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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 |
---|---|
287 | if ( $this->do_concat ) { |
288 | /** |
289 | * Filters the script loader source. |
290 | * |
291 | * @since 2.2.0 |
292 | * |
293 | * @param string $src Script loader source path. |
294 | * @param string $handle Script handle. |
295 | */ |
296 | $srce = apply_filters( 'script_loader_src', $src, $handle ); |
297 |
|
298 | if ( $this->in_default_dir( $srce ) && ( $before_handle || $after_handle ) ) { |
299 | $this->do_concat = false; |
300 |
|
301 | // Have to print the so-far concatenated scripts right away to maintain the right order. |
302 | _print_scripts(); |
303 | $this->reset(); |
304 | } elseif ( $this->in_default_dir( $srce ) && ! $conditional ) { |
305 | $this->print_code .= $this->print_extra_script( $handle, false ); |
Line | Code |
331 |
|
332 | if ( ! preg_match( '|^(https?:)?//|', $src ) && ! ( $this->content_url && 0 === strpos( $src, $this->content_url ) ) ) { |
333 | $src = $this->base_url . $src; |
334 | } |
335 |
|
336 | if ( ! empty( $ver ) ) |
337 | $src = add_query_arg( 'ver', $ver, $src ); |
338 |
|
339 | /** This filter is documented in wp-includes/class.wp-scripts.php */ |
340 | $src = esc_url( apply_filters( 'script_loader_src', $src, $handle ) ); |
341 |
|
342 | if ( ! $src ) |
343 | return true; |
344 |
|
345 | $tag = "{$cond_before}{$before_handle}<script type='text/javascript' src='$src'></script>\n{$after_handle}{$cond_after}"; |
346 |
|
347 | /** |
348 | * Filters the HTML script tag of an enqueued script. |
349 | * |