translate_smiley() – Converts one smiley code to the icon graphic file equivalent.
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Description
Converts one smiley code to the icon graphic file equivalent.
Callback handler for convert_smilies().
Looks up one smiley code in the $wpsmiliestrans global array and returns an <img> string for that smiley.
Usage
$string = translate_smiley( $matches );
Parameters
- $matches
- ( array ) required – Single match. Smiley code to convert to image.
Returns
string Image string for smiley.
Source
File name: wordpress/wp-includes/formatting.php
Lines:
1 to 35 of 35
function translate_smiley( $matches ) { global $wpsmiliestrans; if ( count( $matches ) === 0 ) { return ''; } $smiley = trim( reset( $matches ) ); $img = $wpsmiliestrans[ $smiley ]; $matches = array(); $ext = preg_match( '/\.([^.]+)$/', $img, $matches ) ? strtolower( $matches[1] ) : false; $image_exts = array( 'jpg', 'jpeg', 'jpe', 'gif', 'png', 'webp' ); // Don't convert smilies that aren't images - they're probably emoji. if ( ! in_array( $ext, $image_exts, true ) ) { return $img; } /** * Filters the Smiley image URL before it's used in the image element. * * @since 2.9.0 * * @param string $smiley_url URL for the smiley image. * @param string $img Filename for the smiley image. * @param string $site_url Site URL, as returned by site_url(). */ $src_url = apply_filters( 'smilies_src', includes_url( "images/smilies/$img" ), $img, site_url() ); return sprintf( '<img src="%s" alt="%s" class="wp-smiley" style="height: 1em; max-height: 1em;" />', esc_url( $src_url ), esc_attr( $smiley ) ); }