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The best way to understand what a hook does is to look at where it occurs in the source code.
do_action( "hook_name" )
apply_filters( "hook_name", "what_to_filter" )
.Remember, this hook may occur in more than one file. Moreover, the hook's context may change from version to version.
This hook occurs 2 times in this file.
Line | Code |
---|---|
59 | if ( isset($obj->args) ) |
60 | $media = esc_attr( $obj->args ); |
61 | else |
62 | $media = 'all'; |
63 |
|
64 | $href = $this->_css_href( $obj->src, $ver, $handle ); |
65 | $rel = isset($obj->extra['alt']) && $obj->extra['alt'] ? 'alternate stylesheet' : 'stylesheet'; |
66 | $title = isset($obj->extra['title']) ? "title='" . esc_attr( $obj->extra['title'] ) . "'" : ''; |
67 |
|
68 | $tag = apply_filters( 'style_loader_tag', "<link rel='$rel' id='$handle-css' $title href='$href' type='text/css' media='$media' />\n", $handle ); |
69 | if ( 'rtl' === $this->text_direction && isset($obj->extra['rtl']) && $obj->extra['rtl'] ) { |
70 | if ( is_bool( $obj->extra['rtl'] ) || 'replace' === $obj->extra['rtl'] ) { |
71 | $suffix = isset( $obj->extra['suffix'] ) ? $obj->extra['suffix'] : ''; |
72 | $rtl_href = str_replace( "{$suffix}.css", "-rtl{$suffix}.css", $this->_css_href( $obj->src , $ver, "$handle-rtl" )); |
73 | } else { |
74 | $rtl_href = $this->_css_href( $obj->extra['rtl'], $ver, "$handle-rtl" ); |
75 | } |
76 |
|
77 | $rtl_tag = apply_filters( 'style_loader_tag', "<link rel='$rel' id='$handle-rtl-css' $title href='$rtl_href' type='text/css' media='$media' />\n", $handle ); |
78 |
|
79 | if ( $obj->extra['rtl'] === 'replace' ) { |
80 | $tag = $rtl_tag; |
81 | } else { |
82 | $tag .= $rtl_tag; |
83 | } |
84 | } |
85 |
|
86 | if ( isset($obj->extra['conditional']) && $obj->extra['conditional'] ) { |