37 lines
982 B
PHP
37 lines
982 B
PHP
<?php
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function jetpack_require_lib( $slug ) {
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if ( !preg_match( '|^[a-z0-9/_.-]+$|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( $slug );
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if ( defined( 'ABSPATH' ) && ! defined( 'WP_CONTENT_DIR' ) ) {
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define( 'WP_CONTENT_DIR', ABSPATH . 'wp-content' ); // no trailing slash, full paths only - WP_CONTENT_URL is defined further down
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}
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$lib_dir = WP_CONTENT_DIR . '/lib';
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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 str $lib_dir Path to the library directory.
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*/
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$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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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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