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<?php |
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2
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3
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function require_lib_from_dir( $slug, $lib_dir ) { |
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if ( !preg_match( '|^[a-z0-9/_.-]+$|i', $slug ) ) { |
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trigger_error( "Cannot load a library with invalid slug $slug.", E_USER_ERROR ); |
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return; |
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} |
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$basename = basename( $slug ); |
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/** |
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* Filter the location of the library directory. |
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* |
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* @since 2.5.0 |
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* |
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* @param string $lib_dir Path to the library directory. |
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*/ |
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$lib_dir = apply_filters( 'jetpack_require_lib_dir', $lib_dir ); |
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$choices = array( |
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"$lib_dir/$slug.php", |
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"$lib_dir/$slug/0-load.php", |
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"$lib_dir/$slug/$basename.php", |
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); |
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if ( defined( 'JETPACK__PLUGIN_DIR' ) ) { |
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$choices[] = JETPACK__PLUGIN_DIR . '/_inc/lib'; |
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} |
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foreach( $choices as $file_name ) { |
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if ( is_readable( $file_name ) ) { |
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require_once $file_name; |
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return; |
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} |
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} |
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trigger_error( "Cannot find a library with slug $slug.", E_USER_ERROR ); |
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} |
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function jetpack_require_lib( $slug ) { |
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if ( defined( 'ABSPATH' ) && ! defined( 'WP_CONTENT_DIR' ) ) { |
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define( 'WP_CONTENT_DIR', ABSPATH . 'wp-content' ); // no trailing slash, full paths only - WP_CONTENT_URL is defined further down |
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} |
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require_lib_from_dir( $slug, WP_CONTENT_DIR . '/lib' ); |
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} |
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// Function check so we're able to sync it back to Jetpack, since it seems like a very common function name. |
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if ( ! function_exists( 'require_lib' ) ) { |
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function require_lib( $slug ) { |
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return jetpack_require_lib( $slug ); |
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} |
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} |
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Automattic /
jetpack
