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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 |
---|---|
310 | if ( $this->do_concat ) { |
311 | /** |
312 | * Filters the script loader source. |
313 | * |
314 | * @since 2.2.0 |
315 | * |
316 | * @param string $src Script loader source path. |
317 | * @param string $handle Script handle. |
318 | */ |
319 | $srce = apply_filters( 'script_loader_src', $src, $handle ); |
320 |
|
321 | if ( $this->in_default_dir( $srce ) && ( $before_handle || $after_handle ) ) { |
322 | $this->do_concat = false; |
323 |
|
324 | // Have to print the so-far concatenated scripts right away to maintain the right order. |
325 | _print_scripts(); |
326 | $this->reset(); |
327 | } elseif ( $this->in_default_dir( $srce ) && ! $conditional ) { |
328 | $this->print_code .= $this->print_extra_script( $handle, false ); |
Line | Code |
368 | if ( ! preg_match( '|^(https?:)?//|', $src ) && ! ( $this->content_url && 0 === strpos( $src, $this->content_url ) ) ) { |
369 | $src = $this->base_url . $src; |
370 | } |
371 |
|
372 | if ( ! empty( $ver ) ) { |
373 | $src = add_query_arg( 'ver', $ver, $src ); |
374 | } |
375 |
|
376 | /** This filter is documented in wp-includes/class.wp-scripts.php */ |
377 | $src = esc_url( apply_filters( 'script_loader_src', $src, $handle ) ); |
378 |
|
379 | if ( ! $src ) { |
380 | return true; |
381 | } |
382 |
|
383 | $tag = $translations . $cond_before . $before_handle; |
384 | $tag .= sprintf( "<script%s src='%s'></script>\n", $this->type_attr, $src ); |
385 | $tag .= $after_handle . $cond_after; |
386 |
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