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Edit File : class-wp-styles.php \| Size : 10.75 KB
<?php /** * Dependencies API: WP_Styles class * * @since 2.6.0 * * @package WordPress * @subpackage Dependencies / /* * Core class used to register styles. * * @since 2.6.0 * * @see WP_Dependencies / class WP_Styles extends WP_Dependencies { /* * Base URL for styles. * * Full URL with trailing slash. * * @since 2.6.0 * @var string / public $base_url; /* * URL of the content directory. * * @since 2.8.0 * @var string / public $content_url; /* * Default version string for stylesheets. * * @since 2.6.0 * @var string / public $default_version; /* * The current text direction. * * @since 2.6.0 * @var string / public $text_direction = 'ltr'; /* * Holds a list of style handles which will be concatenated. * * @since 2.8.0 * @var string / public $concat = ''; /* * Holds a string which contains style handles and their version. * * @since 2.8.0 * @deprecated 3.4.0 * @var string / public $concat_version = ''; /* * Whether to perform concatenation. * * @since 2.8.0 * @var bool / public $do_concat = false; /* * Holds HTML markup of styles and additional data if concatenation * is enabled. * * @since 2.8.0 * @var string / public $print_html = ''; /* * Holds inline styles if concatenation is enabled. * * @since 3.3.0 * @var string / public $print_code = ''; /* * List of default directories. * * @since 2.8.0 * @var array / public $default_dirs; /* * Holds a string which contains the type attribute for style tag. * * If the active theme does not declare HTML5 support for 'style', * then it initializes as `type='text/css'`. * * @since 5.3.0 * @var string / private $type_attr = ''; /* * Constructor. * * @since 2.6.0 / public function __construct() { if ( function_exists( 'is_admin' ) && ! is_admin() && function_exists( 'current_theme_supports' ) && ! current_theme_supports( 'html5', 'style' ) ) { $this->type_attr = " type='text/css'"; } /* * Fires when the WP_Styles instance is initialized. * * @since 2.6.0 * * @param WP_Styles $wp_styles WP_Styles instance (passed by reference). / do_action_ref_array( 'wp_default_styles', array( &$this ) ); } /* * Processes a style dependency. * * @since 2.6.0 * @since 5.5.0 Added the `$group` parameter. * * @see WP_Dependencies::do_item() * * @param string $handle The style's registered handle. * @param int\|false $group Optional. Group level: level (int), no groups (false). * Default false. * @return bool True on success, false on failure. / public function do_item( $handle, $group = false ) { if ( ! parent::do_item( $handle ) ) { return false; } $obj = $this->registered[ $handle ]; if ( null === $obj->ver ) { $ver = ''; } else { $ver = $obj->ver ? $obj->ver : $this->default_version; } if ( isset( $this->args[ $handle ] ) ) { $ver = $ver ? $ver . '&' . $this->args[ $handle ] : $this->args[ $handle ]; } $src = $obj->src; $ie_conditional_prefix = ''; $ie_conditional_suffix = ''; $conditional = isset( $obj->extra['conditional'] ) ? $obj->extra['conditional'] : ''; if ( $conditional ) { $ie_conditional_prefix = "<!--[if {$conditional}]>\n"; $ie_conditional_suffix = "<![endif]-->\n"; } $inline_style = $this->print_inline_style( $handle, false ); if ( $inline_style ) { $inline_style_tag = sprintf( "<style id='%s-inline-css'%s>\n%s\n</style>\n", esc_attr( $handle ), $this->type_attr, $inline_style ); } else { $inline_style_tag = ''; } if ( $this->do_concat ) { if ( $this->in_default_dir( $src ) && ! $conditional && ! isset( $obj->extra['alt'] ) ) { $this->concat .= "$handle,"; $this->concat_version .= "$handle$ver"; $this->print_code .= $inline_style; return true; } } if ( isset( $obj->args ) ) { $media = esc_attr( $obj->args ); } else { $media = 'all'; } // A single item may alias a set of items, by having dependencies, but no source. if ( ! $src ) { if ( $inline_style_tag ) { if ( $this->do_concat ) { $this->print_html .= $inline_style_tag; } else { echo $inline_style_tag; } } return true; } $href = $this->_css_href( $src, $ver, $handle ); if ( ! $href ) { return true; } $rel = isset( $obj->extra['alt'] ) && $obj->extra['alt'] ? 'alternate stylesheet' : 'stylesheet'; $title = isset( $obj->extra['title'] ) ? sprintf( " title='%s'", esc_attr( $obj->extra['title'] ) ) : ''; $tag = sprintf( "<link rel='%s' id='%s-css'%s href='%s'%s media='%s' />\n", $rel, $handle, $title, $href, $this->type_attr, $media ); /* * Filters the HTML link tag of an enqueued style. * * @since 2.6.0 * @since 4.3.0 Introduced the `$href` parameter. * @since 4.5.0 Introduced the `$media` parameter. * * @param string $tag The link tag for the enqueued style. * @param string $handle The style's registered handle. * @param string $href The stylesheet's source URL. * @param string $media The stylesheet's media attribute. / $tag = apply_filters( 'style_loader_tag', $tag, $handle, $href, $media ); if ( 'rtl' === $this->text_direction && isset( $obj->extra['rtl'] ) && $obj->extra['rtl'] ) { if ( is_bool( $obj->extra['rtl'] ) \|\| 'replace' === $obj->extra['rtl'] ) { $suffix = isset( $obj->extra['suffix'] ) ? $obj->extra['suffix'] : ''; $rtl_href = str_replace( "{$suffix}.css", "-rtl{$suffix}.css", $this->_css_href( $src, $ver, "$handle-rtl" ) ); } else { $rtl_href = $this->_css_href( $obj->extra['rtl'], $ver, "$handle-rtl" ); } $rtl_tag = sprintf( "<link rel='%s' id='%s-rtl-css'%s href='%s'%s media='%s' />\n", $rel, $handle, $title, $rtl_href, $this->type_attr, $media ); /* This filter is documented in wp-includes/class-wp-styles.php / $rtl_tag = apply_filters( 'style_loader_tag', $rtl_tag, $handle, $rtl_href, $media ); if ( 'replace' === $obj->extra['rtl'] ) { $tag = $rtl_tag; } else { $tag .= $rtl_tag; } } if ( $this->do_concat ) { $this->print_html .= $ie_conditional_prefix; $this->print_html .= $tag; if ( $inline_style_tag ) { $this->print_html .= $inline_style_tag; } $this->print_html .= $ie_conditional_suffix; } else { echo $ie_conditional_prefix; echo $tag; $this->print_inline_style( $handle ); echo $ie_conditional_suffix; } return true; } /* * Adds extra CSS styles to a registered stylesheet. * * @since 3.3.0 * * @param string $handle The style's registered handle. * @param string $code String containing the CSS styles to be added. * @return bool True on success, false on failure. / public function add_inline_style( $handle, $code ) { if ( ! $code ) { return false; } $after = $this->get_data( $handle, 'after' ); if ( ! $after ) { $after = array(); } $after[] = $code; return $this->add_data( $handle, 'after', $after ); } /* * Prints extra CSS styles of a registered stylesheet. * * @since 3.3.0 * * @param string $handle The style's registered handle. * @param bool $display Optional. Whether to print the inline style * instead of just returning it. Default true. * @return string\|bool False if no data exists, inline styles if `$display` is true, * true otherwise. / public function print_inline_style( $handle, $display = true ) { $output = $this->get_data( $handle, 'after' ); if ( empty( $output ) ) { return false; } $output = implode( "\n", $output ); if ( ! $display ) { return $output; } printf( "<style id='%s-inline-css'%s>\n%s\n</style>\n", esc_attr( $handle ), $this->type_attr, $output ); return true; } /* * Determines style dependencies. * * @since 2.6.0 * * @see WP_Dependencies::all_deps() * * @param string\|string[] $handles Item handle (string) or item handles (array of strings). * @param bool $recursion Optional. Internal flag that function is calling itself. * Default false. * @param int\|false $group Optional. Group level: level (int), no groups (false). * Default false. * @return bool True on success, false on failure. / public function all_deps( $handles, $recursion = false, $group = false ) { $result = parent::all_deps( $handles, $recursion, $group ); if ( ! $recursion ) { /* * Filters the array of enqueued styles before processing for output. * * @since 2.6.0 * * @param string[] $to_do The list of enqueued style handles about to be processed. / $this->to_do = apply_filters( 'print_styles_array', $this->to_do ); } return $result; } /* * Generates an enqueued style's fully-qualified URL. * * @since 2.6.0 * * @param string $src The source of the enqueued style. * @param string $ver The version of the enqueued style. * @param string $handle The style's registered handle. * @return string Style's fully-qualified URL. / public function _css_href( $src, $ver, $handle ) { if ( ! is_bool( $src ) && ! preg_match( '\|^(https?:)?//\|', $src ) && ! ( $this->content_url && str_starts_with( $src, $this->content_url ) ) ) { $src = $this->base_url . $src; } if ( ! empty( $ver ) ) { $src = add_query_arg( 'ver', $ver, $src ); } /* * Filters an enqueued style's fully-qualified URL. * * @since 2.6.0 * * @param string $src The source URL of the enqueued style. * @param string $handle The style's registered handle. / $src = apply_filters( 'style_loader_src', $src, $handle ); return esc_url( $src ); } /* * Whether a handle's source is in a default directory. * * @since 2.8.0 * * @param string $src The source of the enqueued style. * @return bool True if found, false if not. / public function in_default_dir( $src ) { if ( ! $this->default_dirs ) { return true; } foreach ( (array) $this->default_dirs as $test ) { if ( str_starts_with( $src, $test ) ) { return true; } } return false; } /* * Processes items and dependencies for the footer group. * * HTML 5 allows styles in the body, grab late enqueued items and output them in the footer. * * @since 3.3.0 * * @see WP_Dependencies::do_items() * * @return string[] Handles of items that have been processed. / public function do_footer_items() { $this->do_items( false, 1 ); return $this->done; } /* * Resets class properties. * * @since 3.3.0 */ public function reset() { $this->do_concat = false; $this->concat = ''; $this->concat_version = ''; $this->print_html = ''; } } Back

Edit File : class-wp-styles.php | Size : 10.75 KB

<?php
/**
 * Dependencies API: WP_Styles class
 *
 * @since 2.6.0
 *
 * @package WordPress
 * @subpackage Dependencies
 */

/**
 * Core class used to register styles.
 *
 * @since 2.6.0
 *
 * @see WP_Dependencies
 */
class WP_Styles extends WP_Dependencies {
	/**
	 * Base URL for styles.
	 *
	 * Full URL with trailing slash.
	 *
	 * @since 2.6.0
	 * @var string
	 */
	public $base_url;

/**
	 * URL of the content directory.
	 *
	 * @since 2.8.0
	 * @var string
	 */
	public $content_url;

/**
	 * Default version string for stylesheets.
	 *
	 * @since 2.6.0
	 * @var string
	 */
	public $default_version;

/**
	 * The current text direction.
	 *
	 * @since 2.6.0
	 * @var string
	 */
	public $text_direction = 'ltr';

/**
	 * Holds a list of style handles which will be concatenated.
	 *
	 * @since 2.8.0
	 * @var string
	 */
	public $concat = '';

/**
	 * Holds a string which contains style handles and their version.
	 *
	 * @since 2.8.0
	 * @deprecated 3.4.0
	 * @var string
	 */
	public $concat_version = '';

/**
	 * Whether to perform concatenation.
	 *
	 * @since 2.8.0
	 * @var bool
	 */
	public $do_concat = false;

/**
	 * Holds HTML markup of styles and additional data if concatenation
	 * is enabled.
	 *
	 * @since 2.8.0
	 * @var string
	 */
	public $print_html = '';

/**
	 * Holds inline styles if concatenation is enabled.
	 *
	 * @since 3.3.0
	 * @var string
	 */
	public $print_code = '';

/**
	 * List of default directories.
	 *
	 * @since 2.8.0
	 * @var array
	 */
	public $default_dirs;

/**
	 * Holds a string which contains the type attribute for style tag.
	 *
	 * If the active theme does not declare HTML5 support for 'style',
	 * then it initializes as `type='text/css'`.
	 *
	 * @since 5.3.0
	 * @var string
	 */
	private $type_attr = '';

/**
	 * Constructor.
	 *
	 * @since 2.6.0
	 */
	public function __construct() {
		if (
			function_exists( 'is_admin' ) && ! is_admin()
		&&
			function_exists( 'current_theme_supports' ) && ! current_theme_supports( 'html5', 'style' )
		) {
			$this->type_attr = " type='text/css'";
		}

/**
		 * Fires when the WP_Styles instance is initialized.
		 *
		 * @since 2.6.0
		 *
		 * @param WP_Styles $wp_styles WP_Styles instance (passed by reference).
		 */
		do_action_ref_array( 'wp_default_styles', array( &$this ) );
	}

/**
	 * Processes a style dependency.
	 *
	 * @since 2.6.0
	 * @since 5.5.0 Added the `$group` parameter.
	 *
	 * @see WP_Dependencies::do_item()
	 *
	 * @param string    $handle The style's registered handle.
	 * @param int|false $group  Optional. Group level: level (int), no groups (false).
	 *                          Default false.
	 * @return bool True on success, false on failure.
	 */
	public function do_item( $handle, $group = false ) {
		if ( ! parent::do_item( $handle ) ) {
			return false;
		}

$obj = $this->registered[ $handle ];

if ( null === $obj->ver ) {
			$ver = '';
		} else {
			$ver = $obj->ver ? $obj->ver : $this->default_version;
		}

if ( isset( $this->args[ $handle ] ) ) {
			$ver = $ver ? $ver . '&amp;' . $this->args[ $handle ] : $this->args[ $handle ];
		}

$src                   = $obj->src;
		$ie_conditional_prefix = '';
		$ie_conditional_suffix = '';
		$conditional           = isset( $obj->extra['conditional'] ) ? $obj->extra['conditional'] : '';

if ( $conditional ) {
			$ie_conditional_prefix = "\n";
		}

$inline_style = $this->print_inline_style( $handle, false );

if ( $inline_style ) {
			$inline_style_tag = sprintf(
				"<style id='%s-inline-css'%s>\n%s\n</style>\n",
				esc_attr( $handle ),
				$this->type_attr,
				$inline_style
			);
		} else {
			$inline_style_tag = '';
		}

if ( $this->do_concat ) {
			if ( $this->in_default_dir( $src ) && ! $conditional && ! isset( $obj->extra['alt'] ) ) {
				$this->concat         .= "$handle,";
				$this->concat_version .= "$handle$ver";

$this->print_code .= $inline_style;

return true;
			}
		}

if ( isset( $obj->args ) ) {
			$media = esc_attr( $obj->args );
		} else {
			$media = 'all';
		}

// A single item may alias a set of items, by having dependencies, but no source.
		if ( ! $src ) {
			if ( $inline_style_tag ) {
				if ( $this->do_concat ) {
					$this->print_html .= $inline_style_tag;
				} else {
					echo $inline_style_tag;
				}
			}

return true;
		}

$href = $this->_css_href( $src, $ver, $handle );
		if ( ! $href ) {
			return true;
		}

$rel   = isset( $obj->extra['alt'] ) && $obj->extra['alt'] ? 'alternate stylesheet' : 'stylesheet';
		$title = isset( $obj->extra['title'] ) ? sprintf( " title='%s'", esc_attr( $obj->extra['title'] ) ) : '';

$tag = sprintf(
			"<link rel='%s' id='%s-css'%s href='%s'%s media='%s' />\n",
			$rel,
			$handle,
			$title,
			$href,
			$this->type_attr,
			$media
		);

/**
		 * Filters the HTML link tag of an enqueued style.
		 *
		 * @since 2.6.0
		 * @since 4.3.0 Introduced the `$href` parameter.
		 * @since 4.5.0 Introduced the `$media` parameter.
		 *
		 * @param string $tag    The link tag for the enqueued style.
		 * @param string $handle The style's registered handle.
		 * @param string $href   The stylesheet's source URL.
		 * @param string $media  The stylesheet's media attribute.
		 */
		$tag = apply_filters( 'style_loader_tag', $tag, $handle, $href, $media );

if ( 'rtl' === $this->text_direction && isset( $obj->extra['rtl'] ) && $obj->extra['rtl'] ) {
			if ( is_bool( $obj->extra['rtl'] ) || 'replace' === $obj->extra['rtl'] ) {
				$suffix   = isset( $obj->extra['suffix'] ) ? $obj->extra['suffix'] : '';
				$rtl_href = str_replace( "{$suffix}.css", "-rtl{$suffix}.css", $this->_css_href( $src, $ver, "$handle-rtl" ) );
			} else {
				$rtl_href = $this->_css_href( $obj->extra['rtl'], $ver, "$handle-rtl" );
			}

$rtl_tag = sprintf(
				"<link rel='%s' id='%s-rtl-css'%s href='%s'%s media='%s' />\n",
				$rel,
				$handle,
				$title,
				$rtl_href,
				$this->type_attr,
				$media
			);

/** This filter is documented in wp-includes/class-wp-styles.php */
			$rtl_tag = apply_filters( 'style_loader_tag', $rtl_tag, $handle, $rtl_href, $media );

if ( 'replace' === $obj->extra['rtl'] ) {
				$tag = $rtl_tag;
			} else {
				$tag .= $rtl_tag;
			}
		}

if ( $this->do_concat ) {
			$this->print_html .= $ie_conditional_prefix;
			$this->print_html .= $tag;
			if ( $inline_style_tag ) {
				$this->print_html .= $inline_style_tag;
			}
			$this->print_html .= $ie_conditional_suffix;
		} else {
			echo $ie_conditional_prefix;
			echo $tag;
			$this->print_inline_style( $handle );
			echo $ie_conditional_suffix;
		}

return true;
	}

/**
	 * Adds extra CSS styles to a registered stylesheet.
	 *
	 * @since 3.3.0
	 *
	 * @param string $handle The style's registered handle.
	 * @param string $code   String containing the CSS styles to be added.
	 * @return bool True on success, false on failure.
	 */
	public function add_inline_style( $handle, $code ) {
		if ( ! $code ) {
			return false;
		}

$after = $this->get_data( $handle, 'after' );
		if ( ! $after ) {
			$after = array();
		}

$after[] = $code;

return $this->add_data( $handle, 'after', $after );
	}

/**
	 * Prints extra CSS styles of a registered stylesheet.
	 *
	 * @since 3.3.0
	 *
	 * @param string $handle  The style's registered handle.
	 * @param bool   $display Optional. Whether to print the inline style
	 *                        instead of just returning it. Default true.
	 * @return string|bool False if no data exists, inline styles if `$display` is true,
	 *                     true otherwise.
	 */
	public function print_inline_style( $handle, $display = true ) {
		$output = $this->get_data( $handle, 'after' );

if ( empty( $output ) ) {
			return false;
		}

$output = implode( "\n", $output );

if ( ! $display ) {
			return $output;
		}

printf(
			"<style id='%s-inline-css'%s>\n%s\n</style>\n",
			esc_attr( $handle ),
			$this->type_attr,
			$output
		);

return true;
	}

/**
	 * Determines style dependencies.
	 *
	 * @since 2.6.0
	 *
	 * @see WP_Dependencies::all_deps()
	 *
	 * @param string|string[] $handles   Item handle (string) or item handles (array of strings).
	 * @param bool            $recursion Optional. Internal flag that function is calling itself.
	 *                                   Default false.
	 * @param int|false       $group     Optional. Group level: level (int), no groups (false).
	 *                                   Default false.
	 * @return bool True on success, false on failure.
	 */
	public function all_deps( $handles, $recursion = false, $group = false ) {
		$result = parent::all_deps( $handles, $recursion, $group );
		if ( ! $recursion ) {
			/**
			 * Filters the array of enqueued styles before processing for output.
			 *
			 * @since 2.6.0
			 *
			 * @param string[] $to_do The list of enqueued style handles about to be processed.
			 */
			$this->to_do = apply_filters( 'print_styles_array', $this->to_do );
		}
		return $result;
	}

/**
	 * Generates an enqueued style's fully-qualified URL.
	 *
	 * @since 2.6.0
	 *
	 * @param string $src    The source of the enqueued style.
	 * @param string $ver    The version of the enqueued style.
	 * @param string $handle The style's registered handle.
	 * @return string Style's fully-qualified URL.
	 */
	public function _css_href( $src, $ver, $handle ) {
		if ( ! is_bool( $src ) && ! preg_match( '|^(https?:)?//|', $src ) && ! ( $this->content_url && str_starts_with( $src, $this->content_url ) ) ) {
			$src = $this->base_url . $src;
		}

if ( ! empty( $ver ) ) {
			$src = add_query_arg( 'ver', $ver, $src );
		}

/**
		 * Filters an enqueued style's fully-qualified URL.
		 *
		 * @since 2.6.0
		 *
		 * @param string $src    The source URL of the enqueued style.
		 * @param string $handle The style's registered handle.
		 */
		$src = apply_filters( 'style_loader_src', $src, $handle );
		return esc_url( $src );
	}

/**
	 * Whether a handle's source is in a default directory.
	 *
	 * @since 2.8.0
	 *
	 * @param string $src The source of the enqueued style.
	 * @return bool True if found, false if not.
	 */
	public function in_default_dir( $src ) {
		if ( ! $this->default_dirs ) {
			return true;
		}

foreach ( (array) $this->default_dirs as $test ) {
			if ( str_starts_with( $src, $test ) ) {
				return true;
			}
		}
		return false;
	}

/**
	 * Processes items and dependencies for the footer group.
	 *
	 * HTML 5 allows styles in the body, grab late enqueued items and output them in the footer.
	 *
	 * @since 3.3.0
	 *
	 * @see WP_Dependencies::do_items()
	 *
	 * @return string[] Handles of items that have been processed.
	 */
	public function do_footer_items() {
		$this->do_items( false, 1 );
		return $this->done;
	}

/**
	 * Resets class properties.
	 *
	 * @since 3.3.0
	 */
	public function reset() {
		$this->do_concat      = false;
		$this->concat         = '';
		$this->concat_version = '';
		$this->print_html     = '';
	}
}

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