Export Variable Products

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Detected usage of a possibly undefined superglobal array index: $_FILES["variation_file"]["name"]. Check that the array index exists before using it.

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Using date_default_timezone_set() and similar isn't allowed, instead use WP internal timezone support.

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Functions declared in the global namespace by a theme/plugin should start with the theme/plugin prefix. Found: "is_product_variable".

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Hook names invoked by a theme/plugin should start with the theme/plugin prefix. Found: "active_plugins".

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print_r() found. Debug code should not normally be used in production.

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trigger_error() found. Debug code should not normally be used in production.

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File operations should use WP_Filesystem methods instead of direct PHP filesystem calls. Found: fclose().

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File operations should use WP_Filesystem methods instead of direct PHP filesystem calls. Found: fopen().

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File operations should use WP_Filesystem methods instead of direct PHP filesystem calls. Found: fwrite().

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File operations should use WP_Filesystem methods instead of direct PHP filesystem calls. Found: is_writable().

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File operations should use WP_Filesystem methods instead of direct PHP filesystem calls. Found: readfile().

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rand() is discouraged. Use the far less predictable wp_rand() instead.

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Resource version not set in call to wp_register_style(). This means new versions of the style may not always be loaded due to browser caching.

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In footer ($in_footer) is not set explicitly wp_enqueue_script; It is recommended to load scripts in the footer. Please set this value to `true` to load it in the footer, or explicitly `false` if it should be loaded in the header.

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PHP file should prevent direct access. Add a check like: if ( ! defined( 'ABSPATH' ) ) exit;