html, $tags );
//BOLD is different than <em>italics</em>

//wp_mail()

/**
* Send mail, similar to PHP's mail
*
* @return bool Whether the email contents were sent
* successfully.
*/

function wp_mail( $to, $subject, $message, $headers =
'', $attachments = array() );

$to = 'yoav@farhi.org';
$subject = 'I love WordPres';
$message = 'WordPress is The Awesome!!!1';

$mail = wp_mail( $to, $subject, $message );

if( $mail )
! echo 'Mail sent';

//wp_remote_get()

/**
* Retrieve the raw response from the HTTP
* request using the GET method.
*
* @return WP_Error|array The response or
* WP_Error on failure.
*/
function wp_remote_get( $url, $args = array() );

$url = 'http://nominatim.openstreetmap.org/search?
q=Netanya&format=json';

$response = wp_remote_get( $url );

if ( ! is_wp_error( $response ) )
! //Do something

//wp_trim_words()

/**
* Trims text to a certain number of words.
*
* @return string Trimmed text.
*/

function wp_trim_words( $text, $num_words = 55, $more = null );

$text = "I love WordPress and Joomla";
echo wp_trim_words( $text, 3 );

// I Love WordPress

//zeroise()

/**
* Add leading zeros when necessary.
*
* @return string Adds leading zeros to number if needed.
*/
function zeroise($number, $threshold);

$comno = get_comments_number();
// $comno = '2'
$zeroed = zeroise($comno, 2);
// $zeroed = '02'

cc by-nc-nd anarosaphotography
http://yoav.fr/happy

Happy

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WordPress: From Antispambot to Zeroize

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