wp_is_development_mode( string $mode ): bool

Source

function wp_is_development_mode( $mode ) {
	$current_mode = wp_get_development_mode();
	if ( empty( $current_mode ) ) {
		return false;
	}

	// Return true if the current mode encompasses all modes.
	if ( 'all' === $current_mode ) {
		return true;
	}

	// Return true if the current mode is the given mode.
	return $mode === $current_mode;
}

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