for
* entries with a boolean value, and that are true.
*/
$attributes = apply_filters( 'wp_script_attributes', $attributes );
return sprintf( "\n", wp_sanitize_script_attributes( $attributes ) );
}
/**
* Prints formatted `
*
* In an HTML document this would print "…" to the console,
* but in an XHTML document it would print "…" to the console.
*
*
*
* In an HTML document this would print "An image is in HTML",
* but it's an invalid XHTML document because it interprets the ``
* as an empty tag missing its closing `/`.
*
* @see https://www.w3.org/TR/xhtml1/#h-4.8
*/
if ( ! $is_html5 ) {
/*
* If the string `]]>` exists within the JavaScript it would break
* out of any wrapping CDATA section added here, so to start, it's
* necessary to escape that sequence which requires splitting the
* content into two CDATA sections wherever it's found.
*
* Note: it's only necessary to escape the closing `]]>` because
* an additional `', ']]]]>', $javascript );
// Wrap the entire escaped script inside a CDATA section.
$javascript = sprintf( "/* */", $javascript );
}
$javascript = "\n" . trim( $javascript, "\n\r " ) . "\n";
/**
* Filters attributes to be added to a script tag.
*
* @since 5.7.0
*
* @param array $attributes Key-value pairs representing `\n", wp_sanitize_script_attributes( $attributes ), $javascript );
}
/**
* Prints inline JavaScript wrapped in `" from
* around an inline script after trimming whitespace. Typlically this
* is used in conjunction with output buffering, where `ob_get_clean()`
* is passed as the `$contents` argument.
*
* Example:
*
* // Strips exact literal empty SCRIPT tags.
* $js = ';
* 'sayHello();' === wp_remove_surrounding_empty_script_tags( $js );
*
* // Otherwise if anything is different it warns in the JS console.
* $js = '';
* 'console.error( ... )' === wp_remove_surrounding_empty_script_tags( $js );
*
* @private
* @since 6.4.0
*
* @see wp_print_inline_script_tag()
* @see wp_get_inline_script_tag()
*
* @param string $contents Script body with manually created SCRIPT tag literals.
* @return string Script body without surrounding script tag literals, or
* original contents if both exact literals aren't present.
*/
function wp_remove_surrounding_empty_script_tags( $contents ) {
$contents = trim( $contents );
$opener = '';
if (
strlen( $contents ) > strlen( $opener ) + strlen( $closer ) &&
strtoupper( substr( $contents, 0, strlen( $opener ) ) ) === $opener &&
strtoupper( substr( $contents, -strlen( $closer ) ) ) === $closer
) {
return substr( $contents, strlen( $opener ), -strlen( $closer ) );
} else {
$error_message = __( 'Expected string to start with script tag (without attributes) and end with script tag, with optional whitespace.' );
_doing_it_wrong( __FUNCTION__, $error_message, '6.4' );
return sprintf( 'console.error(%s)', wp_json_encode( __( 'Function wp_remove_surrounding_empty_script_tags() used incorrectly in PHP.' ) . ' ' . $error_message ) );
}
}