Le TextHelper contient des méthodes pour rendre le texte plus utilisable et convivial dans votre point de vue. Il aide à activer les liens, la mise en forme des URL, de créer des extraits de texte autour choisi des mots ou des phrases, en soulignant les mots clés dans des blocs de texte, et de tronquer gracieusement de longues étendues de texte.
autoLinkEmails(string $text, array $htmlOptions=array())
Adds links to the well-formed email addresses in $text, according to any
options defined in $htmlOptions
(see
HtmlHelper::link()).
$my_text = 'For more information regarding our world-famous pastries and desserts, contact [email protected]';
$linked_text = $this->Text->autoLinkEmails($my_text);
Output:
For more information regarding our world-famous pastries and desserts,
contact <a href="mailto:[email protected]">info@example.com</a>
autoLinkUrls(string $text, array $htmlOptions=array())
Same as in autoLinkEmails()
, only this method searches for strings
that start with https, http, ftp, or nntp and links them appropriately.
autoLink(string $text, array $htmlOptions=array())
Performs the functionality in both autoLinkUrls()
and
autoLinkEmails()
on the supplied $text
. All URLs and emails are
linked appropriately given the supplied $htmlOptions
.
excerpt(string $haystack, string $needle, int $radius=100, string $ending="...")
Extracts an excerpt from $haystack
surrounding the $needle
with
a number of characters on each side determined by $radius
, and
suffixed with $ending
. This method is especially handy for search
results. The query string or keywords can be shown within the resulting
document.
echo $this->Text->excerpt($last_paragraph, 'method', 50);
Output:
mined by $radius, and suffixed with $ending. This method is especially handy for
search results. The query...
highlight(string $haystack, string $needle, array $options = array() )
Highlights $needle
in $haystack
using the $options['format']
string specified or a default string.
Options
“format” - string The piece of html with that the phrase will be highlighted
“html” - bool If true, will ignore any HTML tags, ensuring that only the correct text is highlighted
echo $this->Text->highlight($last_sentence, 'using',array('format'=>'<span class="highlight">\1</span>');
Output:
Highlights $needle in $haystack <span class="highlight">using</span>
the $options['format'] string specified or a default string.
stripLinks($text)
Strips the supplied $text
of any HTML links.
toList(array $list, $and='and', $separator=', ')
Creates a comma-separated list where the last two items are joined with ‘and’.
echo $this->Text->toList($colors);
Output:
red, orange, yellow, green, blue, indigo and violet
truncate(string $text, int $length=100, array $options)
Cuts a string to the $length
and adds a suffix with 'ending'
if
the text is longer than $length
. If 'exact'
is passed as
false
, the truncation will occur after the next word ending. If
'html'
is passed as true
, html tags will be respected and will
not be cut off.
$options
is used to pass all extra parameters, and has the following
possible keys by default, all of which are optional:
array(
'ending' => '...',
'exact' => true,
'html' => false
)
echo $this->Text->truncate(
'The killer crept forward and tripped on the rug.',
22,
array(
'ending' => '...',
'exact' => false
)
);
Output:
The killer crept...
trim()
An alias for truncate.