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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 |
---|---|
108 | if ( $this->do_concat ) { |
109 | /** |
110 | * Filter the script loader source. |
111 | * |
112 | * @since 2.2.0 |
113 | * |
114 | * @param string $src Script loader source path. |
115 | * @param string $handle Script handle. |
116 | */ |
117 | $srce = apply_filters( 'script_loader_src', $src, $handle ); |
118 | if ( $this->in_default_dir($srce) ) { |
119 | $this->print_code .= $this->print_extra_script( $handle, false ); |
120 | $this->concat .= "$handle,"; |
121 | $this->concat_version .= "$handle$ver"; |
122 | return true; |
123 | } else { |
124 | $this->ext_handles .= "$handle,"; |
125 | $this->ext_version .= "$handle$ver"; |
126 | } |
Line | Code |
129 | $this->print_extra_script( $handle ); |
130 | if ( !preg_match('|^(https?:)?//|', $src) && ! ( $this->content_url && 0 === strpos($src, $this->content_url) ) ) { |
131 | $src = $this->base_url . $src; |
132 | } |
133 |
|
134 | if ( !empty($ver) ) |
135 | $src = add_query_arg('ver', $ver, $src); |
136 |
|
137 | /** This filter is documented in wp-includes/class.wp-scripts.php */ |
138 | $src = esc_url( apply_filters( 'script_loader_src', $src, $handle ) ); |
139 |
|
140 | if ( ! $src ) |
141 | return true; |
142 |
|
143 | $tag = "<script type='text/javascript' src='$src'></script>\n"; |
144 |
|
145 | /** |
146 | * Filter the HTML script tag of an enqueued script. |
147 | * |